70,234 visible repositories in the index
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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.
MyFin Budget - Web frontend for the personal finances platform that'll help you budget, keep track of your income/spending and forecast your financial future.
Self-hosted restaurant POS with tables, kitchen display, reservations, QR ordering, loyalty and local-network operation.
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.
A libGDX cross-platform API for InApp purchasing.
Build, Measure and Grow iOS subscription business
IDX - Analyze the Indonesian stock market (IDX/IHSG) from web terminal, CLI, or any AI agents via MCP server. IHSG Prices, Fundamentals, and Screening. Free and No API keys required.
Translated研迹 Trail (Yanji, "research trail"): a local-first AI investment research workbench. Connects market quotes, candlestick charts, and deep research, so that judgments are traceable and risks can be reviewed. Local-first AI investment research desktop with an evidence-grounded copilot.
Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
Yaffa is a personal finance web application, focusing on the support of long term financial planning.
equity research and financial analysis
WebApp Quandl.com API to tell stock growth history in a given period.
Complete, dependency-free Go client for the YNAB API — 44 operations, exact integer money, first-class delta sync, contract-tested. Unofficial.
Flare is a lightweight, developer-friendly Swift framework that simplifies working with in-app purchases. It provides a clean, unified API over StoreKit and StoreKit 2, includes async/await-ready workflows, and offers built-in UI components for a seamless integration experience.
🏦 I built this site to integrate with Up bank (an Australian digital bank), to assist users with budgeting and to gain powerful future insights.
Support for In-App Purchase
:chart_with_upwards_trend: A live cryptocurrency historical trade data blotter. Download live historical trade data from any cryptoexchange, be it for machine learning, backtesting/visualizing trading strategies or for Quantopian/Zipline.
Correctly rounded monetary amounts and exchange rates for Go
Official CoinPaprika API Go client — coin prices, tickers, OHLCV, exchanges, and global market stats.
AI crypto trading bot with deep neural network (84.9% accuracy, 25 coins). BiLSTM + Attention trained on GPU. Bybit, Binance, OKX, Gate.io. Free cloud or self-hosted.
Capacitor plugin to manage IAP on capacitor with latest libs Android IOS
MyFin Budget - Rest API for the personal finances platform that'll help you budget, keep track of your income/spending and forecast your financial future.
👛 Tools for managing a vanity Web Monetization wallet
Unofficial Elixir Client for the Authorize.NET API