Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Curated coding interview preparation materials for busy software engineers

Repository for the Bitcoiner.Guide website

Database-free, self-hosted Bitcoin explorer, via RPC to Bitcoin Core.

Bitcoin–Monero Cross-chain Atomic Swap

End-to-end bitcoin wallet backing server for powering Samourai Wallet and other light wallets

🔥🔥🔥 An open source alternative to Mint, YNAB, and more. Stay on budget and build wealth without sacrificing your privacy.

Bitcoin–Monero Cross-chain Atomic Swap

Midnight is a Jekyll theme for GitHub Pages

a truly censorship-resistant alternative to Twitter that has a chance of working

Firmware for Passport v1

A desktop GUI for Bitcoin Core optimised to work with hardware wallets

Desktop Bitcoin Wallet focused on security and privacy. Free and open source.

A mobile Bitcoin wallet fit for the gods. ⚡️ Est. 563345

Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.

Bitcoin Core integration/staging tree

A decentralized bitcoin exchange network

End-to-end bitcoin wallet backing server for powering Samourai Wallet and other light wallets

Watch Only bitcoin wallet tracker for Android

Chaumian CoinJoin implementation by the developers of Samourai Wallet

Bitcoin Wallet strongly focused on privacy when transacting on the bitcoin network

End-to-end bitcoin wallet backing server for powering Samourai Wallet and other light wallets

An Installation Assistant and UI for Samourai Wallet's Dojo. Runs on a Raspberry Pi4 or Odroid N2