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Hyperliquid trading desk for AI agents: 7 roles, 17 skills and keyless market tools. Research first; execution requires your API wallet and approved tickets. Grok Bot, Claude Code, Cursor, Codex, Gemini CLI and Grok Build.
A complete payment library for Elixir and Phoenix Framework
A composable, real time, market data and trade execution toolkit. Built with Elixir, runs on the Erlang virtual machine
Selbst gehostete Buchhaltung für Freiberufler, Selbstständige, Kleinunternehmer, GmbH und UG: E-Rechnung (ZUGFeRD, XRechnung), Belege, Bankabgleich, EÜR oder Bilanz, E-Bilanz und Steuererklärungen an ELSTER. Für die GoBD gebaut, DATEV-Export. Open-Source-Alternative zu Lexware Office (lexoffice) und sevDesk. Docker-Image für den eigenen Server.
Self-hosted alternative to Claude and ChatGPT Personal Finance. An AI agent that manages your budget and investments, and can place 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.
Self-hosted restaurant POS with tables, kitchen display, reservations, QR ordering, loyalty and local-network operation.
Group Office groupware and CRM
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.
Native macOS & iOS open-source banking app (FinTS/HBCI, PSD2, SEPA, MoneyMoney import) built with Rust & SwiftUI. Local SQLCipher vault, no subscription, no cloud.
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.
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.
💸 Crypto Payments straight to your wallet. DePay simplifies Web3 integration for developers, harnessing DeFi to accept any token effortlessly. Integrate frictionless, real-time token conversion with sleek, customizable widgets designed for seamless user experience.
Complete, dependency-free Go client for the YNAB API — 44 operations, exact integer money, first-class delta sync, contract-tested. Unofficial.
Streaming-first technical indicators with a Rust core: native Python, Node.js and WebAssembly bindings plus a C ABI hub for C, C++, C#, Go, Java and R. 514 indicators, O(1) per-tick updates, no system dependencies. Drop-in TA-Lib replacement.
Cashier is an Elixir library that aims to be an easy to use payment gateway, whilst offering the fault tolerance and scalability benefits of being built on top of Erlang/OTP
Translated[Maintenance stopped] New version updates have been moved to the correspondingly named project under the IBATS project group. Connects to the Huobi exchange to get real-time and historical Huobi market data, saves it to a MySQL database and broadcasts it via Redis, for the ABAT trading platform to use for strategy backtesting, analysis, and trading.
Fixed-Point Decimal Money
Self-hostable expense-splitter on the web.
Algorand QR Code generator is a JavaScript module that outputs an standard QR code (exportable to SVG file and text) from a JSON object. It works in terminal, NodeJS and modern browsers. Complies to Algorand ABNF Grammar.
A scriptable Widget showing your personal Crypto-Balances
An embeddable widget for paying with Ripple.
Contingency Random Number Generator — numbers with controllable fat tails, volatility clustering, and scale convergence