OpenSats

Raj launched Bitshala in January 2023. Three years on, close to 1500 people have completed at least one cohort across ten Indian cities, and ten of them now work full-time on Bitcoin. opensats.org/blog/developer…

“I am a freedom-loving open-source developer, a Bitcoiner, a husband, and most importantly, a father to an amazing little girl.” opensats.org/blog/developer…

OpenSats is pleased to announce long-term support for Calvin Kim in recognition of his ongoing work on btcd and utreexo. His work provides users a robust alternative to bitcoin core and helps make nodes easier to run. opensats.org/blog/calvin-ki…

SHENZHEN, China — Cody Tseng is folded into the evening rush the way everyone else is in this city, absorbed by a current of twenty million people, one more developer heading home through streets that never fully dim. opensats.org/blog/developer…

THE LIBRARIES BEHIND OPEN COMMUNICATION These libraries let new projects spend less time rebuilding the same infrastructure and more time shaping the experience they want to offer. opensats.org/blog/the-libra…

Made in Africa: Kurt and the Open-Source Bitcoin Miner That Anyone Can Make opensats.org/blog/developer…

SEVENTEENTH WAVE OF NOSTR GRANTS Projects in this round extend nostr into app discovery, private calls, software distribution, client onboarding, and access to AI tools. opensats.org/blog/seventeen…

SATS WELL SPENT A quarterly look at the free and open-source projects OpenSats supports, the builders behind them, and the impact your donations make possible. opensats.org/newsletter/202…

CALL FOR APPLICATIONS Twice a year, in the spring and fall, we plan to highlight a focus area where we would like to see strong proposals. This spring, the focus is on privacy at Bitcoin's base layer. opensats.org/blog/call-for-…

OPEN HARDWARE FOR OPEN MONEY OpenSats provides support to builders who create hardware as free and open source infrastructure. Projects live in public, with schematics, firmware, manufacturing files, and documentation available for anyone. opensats.org/blog/open-hard…

SIXTEENTH WAVE OF NOSTR GRANTS first time grants: - Amethyst Desktop - Nostr Mail - Nostrord - Nurunuru grant renewal: - HAMSTR opensats.org/blog/sixteenth…

SEVENTEENTH WAVE OF BITCOIN GRANTS Three first time grants: •JoinMarket NG •rawBit •Specter DIY Six grant renewals: •Bitcoin Dev Launchpad •Bitcoin Jungle •Bitcoin Safe •Bitshala •Odudex •Payjoin opensats.org/blog/seventeen…

ADVANCEMENTS IN NOSTR RELAYS OpenSats has funded relay-focused projects through The Nostr Fund since 2023, supporting developers who are building the software that runs relays and the frameworks that help others build new ones. opensats.org/blog/advanceme…

5 GRANTS TO STRENGTHEN BITCOIN DEVELOPMENT This round focuses on improving the long-term maintainability, safety, and privacy of the project, from build system modernization and release testing coordination to peer-to-peer network security research. opensats.org/blog/five-gran…

OPENSATS RECEIVES DONATION FROM @BITWISE BITCOIN ETF OpenSats is grateful for recurring support from Bitwise as part of their pledge to donate 10% of profit. These funds will be sent to open source contributors globally using bitcoin. We take no cut. opensats.org/blog/opensats-…

FIFTEENTH WAVE OF NOSTR GRANTS This wave provides funding for work on agentic AI tooling, decentralized video infrastructure, and community-run internet access, all built to utilize nostr for identity, discovery, and communication. opensats.org/blog/fifteenth…

SIXTEENTH WAVE OF BITCOIN GRANTS The projects in this wave include self-custodial wallets, DIY signing hardware and installer software, alternative node and mining software, and education programs that help new developers become contributors. opensats.org/blog/sixteenth…

OpenSats 2025 Year in Review: opensats.org/blog/2025-year…

@BtcpayServer the feeling is mutual 🧡

@OpenSats Appreciate you 💚

OpenSats has sent $32,434,939 worth of bitcoin to 371 open source contributors in 40+ countries.

@balkanhodl liar

@OpenSats Grifters trying to turn Bitcoin into a shitcoin. FU odell