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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.
Deterministic, dependency-free Chan-theory (缠论) structure engine + multi-market trading workstation (A-shares / HK / US / crypto) with teaching chart annotations and a mobile PWA.
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.
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.
Batch backtest, import and strategy params optimalization for Gekko Trading Bot. With one command you will run any number of backtests.
Native macOS & iOS open-source banking app (FinTS/HBCI, PSD2, SEPA, MoneyMoney import) built with Rust & SwiftUI. Local SQLCipher vault, no subscription, no cloud.
Pocketbase extention built in Go with stripe webhooks currently in use at sign365.com.au and fastpocket.dev
A gem that calculates the exchange rate using published rates from European Central Bank. Compatible with the money gem
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.
Bot18 is a high-frequency cryptocurrency trading bot developed by Zenbot creator @carlos8f
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.
Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
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.
Passive market-making bot for Predict.fun: quotes from live order books, replaces stale orders and cancels on unsafe price/depth; Windows desktop app and web console for Ubuntu servers.
Free open source order flow screener for spot and perpetual trade orders.
A payment processing library for Elixir
SaaS boilerplate/starter-kit in Go+React with Stripe integration, multi-tenant support, comprehensive features and AI-agent ready
Arbitrage bot that currently works on bittrex & poloniex
Gekko Trading Bot dataset dumps. Ready to use and download history files in SQLite format.
Your friendly Bitcoin Lightning ⚡ payment page ⚡
Analysis of High Frequency Trading on Bitcoin exchanges
TranslatedScorecard Development in R, scorecard
Trading environnement for RL agents, backtesting and training.