87,075 visible repositories in the index
1–24 of 54 · Most stars
Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
The most complete open-source, self-hosted Agentic Trading OS—AI research, Python strategies, factor discovery, backtesting, optimization, paper/live multi-asset execution, risk controls, monitoring, MCP, and multi-tenant SaaS in one auditable stack.
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍
A beautiful, private, local-first personal finance tracker. Investments, net worth, spending, and simulations.
Wallos: Open-source, self-hostable personal subscription tracker. Visualize your recurring expenses, manage your budget, and save money.
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
Web page PDF/PNG rendering done right. Self-hosted service for rendering receipts, invoices, or any content.
The user infrastructure platform. You choose the frontend, backend, and database. Hexclave handles everything else.
Usage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access
Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts and categories
ezBookkeeping is an open source, powerful, self-hosted personal finance app that is easy to use.
MCP server for market analysis in AI assistants: screeners, multi-timeframe technical analysis, backtests and sentiment for crypto, stocks, forex and futures. 39 tools. Self-host free, or use the hosted version, TradingMCP.
Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org
Open-source personal finance manager. Self-hosted, privacy-first.
Your web application for managing personal data.
KitchenOwl is a self-hosted grocery list and recipe manager. The backend is made with Flask and the frontend with Flutter. Easily add items to your shopping list before you go shopping. You can also create recipes and add items based on what you want to cook.
Self-hosted crypto trading bot (automated high frequency market making) written in C++
A self-hosted open source application for managing your invoices, clients and payments.
Open Source AI trading agent that operates autonomously across 1000+ markets - Polymarket, Kalshi, Binance, Hyperliquid, Solana DEXs, 5 EVM chains. Scans for edge, executes instantly, manages risk while you sleep. Agent commerce protocol for machine-to-machine payments. Self-hosted. Built on Claude.
In-app purchases and subscriptions made easy. Support for iOS, watchOS, tvOS, macOS, and visionOS.
A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.
The Open Source Trading Ecosystem for Everyone.
Free and open-source webshop solution for hostings