Tag
#payments
396 repositories
Repos
Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
OBAndroid is a self-custodial OmniBOLT Lightning wallet for android devices. It provides a platform for simple, instantaneous Bitcoin/Omnilayer asset payments
Ride The Lightning - A full function web browser app for LND, C-Lightning and Eclair
Lightning Address - like an email address, but for your Bitcoin
A pirate-theme bootcamp for getting up to speed on Solana programming!
Open-source Stripe Connect alternative. ~$0.002 payout fees. Identical API to Stripe. Instant global USDC payouts. Self-hosted.
Make Payments Crypto Native. MugglePay makes merchants and AI agents accept crypto and sell more with it.
🔑 Keagate is an open-source, high-performance alternative to popular cryptocurrency payment gateways such as Coinbase Commerce, CoinGate, BitPay, NOWPayments, CoinRemitter, CoinsPaid and more.
COTI is the first DAG based chain protocol that's optimized for Enterprises and Stable-coins.
Open-source core banking platform — 61 DDD domains with event sourcing, CQRS, and a schema-first GraphQL API. Multi-asset accounts, exchange, lending, compliance, x402/MPP machine payments, and a non-custodial wallet backend. Laravel 12 / PHP 8.4. Reference implementation: the GCU basket currency.
Support free culture by automatically sending cryptocurrency to the creators of the content you love.
Curated list of awesome Fintech startup companies
Self-hosted payment gateway for Ethereum and any ERC20 token, integrates with Raiden for almost-zero fees.
Client SDK, Claude plugin and skill framework for the Pinion protocol. x402 micropayments on Base.
The Nostr Native Lightning node, share your node with nostr accounts and connect easily to webapps.
GemWallet is a cutting-edge crypto wallet and Web3 layer for the XRP Ledger. Our browser extension enables you to interact with the XRP Ledger directly from your browser (Metamask for the XRPL). - https://gemwallet.app
A lightweight crypto payment processor microservice, written in Golang, designed for creating and processing cryptocurrency invoices via gRPC.
Mortgage Processing App using Hyperledger Fabric Blockchain. Uses channels for privacy and access, and restricts read/write previleges through endorsement policies
Magical Internet Money - EVM chain crypto asset manager, with support for ERC-5564 Stealth Addresses and ERC-6538: Stealth Meta-Address Registry (WIP)
Settle Interledger payments with ETH and ERC-20 tokens
💅💸 Ongoing assessment of bitcoin payments and privacy UX for @BitcoinDesign Community as well as tools to help designers understand the underlying protocols and specifications.
Nethermind Privacy Engineering team's implementation of private payments for the Stellar network
Unidirectional payment distribution channel with monotonically increasing balances (now obsolete)
A curated list of resources around BOLT12
💸 JavaScript library to scan crypto wallets for liquefiable assets and perform cost-effective, auto-converted payments onchain.
Cypherpunk app with Firebolt - Nostr, LN, Bitcoin, Coinjoin and Payjoin
HTTP 402 is the web-native standard for payments. A frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data.
PayFlow.me brings simplified crypto payment flows to Ethereum Layer 2, with secure Safe AA and gasless transactions
Shockwallet is a non-custodial SuperApp for the Bitcoin Lightning Network. It connects to a remote LND node and graph user nodes, to offer an open and decentralized social network.
Accept cryptocurrency payments without fee on Magento 2 by ShapeShift exchange API
Proof‑aware payment rail on Base where transfers are gated by EAS attestations and ZK proofs for KYC, access and milestones.
Revenue splitting protocol on Base that routes incoming USDC into configurable pools and buckets for teams, investors, partners and treasuries.
Web3 Enabler Web3 Enabler XRP for Salesforce enables users to accept XRP on the XRP Ledger in Salesforce.
Platform for creating and managing digital assets as financial instruments
An open-source, serverless, EVM-compatible design for generating digital asset invoices, tracking payments, and sweeping funds into an offline treasury wallet.
Metamask & web3js Ethereum payment method extenstion for Magento 2 without any third party gateways
Standardized “Pay with Base” tap/endpoint system for one‑click USDC payments, limits and cooldowns, reusable across dApps and mini‑apps.
Supernode for GRAFT Network - 2nd layer Monero implementation for instant transactions and service brokers
⚡️ Settle Interledger payments using the Lightning Network
Bare-bones implementation of the Sablier protocol
Ruby library for making and receiving payments and managing a nano currency node
CillarCoin ($CILLAR) is a programmable BEP-20 utility token powering fare payments and ticketing for AfrailX and ArailX smart mobility networks via Abba App. It features audited smart contracts for fares, rewards, refunds, KYC, vesting, and CO₂ tracking — built for scale deployment and governed by DAO. Liquidity locked 🔒 100% for 5yrs on Unicrypt.
PlasmaDLT Web IDE (Integrated Development Environment) for dapp developers on Plasma
Chainlink external adapter that enables SWIFT financial message data to be accessed by smart contracts via gpi API.
Programmable Wallets for Salesforce, powered by Circle Programmable Wallets, is an open source solution built on Circle Programmable Wallet technology to operating 100% within the Salesforce ecosystem.
Example server and client implementation showing how Bitcoin based API payments can be done
Production-ready Rust server template for building HTTP APIs with x402 payment integration on Solana. Accept USDC payments for API access. Includes Axum, Actix and Rocket templates.
Developer integration tools for adding TDM payments to AI agents, apps, and workflows. CLI, MCP server, and copy-paste examples.
Open contract-facing SDK for payable routes and gateway-backed integrations. Thin public surface for authorize, checkout, and session flows.