OpenSats - Nostr Hypermedia

OpenSats 3 weeks ago

The last Pathshalas closed in the 1960s. @Raj wanted to do the same thing for bitcoin. Bitcoin pathshala. Bitshala.

OpenSats

Rajarshi Maitra Found a Point of Light in the Dark Cave, Quit His Job, and Built Bitshala

Rajarshi Maitra walked away from a stable engineering career to build Bitshala, India's school for Bitcoin developers.

OpenSats 3 weeks ago

"Bitcoin changed the way I view the world, my values, and a big part of my personality. I strongly believe it changed me for the better." — @Egge

OpenSats

Egge’s Bitcoin Journey: From Marketer to Cashu Maintainer

Bitcoin took Egge off the predictable path, leading him towards a brilliant career in FOSS.

OpenSats 3 weeks ago

OpenSats is pleased to announce long-term support for Calvin Kim in recognition of his ongoing work on btcd and utreexo.

OpenSats

Long-Term Support For Calvin Kim

OpenSats welcomes Calvin Kim as an LTS grantee.

OpenSats 3 weeks ago

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

OpenSats

Map - OpenSats

Countries where OpenSats has awarded grants.

OpenSats 1 month ago

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 1 month ago

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.

OpenSats 1 month ago

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.

OpenSats 1 month ago

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.

OpenSats 1 month ago

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.

OpenSats 2 months ago

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.

OpenSats 2 months ago

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.

OpenSats 2 months ago

Announcing heartbeat:

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 2 months ago

Twice a year we plan to highlight a focus area where we would like to see strong proposals. This spring, said focus area is base layer privacy.

OpenSats

Call for Applications

OpenSats is seeking grant proposals that advance base layer privacy.

OpenSats 3 months ago

OpenSats remains committed to funding builders who keep Bitcoin's hardware infrastructure open, auditable, and accessible.

OpenSats

Open Hardware for Open Money

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

OpenSats 3 months ago

New wave of nostr grants: Amethyst Desktop, Nostr Mail, Nostrord, and Nurunuru. Onward 🫡

OpenSats

Sixteenth Wave of Nostr Grants

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

OpenSats 3 months ago

JoinMarket, rawBit, Specter DIY, and six grant renewals for projects we've funded in the past. Read more about this most recent wave of OpenSats grants on our blog:

OpenSats

Seventeenth Wave of Bitcoin Grants

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

OpenSats 3 months ago

Back in 2020, @fiatjaf described relays as deliberately simple and dumb. Are they still? We are taking a closer look at some of the relay projects we funded and how they evolved.