OSSphere

Notion AI costs per seat. ChatGPT Team costs per seat. Microsoft Copilot costs per seat. Glean costs per seat — and a lot of them. Onyx gives your entire team an AI platform. Self-hostable. MIT licensed. Shipping every 12 hours. onyx-dot-app/onyx — 30,500 GitHub stars, 4,200 forks, 2,110+ releases. The open source application layer for LLMs. Here's what one deployment gives your team: → Agentic RAG — hybrid vector + keyword index with AI agents for information retrieval — top of leaderboard Feb 2026 → Deep Research — multi-step research flow generating in-depth reports — also top of leaderboard Feb 2026 → Custom Agents — build agents with unique instructions, knowledge bases, and actions for your team's workflows → 50+ connectors: Slack, Notion, Confluence, Jira, GitHub, Gmail, Google Drive, Salesforce, Linear, Zendesk, S3, and more → Web search: Serper, Brave, SearXNG, built-in crawler, Firecrawl and Exa all supported → Code execution — sandboxed Python for data analysis, plotting, and file modification in chat → Artifacts — generate documents, charts, downloadable outputs → MCP support — agents interact with any external application → Voice mode — TTS/STT built in → Chrome Extension + embeddable chatbot widget → Desktop app (Tauri) + mobile app in development → Lite mode: under 1GB RAM for quick starts → Full mode: Redis, MinIO, vector index, background workers → curl -fsSL onyx.app/install_onyx.sh | bash CE: MIT licensed — all core features free forever. EE: SSO, RBAC, audit logs, analytics, white-labeling. Discovered on OSSphere : ossphere.dev/onyx-dot-app/o… What's the first connector you'd plug into an Onyx deployment for your team? Drop it below 👇 #Onyx #OpenSource #AIplatform #RAG #BuildInPublic #SelfHosted #LLM

The open source projects that will matter most in 5 years are being built right now by developers nobody has heard of. Not at Google. Not at Meta. Not at a well-funded startup. In a bedroom. On a commute. During lunch breaks. By someone who got frustrated enough to build the thing they needed — and decided to share it. This has always been how it works. Linus built Git on a laptop because he needed version control for the Linux kernel and nothing good existed. Daniel built curl on a weekend because he needed to fetch exchange rates for an IRC bot. D. Richard Hipp built SQLite for a Navy destroyer project and decided the world might find it useful. Max built Homebrew because he wanted to install packages on his Mac without compiling from source. None of them knew what they were building would become infrastructure for millions of developers. They just had a problem. They solved it clearly. They shared the solution. The next curl is being written right now. The next SQLite is someone's side project tonight. The next Git is a frustration that hasn't been committed yet. The only difference between those tools and the thing you've been meaning to build is that they shipped it. ossphere.dev What's the tool you've been meaning to build? Drop it below 👇 #OpenSource #BuildInPublic #IndieHacker #GitHub #ScratchYourOwnItch #OSS #SoftwareHistory

Every web app eventually needs file uploads. Most developers reach for an . Then a user uploads a 2GB video on a slow connection. The browser tab closes. They lose everything. They blame your app. They never come back. @kvz has been solving this problem since before most file upload libraries existed. transloadit/uppy — 30,800 GitHub stars, MIT licensed, updated today. The #1 open source file uploader in the world. Here's what production-grade file uploading actually looks like: → Dashboard — polished drag-and-drop UI out of the box, zero CSS fights, customizable with themes → TUS protocol support — resumable uploads built in, network drops mid-upload and picks up exactly where it left off → S3 multipart upload — direct to your bucket, large files handled → Golden Retriever — restores uploads after a browser crash as if nothing happened, literally like it's nothing → Webcam — capture photos and video directly in the upload UI → Screen capture — record and upload screen recordings in-browser → Image editor — crop, rotate, and annotate before uploading → Remote sources via Companion: Google Drive, Dropbox, Instagram, Facebook, OneDrive, Box, Unsplash, Zoom — pick from anywhere → Thumbnail Generator — image previews before upload completes → Form integration — collects metadata from HTML forms automatically → React, Vue, Svelte, Angular components — framework agnostic → Native iOS, macOS, and Android SDKs — Swift and Kotlin → 2,100+ forks — the upload library the ecosystem depends on The input element is fine for simple cases. For everything else, Uppy exists. Discovered on OSSphere : ossphere.dev/transloadit/up… What's the most painful file upload bug you've ever had to debug in production? Drop it below 👇 #Uppy #OpenSource #FileUpload #WebDev #BuildInPublic #TypeScript #DeveloperTools

Seven weeks in. Here's what we know about the MCP ecosystem that most developers haven't fully processed yet. MCP launched in late 2024. By May 2026 there were 14,000+ servers. That's not a trend. That's infrastructure being built in real time. What the numbers actually mean: → 14,000+ MCP servers in under 18 months — faster adoption than npm packages in the same window after Node.js launched → GitHub MCP: the most starred MCP server, built by GitHub itself → Playwright MCP: 30,000+ stars in under 6 months → Governance moved to Linux Foundation's AAIF — Anthropic, OpenAI, Google, Microsoft, AWS, Cloudflare all co-governing the protocol → Every major IDE supports MCP: VS Code, Cursor, Windsurf, Zed → Every major AI: Claude, GPT, Gemini, local models via Ollama What MCP actually changes: Before: every AI integration was a custom job. Write a function. Wrap an API. Handle auth. Parse the response. Do it 50 more times. After: build once to the MCP spec. Every compliant client uses it. Your GitHub integration works in Claude, Cursor, and VS Code without rewriting a single line. The protocol won before most developers noticed it was a competition. ossphere.dev How many MCP servers do you have connected in your workflow? Drop it below 👇 #MCP #OpenSource #AIAgents #BuildInPublic #ClaudeCode #DeveloperTools #LinuxFoundation

The most starred MCP server in the entire ecosystem. Not a community project. Not a third-party wrapper. GitHub's own official MCP server — built by @github, open sourced under MIT, shipped in early 2025. github/github-mcp-server — the bridge that turns your AI agent into a developer who actually lives in your repo. Here's what connecting this server gives any MCP client: → Repository management: browse code, search files, analyze commits, understand project structure — any repo you can access → Issue automation: create, update, label, triage, and close issues through natural language in your AI workflow → PR management: open PRs, review changes, request reviewers, merge — the full PR lifecycle automated → CI/CD intelligence: monitor Actions workflows, analyze build failures, manage releases, track pipeline health → Code security: review Dependabot alerts, examine security findings, get codebase vulnerability context → Copilot agent tools: assign_copilot_to_issue, create_pull_request_with_copilot, get_copilot_job_status — chain agents with stacked PRs → OAuth scope filtering: auto-hides tools your token can't use — no clutter, no permission errors at runtime → Projects toolset consolidated: 50% token reduction — 23,000 tokens saved per context window compared to prior version → Insiders mode: opt-in to experimental features before GA → Remote server support: VS Code 1.101+, Claude Desktop, Cursor, Windsurf — one line to connect → Docker: pass toolsets via environment variables → MIT licensed, Go-based, actively shipped GitHub MCP + Context7: the essential stack for AI coding agents. Discovered on OSSphere : ossphere.dev/github/github-… What's the first GitHub workflow you'd automate if your AI agent could access your entire repo? Drop it below 👇 #GitHubMCP #OpenSource #MCP #AIAgents #BuildInPublic #ClaudeCode #DeveloperTools

ElevenLabs charges $99/month for their Pro plan. Fish Speech S2 matches or beats it on every objective benchmark — including the Audio Turing Test — and runs locally on 4GB of VRAM. @FishAudio released S2 on March 10, 2026. fishaudio/fish-speech — 30,900 GitHub stars, 2,600 forks, trained on 10 million hours of audio across 80+ languages. The open source TTS that finally closed the gap. Here's what state-of-the-art speech synthesis looks like: → Dual-AR architecture: Slow AR (4B params) predicts semantic codebook, Fast AR (400M) fills 9 residual codebooks per step → GRPO reinforcement learning alignment — the same training technique that made reasoning models better, applied to audio → Emotion via natural language tags — [laugh], [whispers], [angry], [professional broadcast tone] — 15,000+ unique tags, free-form descriptions at word-level position in any text → Zero-shot voice cloning — 10-30 second reference audio, replicates any voice across any script in any language → Multi-speaker in a single generation pass — no separate reference uploads, just <|speaker:i|> token control → Audio Turing Test: 0.515 — beats Seed-TTS by 24%, beats MiniMax-Speech by 33% → Lowest WER on Seed-TTS Eval among all models including closed-source systems (Qwen3-TTS, MiniMax, Seed-TTS) → Under 100ms time-to-first-audio — viable for live agents → SGLang + vLLM integration — continuous batching, paged KV cache, CUDA graph, prefix caching all inherited natively → OpenAI-compatible API — drop-in for any app expecting TTS → Runs on 4GB VRAM — consumer GPU, no cloud required Note: model weights are CC-BY-NC-SA 4.0 — free for personal and research use, commercial use requires Fish Audio licensing. Discovered on OSSphere : ossphere.dev/fishaudio/fish… What's the TTS use case you'd build first if voice quality was no longer the bottleneck? Drop it below 👇 #FishSpeech #OpenSource #TTS #AI #BuildInPublic #VoiceAI #LocalAI

The open source tools you use today were built by developers who had no idea anyone else would use them. curl: Daniel Stenberg needed to transfer currency exchange rates to his IRC bot. He built a tool. It's now on 20 billion devices. Git: Linus Torvalds needed version control for the Linux kernel. He built it in 10 days. Every line of code runs through it now. SQLite: D. Richard Hipp needed an embedded database for a Navy destroyer project. It's now the most deployed database in the world. Homebrew: Max Howell wanted to install packages on his Mac without compiling from source. It's now how most Mac developers install everything. Prettier: James Long wanted consistent code formatting in his own project. It's now the default formatter in millions. Tailwind CSS: Adam Wathan needed a styling system for his own apps. It became the most controversial — then most used — CSS framework in the ecosystem. The pattern never changes. Scratch your own itch. Build something that solves your problem clearly enough that it becomes inevitable. Not the problem you think others have. The exact problem you have right now. The tools that changed the world all started there. What tool did you build for yourself that turned out to be useful for others? Drop it below 👇 #OpenSource #BuildInPublic #IndieHacker #GitHub #ScratchYourOwnItch #OSS #SoftwareHistory

Most documentation site generators have the same workflow. Write Markdown. Run build. Wait. Check output. Redeploy. Update one word. Repeat the whole cycle. No build process. No static HTML generated. No compilation. Just Markdown files and one index.html — the browser does the rest. docsifyjs/docsify — 31,200 GitHub stars, 5,800 forks, MIT licensed. Still magical after all these years. Here's what zero-build documentation actually looks like: → Drop an index.html and your Markdown files anywhere → The browser fetches and renders Markdown at request time — no build step between writing and publishing → GitHub Pages deploy in under 5 minutes — no CI required → Multiple themes built in — swap with one line → Full-text search plugin — no external service, works offline → Custom sidebar — define structure in _sidebar.md → Custom navbar — persistent navigation across all pages → Cover page — animated landing page before your docs → Emoji support — because docs shouldn't be joyless → Fragment marker support — extract content between markers from any Markdown file (latest feature) → 50+ community plugins — syntax highlighting, pagination, tabs, alerts, diagrams, copy code button and more → Server-side rendering available for SEO-sensitive projects → v5 RC in development — major update coming → Used by Microsoft's Web Dev and AI curricula, NHS England, and thousands of open source projects worldwide Write. Commit. Done. No build pipeline between you and your users. Discovered on OSSphere : ossphere.dev/docsifyjs/docs… What's your go-to tool for open source project documentation? Drop it below 👇 #Docsify #OpenSource #Documentation #BuildInPublic #GitHub #DeveloperTools #Markdown

Seven weeks of posting about open source taught us something we didn't expect. The projects that resonated most weren't the ones with the most stars. They were the ones with the best stories. The patterns that actually drive engagement: → One developer solving their own problem — and 40,000 people realizing they had the same one → A company spending $1M on a product that failed, then open sourcing it instead of burying it → A maintainer showing up for 15 years with zero fanfare — just commits, releases, and changelogs → A weekend project that became internet infrastructure → A research paper that became a library that became a default → An abandoned project whose dataset is still training models running in production systems today → A community forking a project when the company changed the license — and the fork becoming more popular than the original Open source isn't just a development model. It's the only place in software where the story of how something was built is as public as the thing itself. The code is the product. The commit history is the memoir. The issue tracker is the community. The README is the pitch. And any developer who wants to build something that matters has all of this available as a template. ossphere.dev What's the open source story that stuck with you most? Drop it below 👇 #OpenSource #BuildInPublic #GitHub #OSS #DeveloperCommunity #SoftwareHistory #IndieHacker

Ethereum processes 15-30 transactions per second. Adding more nodes makes it more secure — but not faster. The throughput ceiling is fixed regardless of network size. @NischalShetty flips this entirely. Every validator node added to Shardeum increases transaction throughput. The network scales linearly as it grows. 31,900 GitHub stars. MIT licensed. EVM-compatible. The autoscaling L1 blockchain that gets faster as it decentralizes. Here's the architecture that makes it work: → Dynamic state sharding — the network partitions state across validators, each shard processing transactions in parallel → Transaction-level consensus — consensus happens per transaction, not per block — enables parallel processing at scale → Combined proof-of-stake and proof-of-quorum — security without sacrificing throughput at validator scale → Auto-rotation mechanism — validators rotate automatically, preventing any group from gaining long-term influence → EVM-compatible — every existing Ethereum dApp and smart contract deploys without modification → Community-run validators — permissionless, location-agnostic, anyone can participate regardless of background → Local dev network: run 10 nodes on your machine for testing → MetaMask-compatible JSON-RPC server out of the box → dApp boilerplate available — NFT minting, DeFi, RPC examples → 689 forks, MIT licensed, active development through 2026 The blockchain trilemma says you can have two of three: scalability, security, or decentralization. Shardeum's architecture claims all three. Discovered on OSSphere : ossphere.dev/shardeum/shard… What's the scalability bottleneck you've hit building on existing blockchains? Drop it below 👇 #Shardeum #OpenSource #Blockchain #Web3 #BuildInPublic #Ethereum #Layer1

@kidtsang Exactly. The best tools don't just reduce complexity—they hide it behind a great developer experience. When the first hour feels effortless, adoption takes care of itself.

@ossphere_dev I love this take! It highlights a crucial point—great tools don’t just simplify tasks; they eliminate friction. It's about building a seamless experience. Imagine if every tech solution prioritized user ease like this. That's where true innovation lies!

The open source tools winning in 2026 have one thing in common. They made a hard problem feel easy on day one. Not by dumbing it down. By doing the hard work so you don't have to. Ollama: running a local LLM should be one command. Tailscale: connecting two machines should be 30 seconds. Dokploy: deploying your app should be one curl command. Supabase: your backend should be ready in 2 minutes. LiteLLM: switching LLM providers should be zero code changes. Flowise: building an AI agent should be drag and drop. shadcn/ui: adding a component should be one CLI command. Chatwoot: setting up customer support should take an afternoon. The pattern is always the same. Someone took a problem that used to require days of setup, deep expertise, and significant infrastructure knowledge — and wrapped it in an experience so clean that a developer could go from zero to working in under an hour. That's not just good engineering. That's empathy for the developer on the other end. The best open source projects understand that your time is the most valuable thing you're spending when you adopt them. ossphere.dev What's the OSS tool that made a previously painful problem feel embarrassingly easy? Drop it below 👇 #OpenSource #DeveloperExperience #BuildInPublic #OSS #DeveloperTools #GitHub #SoftwareEngineering

Most LLM courses teach you how to use ChatGPT. Happy-LLM teaches you how to build one. China's largest open source AI education community — published the systematic LLM tutorial that turns curious developers into people who actually understand what's happening inside the model. datawhalechina/happy-llm — 31,500 GitHub stars, 3,000 forks, MIT licensed. Free PDF. Free PPT slides. Free forever. Here's what 7 chapters actually build toward: Foundations (Ch 1-4): → Ch 1: NLP basics and development — context before the transformer → Ch 2: Transformer architecture — full principles and code implementation from scratch, the most important chapter in AI → Ch 3: Pre-trained language models — Encoder-Only, Encoder-Decoder, Decoder-Only architectures with real model comparisons → Ch 4: LLMs in depth — characteristics, emergent capabilities, and the complete training pipeline explained Practical Applications (Ch 5-7): → Ch 5: Build an LLM from scratch in PyTorch — pre-training and supervised fine-tuning, every line of code yours → Ch 6: Transformers framework — efficient, production-grade LLM training without reinventing the infrastructure → Ch 7: LLM applications — evaluation, RAG from scratch, and agent architecture implemented and explained Extra: community LLM blog — contributors sharing real insights Suitable for students, researchers, and LLM enthusiasts. Python and basic deep learning knowledge recommended. Discovered on OSSphere : ossphere.dev/datawhalechina… What's the LLM concept you finally understood only after reading the source code? Drop it below 👇 #HappyLLM #OpenSource #LLM #AI #BuildInPublic #MachineLearning #Transformer

The most honest thing about open source is the commit history. Not the README. Not the marketing site. Not the star count. The commit history. It tells you everything the project doesn't say out loud: → When did the team actually ship under pressure? → Who shows up consistently — and who disappeared after the launch? → Where did the architecture change dramatically and why? → Which files get touched in every release? That's the core. → Which files have never been touched since they were written? → How does the team handle a breaking change — carefully or fast? → What does a "fix" commit message hide vs explain? → When did the project nearly die — and what brought it back? The commit history is a diary of every decision the team made under real constraints. It's where you find the architectural regrets. The shortcuts taken at 2AM before a deadline. The refactors that made everything cleaner. The single commit that saved the whole project. Most developers read the docs and the README. The ones who read the git log understand the project in a way that documentation never captures. git log --oneline --graph That's five minutes that changes how you think about any codebase. ossphere.dev What's the most interesting thing you've ever found in a commit history? Drop it below 👇 #OpenSource #Git #SoftwareCraft #BuildInPublic #CodeReading #GitHub #SoftwareEngineering

GitHub's interface was designed for everyone. Refined GitHub was designed for developers who live there. @fregante has been shipping tiny, surgical improvements to the GitHub UI for years — each one so obvious once you have it that you can never use GitHub without it again. refined-github/refined-github — 26,000+ GitHub stars, MIT licensed, and the browser extension every serious GitHub user should have installed before they open their next PR. Here's a fraction of what 100+ improvements actually feels like: → CI status icon next to every repo name — pass/fail at a glance → Button to open ALL unread notifications at once — one click → Keyboard shortcut to star/unstar any repo: g s → Download entire folder button — without cloning the whole repo → Edit files directly from the file list — no extra navigation → Small avatar next to username in every issue and PR list → Link back to the PR that triggered the workflow — always → "Delete fork" button on 0-star repos — two clicks, done → Compact notification list — less noise, same information → Monospace font in commit messages and descriptions — finally → Warning when you create a PR from the default branch → Warning when you uncheck "Allow edits from maintainers" → Keyboard shortcuts visible in the ? help modal → Points PR notifications to Conversation tab, not commits → Dims the site footer — subtle but you'll notice immediately → Works on Chrome, Firefox, and Safari Every feature is the kind of thing GitHub should have built. They didn't. @fregante did. Discovered on OSSphere : ossphere.dev/refined-github… What's the GitHub UI improvement you wish existed but doesn't? Drop it below 👇 #RefinedGitHub #OpenSource #GitHub #DeveloperTools #BuildInPublic #BrowserExtension #Productivity

Open source changed something for non-developers that most developers haven't noticed yet. It made professional-grade tools free. Not "free trial." Not "free tier with limits." Actually free. Forever. For everyone. Here's what a designer, architect, scientist, or educator can access for zero dollars in 2026: → FreeCAD — professional parametric 3D CAD → Blender — industry-grade 3D modeling and animation → GIMP — photo editing without a Creative Cloud subscription → Inkscape — professional vector graphics → Kdenlive / DaVinci Resolve (free tier) — video editing → LibreOffice — full office suite, all formats → Audacity — professional audio editing → Krita — digital painting for artists and illustrators → OpenSCAD — programmable 3D modeling for engineers → GNU Octave — MATLAB alternative for numerical computing → R + RStudio — statistical analysis used in peer-reviewed research → QGIS — professional geographic information system These tools are not "good enough for free." Many of them are used in production at companies, universities, film studios, and research institutions worldwide. The only thing standing between a student and professional-grade tools is an internet connection and a download. ossphere.dev What open source tool gave you access to something you couldn't have afforded otherwise? Drop it below 👇 #OpenSource #FreeTools #BuildInPublic #Education #Blender #FreeCAD #GIMP

SolidWorks: $4,000/year. Autodesk Fusion: $679/year. CATIA: enterprise pricing — call for a quote. FreeCAD: $0. Free. Forever. And after more than 20 years of development — it finally shipped v1.0 in November 2024. FreeCAD/FreeCAD — 31,700 GitHub stars, 5,600 forks, LGPL-2.1, shipping weekly builds to this day. The open source parametric 3D modeler that never quit. Here's what 20+ years of community building gave the world: → Parametric modeling — go back into your model history and change any parameter — everything updates automatically → Part Design workbench — solid modeling with full constraint- based sketcher, pockets, pads, fillets, chamfers → BIM workbench — architecture and building information modeling with IFC import and export → CAM workbench — computer-aided manufacturing with G-code generation for CNC machines → FEM workbench — finite element analysis built in → TechDraw — production-ready technical drawings and documentation → Assembly workbench — multi-body assembly with constraints → Python scripting throughout — automate anything → Addon Manager — hundreds of community workbenches and macros → STEP, IGES, STL, SVG, DXF, OBJ, IFC — all supported → Windows, macOS, Linux — truly cross-platform → Weekly development builds shipping every Tuesday Ondsel, a startup that tried to commercialize FreeCAD, shut down in 2024 — and contributed all their improvements back to the project. That's open source doing exactly what it's supposed to do. Discovered on OSSphere : ossphere.dev/FreeCAD/FreeCAD Have you ever used open source CAD for a real project? Drop it below 👇 #FreeCAD #OpenSource #CAD #Engineering #BuildInPublic #Manufacturing #3DModeling

How many browser tabs do you keep bookmarked just to format JSON? Decode a JWT. Generate a UUID. Test a regex. Convert Base64. Check a hash. Preview Markdown. Compare two strings. Count them. I'll wait. @VelerSoftware counted them all — then built DevToys so none of them need to exist anymore. DevToys-app/DevToys — 32,000 GitHub stars, 1,800 forks, MIT licensed. A Swiss Army knife for developers. No internet required. No untrustworthy websites. Just your machine. Here's everything in one offline desktop app: → Converters: JSON to YAML, Date, Number bases → Encoders/Decoders: HTML, URLs, Base64, GZip, JWT, QR Code → Formatters: JSON, SQL, XML — paste and clean instantly → Generators: Hash & Checksum, Lorem Ipsum, Password → Graphics: PNG/JPEG Compressor, Color Blindness Simulator → Testers: JSONPath, RegEx, XML — test patterns without a project → Text Utilities: Markdown Preview, Text Comparer, Analyzer → Smart Detection — copies something to clipboard, DevToys automatically selects the right tool for the data → Extension Manager: 44+ community extensions including JSONSchema Validator, XPath Tester, ULID Generator, UUID Formatter, C# to TypeScript, Msgpack, and more → Windows, macOS, Linux — cross-platform since v2 → Everything runs locally — your data never leaves the machine → MIT licensed — install via winget, Homebrew, or direct download The best developer tool is the one that's already open when you need it. Discovered on OSSphere : ossphere.dev/DevToys-app/De… Which browser tab would you close forever if DevToys replaced it? Drop it below 👇 #DevToys #OpenSource #DeveloperTools #Productivity #BuildInPublic #Windows #macOS

The open source projects that matter most to your career are rarely the ones you build. They're the ones you understand deeply enough to extend, debug, and explain to someone else. Here's the difference between using a tool and knowing it: Using it: → You can follow the quickstart → You can copy-paste the example → You can get it working for the happy path → You open a Stack Overflow question when it breaks Knowing it: → You understand why the API is designed the way it is → You can predict what will break before it breaks → You can read the error and know exactly which file to look at → You can extend it without fighting the architecture → You can explain the tradeoffs the authors made → You can write a PR that the maintainers actually merge The gap between using and knowing is not time. It's one thing: reading the source code with genuine curiosity. Most developers stop at the README. The ones who go further — into the tests, the internals, the commit history, the design decisions — compound differently. Pick one tool in your stack this week. Not to learn something. Just to understand it better. Open the src folder. Read for 30 minutes. ossphere.dev What tool in your stack do you understand most deeply? Drop it below 👇 #OpenSource #SoftwareCraft #BuildInPublic #GitHub #DeveloperGrowth #CodeReading #SoftwareEngineering

Buffer charges per channel. Hootsuite starts at $199/user/month. Hypefury is $49/month for the features you actually need. The developer who built Novu to 20,000+ stars said: we can do better. @wickedguro shipped Postiz — the open source, agentic social media scheduler that posts to 28+ platforms. 32,100 GitHub stars. 197 releases. Ships every 4 days. Self-hostable. AI-native. AGPL-3.0. Here's what one dashboard gives you: → 28+ platforms: X, LinkedIn, Instagram, Facebook, Threads, YouTube, TikTok, Pinterest, Reddit, Discord, Slack, Mastodon, Bluesky, Farcaster, Nostr, Telegram, Medium, Dev.to and more → AI content generation — OpenAI + CopilotKit integrated → Postiz Agent CLI — connects to Claude, automates your entire scheduling workflow from the terminal → MCP server — any MCP-compatible AI agent can schedule posts → Temporal.io backend — durable scheduling with automatic retries → Team collaboration — role-based access, org workspaces, multi-tenant architecture for agencies → Public REST API — full programmatic access to everything → Node.js SDK (@postiz/node) + n8n node + Make.com + Zapier → Content calendar with visual scheduling → Analytics per post and per channel → Docker Compose self-host: running in minutes Buffer has 11 channels. Postiz has 28+. Buffer has no public API on free plans. Postiz always does. Discovered on OSSphere : ossphere.dev/gitroomhq/post… How many social platforms are you currently managing manually every week? Drop it below 👇 #Postiz #OpenSource #SocialMedia #BuildInPublic #SelfHosted #AI #IndieHacker

The way developers learn has fundamentally changed. Five years ago the path was: buy a course, watch videos, build the tutorial project, get the certificate. Today the fastest learners are doing something different. They're learning by building with real tools, in public, with real feedback from real people. The open source contribution loop is the best learning system ever built for software developers: → Find a repo doing something you don't fully understand → Read the source until you do → Find something small to improve — a test, a doc, a bug → Open a PR and get feedback from people who know it deeply → Ship the change and immediately see it in production → Repeat with a harder problem Each cycle makes you better at reading unfamiliar code, writing clearly for other developers, understanding tradeoffs, and shipping things that actually work in real systems. No course gives you that loop. No bootcamp simulates those feedback cycles. No tutorial puts your code into software that real people use. The best developers in 2026 aren't the ones with the most certifications. They're the ones who have shipped real code into real open source projects and lived with the consequences. ossphere.dev What's the contribution you learned the most from? Drop it below 👇 #OpenSource #LearningToCode #BuildInPublic #ContributeToOSS #GitHub #DeveloperGrowth #SoftwareEngineering