OpenSats is funding over a dozen open-source projects in the nostr ecosystem.

First Wave of Nostr Grants

OpenSats is launching long-term grants to support Bitcoin Core contributors and similar load-bearing internet people.

Long-Term Support Program for Bitcoin Core Developers

OpenSats receives $10 million from #startsmall for bitcoin, nostr, and related FOSS development.

Additional Funding from #startsmall

Cody Tseng is the OpenSats grantee behind Jumble, a Nostr client for the open social web.

Cody Tseng Is Building a Social App That Follows Your Heart, Not an Algorithm

An impact report from the front-lines of nostr developer libraries.

The Libraries Behind Open Communication

Meet Kurt Unger, the OpenSats grantee who's building Bitcoin mining hardware that's understandable, repairable, and open.

Made in Africa: Kurt and the Open-Source Bitcoin Miner That Anyone Can Make

OpenSats is funding five open-source projects advancing the nostr ecosystem.

Seventeenth Wave of Nostr Grants

OpenSats is seeking grant proposals that advance base layer privacy.

Call for Applications

An impact report from the front-lines of bitcoin hardware development.

Open Hardware for Open Money

Sixteenth Wave of Nostr Grants

OpenSats is funding nine more open-source projects advancing the Bitcoin ecosystem.

Seventeenth Wave of Bitcoin Grants

An impact report from the front-lines of nostr relay development.

Advancements in Nostr Relays

A new round of grants supporting Bitcoin Core contributors, from build system modernization to P2P privacy research.

5 Grants to Strengthen Bitcoin Development

OpenSats receives a recurring donation from Bitwise for open-source Bitcoin development.

OpenSats Receives Donation from Bitwise Bitcoin ETF

OpenSats is funding three more open-source projects advancing the nostr ecosystem.

Fifteenth Wave of Nostr Grants

OpenSats is funding 17 more open-source projects advancing the Bitcoin ecosystem.

Sixteenth Wave of Bitcoin Grants

Supporting Bitcoin through its teenage years: sending $1M/month to hundreds of grantees across 40+ countries.

OpenSats' 2025 Year in Review

OpenSats secures a $116,000 grant from HRF’s Bitcoin Development Fund for our Operations Budget.

OpenSats Receives Funding from the Human Rights Foundation

OpenSats welcomes Brad Stachurski as an LTS grantee

Long-Term Support For Brad Stachurski

OpenSats is funding thirteen more open-source projects advancing the Bitcoin ecosystem.

Fifteenth Wave of Bitcoin Grants

OpenSats is funding five more open-source projects advancing the nostr ecosystem.

Fourteenth Wave of Nostr Grants

OpenSats welcomes Andrew Toth as an LTS grantee.

Long-Term Support For Andrew Toth

An impact report from the front-lines of nostr client development.

Advancements in Nostr Clients

StarkWare and Starknet Foundation are supporting OpenSats with a $400,000 donation.

OpenSats Receives $400,000 Donation From StarkWare and Starknet Foundation

OpenSats is funding nine more open-source projects advancing the nostr ecosystem.

Thirteenth Wave of Nostr Grants

OpenSats receives a recurring donation commitment from Steak 'n Shake.

OpenSats Receives Donation Commitment from Steak 'n Shake

An impact report from the front-lines of Bitcoin and Lightning wallet development.

Advancements in Bitcoin and Lightning Wallets

Tether is supporting OpenSats with a $250,000 donation.

OpenSats Receives $250,000 Donation From Tether

OpenSats is giving ten more grants to open-source projects advancing the Bitcoin ecosystem.

Fourteenth Wave of Bitcoin Grants

An impact report from the front-lines of ecash development.

Advancements in Ecash

OpenSats is funding eight more open-source projects advancing the Bitcoin ecosystem.

Thirteenth Wave of Bitcoin Grants

An impact report from the front-lines of Bitcoin developer libraries.

Advancements in Developer Libraries

OpenSats is funding twelve more open-source projects advancing the Bitcoin ecosystem.

Twelfth Wave of Bitcoin Grants

Twelfth Wave of Nostr Grants

An impact report from the front-lines of Bitcoin developer training.

Advancements in Developer Training

OpenSats welcomes SnowCait as an LTS Grantee.

Long-Term Support For SnowCait

The Reynolds Foundation is supporting OpenSats with a $2,000,000 donation.

OpenSats Receives $2,000,000 Donation From The Reynolds Foundation

OpenSats is funding six more open-source projects advancing the Bitcoin ecosystem.

Eleventh Wave of Bitcoin Grants

An impact report from the front-lines of Lightning development.

Advancements in Lightning Infrastructure

Eleventh Wave of Nostr Grants

OpenSats is funding three more projects in our education initiative.

Fourth Wave of Education Grants

OpenSats is funding seven more open-source projects advancing the nostr ecosystem.

Tenth Wave of Nostr Grants

OpenSats fosters a global network of nonprofits supporting open-source Bitcoin and nostr development.

Let a Thousand Flowers Bloom

Tenth Wave of Bitcoin Grants

An impact report from the front-lines of bitcoin development.

Advancements in On-Chain Privacy

OpenSats secures a $250,000 grant from HRF's Bitcoin Development Fund for our Operations Budget.

Additional Operational Budget from HRF

OpenSats is funding four more open-source projects in the Bitcoin ecosystem.

Ninth Wave of Bitcoin Grants

OpenSats announces a new round of grants focused on Bitcoin Core development.

Additional Grants for Bitcoin Core Contributors

365 days. Two funds. 200+ grants. Billions of sats.

OpenSats' 2024 Year in Review

OpenSats is funding five more open-source projects in the nostr ecosystem.

Ninth Wave of Nostr Grants

Renewing our support for projects advancing Bitcoin's future.

Renewing Our Commitment to Bitcoin

Now is not the time to dilly-dally. Now is the time to double down.

Doubling Down on Nostr 

OpenSats is funding four more projects in our education initiative.

Third Wave of Education Grants

OpenSats welcomes m1sterc001guy as an LTS Grantee.

Long-Term Support For m1sterc001guy 

Eighth Wave of Nostr Grants

OpenSats is funding 4 more open-source projects in the Bitcoin ecosystem.

Eighth Wave of Bitcoin Grants

OpenSats Welcomes Greenart7c3 as an LTS Grantee.

Long-Term Support For Greenart7c3

OpenSats welcomes Dusty Daemon as an LTS Grantee.

Long-Term Support For Dusty Daemon

OpenSats is funding six more projects in our education initiative.

Second Wave of Education Grants

OpenSats Welcomes Jon Atack as an LTS Grantee.

Long-Term Support For Jon Atack

OpenSats is funding 8 more open-source projects in the bitcoin ecosystem.

Seventh Wave of Bitcoin Grants

Seventh Wave of Nostr Grants

OpenSats Welcomes Jason Donenfeld as an LTS Grantee.

Long-Term Support For Jason Donenfeld

OpenSats Welcomes Mike Dilger as an LTS Grantee.

Long-Term Support For Mike Dilger

OpenSats Welcomes Alex Gleason as an LTS Grantee.

Long-Term Support For Alex Gleason

OpenSats is supporting the Tor Project's efforts to enhance privacy on the Web.

Strengthening Network Privacy with Tor

OpenSats Welcomes Daniele as an LTS Grantee.

Long-Term Support For Daniele

OpenSats Welcomes Vitor Pamplona as an LTS Grantee.

Long-Term Support For Vitor Pamplona

Caring For Core

OpenSats receives recurring donation commitment from Build Asset Management for open-source Bitcoin development.

OpenSats Receives Donation Commitment from Build Asset Management

OpenSats is funding nine more open-source projects in the nostr ecosystem.

Sixth Wave of Nostr Grants

OpenSats Welcomes Kieran as an LTS Grantee.

Long-Term Support For Kieran Harkin

OpenSats Welcomes fiatjaf as an LTS Grantee.

Long-Term Support For fiatjaf

OpenSats is funding 7 more open-source projects in the bitcoin ecosystem.

Sixth Wave of Bitcoin Grants

OpenSats Welcomes Hodlbod as an LTS Grantee.

Long-Term Support For Hodlbod

OpenSats is funding eleven more open-source projects in the nostr ecosystem.

Fifth Wave of Nostr Grants

We are proud to announce the OpenSats Education Initiative, spearheaded by Dread.

Announcing the OpenSats Education Initiative

OpenSats Welcomes Yuki as an LTS Grantee.

Long-Term Support For Yuki Kishimoto

OpenSats is funding 10 more open-source projects in the bitcoin ecosystem.

Fifth Wave of Bitcoin Grants

OpenSats Welcomes @jb55 as an LTS Grantee.

Long-Term Support For William Casarin

OpenSats Welcomes Calle as an LTS Grantee.

Long-Term Support For Calle

A brief update on what the Nostr Designers have been up to.

Highlights of #nostrdesign

OpenSats receives $21 million from #startsmall for bitcoin, nostr, and related FOSS development.

OpenSats Welcomes Shashwat Vangani as an LTS Grantee.

Long-Term Support For Shashwat Vangani

The Reynolds Foundation is supporting OpenSats with a generous $1,000,000 donation.

OpenSats Receives $1,000,000 Donation From The Reynolds Foundation

OpenSats Welcomes @hzrd149 as an LTS Grantee.

Long-Term Support For hzrd149

OpenSats Welcomes Stuart Bowman as an LTS Grantee.

Long-Term Support For Stuart Bowman

OpenSats Welcomes PabloF7z as an LTS Grantee.

Long-Term Support For PabloF7z

OpenSats Welcomes Bruno Garcia as an LTS Grantee.

Long-Term Support For Bruno Garcia

OpenSats is offering long-term support for nostr developers.

Long-term Support for Nostr Developers

Fourth Wave of Bitcoin Grants

OpenSats Welcomes 0xB10C as an LTS Grantee.

Long-Term Support For 0xB10C

OpenSats Welcomes René Pickhardt as an LTS Grantee.

Long-Term Support For René Pickhardt

Bitwise will donate 10% of Bitwise Bitcoin ETF (ticker: BITB) profits to bitcoin open-source development.

OpenSats to Receive Recurring Donations from Bitwise Bitcoin ETF Profits

365 days. Two funds. 90 grants. Billions of sats.

OpenSats' 2023 Year in Review

OpenSats Welcomes Tobin Harding as an LTS Grantee.

Long-Term Support For Tobin Harding

OpenSats is funding seven more open-source projects in the nostr ecosystem.

Fourth Wave of Nostr Grants

OpenSats is funding 10 more open-source projects in the bitcoin space.

Third Wave of Bitcoin Grants

OpenSats Welcomes Will Clark as an LTS Grantee.

Long-Term Support For Will Clark

OpenSats Welcomes Furszy as an LTS Grantee.

Long-Term Support For Furszy

OpenSats Welcomes Matt Morehouse as an LTS Grantee.

Long-Term Support For Matt Morehouse

The Nostr Design initiative grows and has its first results to show.

Niel Liesmons Joins OpenSats Design

OpenSats Welcomes Gleb Naumenko as an LTS Grantee.