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@bitbybit-ar

BitByBit

Custom software, bit by bit: webs, apps, browser extensions and AI automation for businesses, plus open source tools on Bitcoin, Lightning and Nostr.
README.md
BitByBit: custom software, bit by bit Apps, browser extensions and automation. Open source on Bitcoin, Lightning and Nostr. Built in public, one bit at a time. Made in Argentina.

bitbybit.com.ar Bitcoin Lightning Nostr

👋 Who we are

We're two siblings from Argentina building apps, browser extensions and automation, and shipping open source on Bitcoin, Lightning and Nostr.

⚡ Open source

We build in public. Fork it, run it, open an issue.

Project What it is Links
💬 Obelisk Discord-style group chat that runs directly on Nostr relays. No backend, no accounts. Live · Code
🎓 CURSATS Lightning checkout for teachers: buyers pay in sats, sellers get pesos or sats. Live · Code
🏃 BitByBit Run Multiplayer browser racing game. Log in with Nostr, the winner gets zapped. Live · Code
🏆 BitByBit Arena Public challenges on Nostr, with NIP-58 badges that travel across clients. Live · Code
🌱 BitByBit Habits Family habit tracker: kids complete habits and earn real sats over Lightning. Live · Code

🤝 We also contribute to Nostr WoT, a Nostr browser extension with signing, an encrypted vault and a WebLN wallet, and Mapping Bitcoin, an open directory of places that accept Bitcoin.

🥇🥇 Two 1st places at La Crypta's hackathons 2026.

🚀 Work with us

We also build for businesses: web apps, browser extensions, AI-powered automation, SEO and ongoing support. Our own products include 🎹 teclas.ar, a platform for music teachers.

Have something in mind? Start at bitbybit.com.ar.

👥 Team

Analía Acosta, product and technology Fabricio Acosta, finance and growth

Popular repositories Loading

  1. bitbybit-habits bitbybit-habits Public

    Kids earn real Bitcoin by building real habits.

    TypeScript 4

  2. bitbybit-cursats bitbybit-cursats Public

    Pay for classes, workshops, and study material with your Lightning wallet. The teacher chooses how to get paid: sats to their wallet, or pesos to their CBU. Lightning checkout for teachers and educ…

    TypeScript 2 1

  3. bitbybit-arena bitbybit-arena Public

    Nostr-native challenge client where users create, join, and compete in challenges — earning badges and sats via Lightning Network. Part of the BitByBit ecosystem.

    TypeScript 1 1

  4. bitbybit-run bitbybit-run Public

    Up to 8 runners line up on an athletics track and sprint for the finish line. Fuel up at the stations along the way to keep your pace — but choose wisely, because not everything on the track is goo…

    TypeScript 1 1

  5. bitbybit-home bitbybit-home Public

    Source for BitByBit landing. A small, fully static, SEO-first landing page introducing BitByBit and pointing visitors to our projects.

    TypeScript

  6. .github .github Public

    BitByBit organization profile

Repositories

Showing 6 of 6 repositories

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