Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
Repository Index
47,133 repositories indexed
49–72 of 103 · Most stars
Super simple PDF invoicing
- pdf-invoice
- invoice-pdf
- pdf-generation
- prawn
OpenBudgeteer is a budgeting app based on the Bucket Budgeting Principle
- self-hosted
- csharp
- blazor
- budgeting
Modern & private time tracking for macOS & Windows. No cloud, no registration, no paywall. Just download and track your work hours 100% offline.
A light-weight deep reinforcement learning framework for portfolio management. This project explores the possibility of applying deep reinforcement learning algorithms to stock trading in a highly modular and scalable framework.
Create your Java crypto trading bot in minutes. Our Spring boot starter takes care of exchange connections, accounts, orders, trades, and positions so you can focus on building your strategies.
- trading-bot
- trading-strategies
- trading
- bot
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
Double-entry accounting & ERP for the web
- postgresql
- accounting
- billing
- web-app
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 menu bar app that updates cryptocurrencies prices in real-time
- bitcoin
- litecoin
- bitcoin-price
- javascript
Predicting price trends in cryptomarkets using an lstm-RNN for the use of a trading bot
- btc
- lstm
- rnn
- bitcoin
Web-based software to manage a non-profit food coop (product catalog, ordering, accounting, job scheduling).
- food-cooperative
- foodcoop
- food
- cooperative
Fast FIX protocol library for the JVM
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
Self-hosted restaurant POS with tables, kitchen display, reservations, QR ordering, loyalty and local-network operation.
- casaos
- docker
- gst
- india
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
Build, Measure and Grow iOS subscription business
- ios
- in-app-purchase
- in-app-purchases
- in-app-receipt
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
Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
- golang
- fintech
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.
Stripe library for Vapor
A payment processing library for Elixir