Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
- bitcoin
- bitcoin-payment-gateway
- lightning-network
- payment-gateway
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Optimized C library for EC operations on curve secp256k1
NBitcoin Explorer
Swift cryptography library for Bitcoin and Nostr. ECDSA, Schnorr, ECDH, and zero-knowledge proofs on secp256k1. Apple platforms and Linux.
- taproot
- secp256k1
- swift
- schnorr
Ultra high-performance secp256k1 ECC engine | Python, Node.js, Rust, Go, C#, Swift, Java bindings | CUDA, Metal, OpenCL GPU | ECDSA, Schnorr, FROST, MuSig2, BIP-352 | 15+ platforms
- cryptography
- cuda
- riscv
- secp256k1
Bitcoin Protocol components in Common Lisp
- bitcoin
- common-lisp
- cryptography
- bitcoin-api
Strike plugin for BTCPayServer
- bitcoin
- btcpay
- btcpayserver
- lightning-network
Decentralized agent memory for the Lightning economy. Nostr identity, L402 payments, MCP server.
Instant data for apps on Bitcoin.
- clarity
- stacks
- typescript
- blockchain
Self-hostable Bitcoin fee intelligence API with optional MCP and x402 integrations. Former public hosting is paused.