40 billion sats. 400+ grantees. 40+ countries.

OpenSats

Map - OpenSats

Countries where OpenSats has awarded grants.

Heartbeat now supports GitLab and plain git repos. Click the heartbeat icon on any project page to see the latest development activity. Example:

OpenSats

WireGuard - funded by OpenSats

A lean VPN protocol and software suite for secure networking across servers, phones, and desktops.

OpenSats

heartbeat · live bitcoin & nostr open-source activity feed

Live feed of commits, pull requests, issues, and releases across the open-source bitcoin and nostr projects funded by OpenSats.

OpenSats has supported many projects for multiple years. Most projects accept donations directly, and we encourage everyone to support them whenever possible.

OpenSats

Project Showcase - OpenSats

A showcase of free and open-source Bitcoin and Nostr projects supported by OpenSats.

Meet @Cody, the main cat behind Jumble.

OpenSats

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

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

Lots of building blocks, lots of progress. A closer look at some of the nostr libraries our grantees have been working on.

OpenSats

The Libraries Behind Open Communication

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

In our latest newsletter we said that we want to "tell the stories of the people who are working on freedom tech." Our spotlight series aims to do just that. Here's the first installment:

OpenSats

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

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

New wave of nostr grants: 44Billion, NosCall, Routstr, Wisp, and Zapstore.

OpenSats

Seventeenth Wave of Nostr Grants

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

We just published the first issue of "Sats Well Spent" - a quarterly newsletter from OpenSats. You can read it in full here:

OpenSats

Sats Well Spent — 2026-Q1: Cypherpunks Write Code

A quarterly look at the free and open-source projects OpenSats supports, the builders behind them, and the impact your donations make possible.