Cashu Python is the reference implementation. It is the first Cashu wallet and mint. Both, the mint and the wallet can be used as standalone software or included into other applications as a library. It has full Bitcoin Lightning integration, PostgreSQL and SQLite database support, builtin Tor for hiding IPs for wallet and mint interactions, supports multiple mints, and can send and receive tokens on nostr, and supports pay-to-script-hash (P2SH) tokens.
Cashu Feni is a Cashu wallet and mint written in Golang. It supports multiple mints, P2SH, and offers Docker images for easy deployment. Cashu Feni is suited for high-performance applications.
cashu-ts is a typescript library that offers developers a simple interface for implementing Cashu browser and node-js applications.
Nutstash is a Cashu web wallet with many features such as multimint support and support for sending and receiving tokens via nostr. It is easy to use and probably one of the best Cashu wallets out there. Nutstash is written in TypeScript and uses the cashu-ts library.
X-Cashu is a work-in-progress project that aims to create a 402 Payment Required scheme to monetize REST API access by using ecash in HTTP headers.
Proxnut This proxy forwards requests only if they have a valid cashu token attached to the X-Cashu header.
CashuProjects is collection of TypeScript projects