SHKeeper is a self-hosted and open-source cryptocurrency gateway payment processor. It's integrate with popular CMS, any e-commerce, your own code or product
- accept-crypto
- accept-crypto-payments
- crypto
- crypto-gateway
Repository Index
47,133 repositories indexed
49–72 of 113 · Most stars
Payum offers everything you need to work with payments. From simplest use cases to very advanced ones.
💰 Ocular - A fancy, simplistic, beautiful and straight-forward, open-source budgeting tracking app to track your budget across the years. Easy to use, to get started and to set up.
- budget-app
- budgeting
- finance
- finance-management
Double-entry accounting & ERP for the web
- postgresql
- accounting
- billing
- web-app
ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.
- ach
- automated-clearing-house
- money
- golang-library
Trady is a handy library for computing technical indicators, and it targets to be an automated trading system that provides stock data feeding, indicator computing, strategy building and automatic trading. It is built based on .NET Standard 2.0.
- strategy
- technical
- analysis
- stock
Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
- algorithmic-trading
- kalshi
- polymarket
- python
Say It Simply, Test It Properly. Agent-powered strategy research with independent ledger checks and reproducible reports.
A complete payment library for Elixir and Phoenix Framework
- elixir
- payment
- gringotts
- payment-gateway
SDK for growing mobile in-app purchases
- ios
- purchases
- iap
- sdk
Braintree Ruby library
- braintree
- ruby
- payments
Open Source Algorithmic Trading Engine
Predicting price trends in cryptomarkets using an lstm-RNN for the use of a trading bot
- btc
- lstm
- rnn
- bitcoin
Flutter Plugin for Square In-App Payments SDK
Bloomberg-style trading terminal in Rust with GPU charts and congressional trades
Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.
- coinbase-x402
- coinpayments-api
- crypto-checkout-form
- crypto-payment-system
Every day, millions of traders around the world are trying to make money by trading stocks. These days, physical traders are also being replaced by automated trading robots. Algorithmic trading market has experienced significant growth rate and large number of firms are using it. I have tried to build a Deep Q-learning reinforcement agent model to do automated stock trading.
Telegram trading bot for tokens: signals, limits and stop-loss in one chat.
Lightweight Bitcoin payment processor written in easily deployable Python. Self custody donations and payments on-chain & Lightning network, directly connected to your own Bitcoin node! No middleman/custodian.
- bitcoin
- bitcoin-payments
- donation-button
- woocommerce
Batch backtest, import and strategy params optimalization for Gekko Trading Bot. With one command you will run any number of backtests.
- gekko
- backtesting-trading-strategies
- gekko-backtesttool
- backtest
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
- anti-bot
- behavioral-analysis
- bot-detection
- captcha
Do stock correlations predict the market? 66 pre-registered tests, the data, and a triple pendulum that explains why not. If you have an idea you want me to try, submit it as a PR and I will test it and get back to you.
Real-time HFT bot for Polymarket crypto Up/Down markets combining CLOB order books, Chainlink feeds and multi-exchange prices with TWAP and Black-Scholes probability models; paper mode and backtests.
- black-scholes
- chainlink
- crypto
- hft
PolyTutor overview of Polymarket trading bots: strategy guides (copy trading, market making, dump-hedge, last-seconds, sports), case studies, and engineering notes. Smart trading. Real edge.
- documentation
- polymarket
- polytutor
- prediction-markets