A composable, real time, market data and trade execution toolkit. Built with Elixir, runs on the Erlang virtual machine
- trading
- trading-bot
- trading-systems
- cryptocurrency
Repository Index
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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.
- accounting
- bookkeeping
- buchhaltung
- buchhaltungssoftware
Open Source Algorithmic Trading Engine
Self-hosted alternative to Claude and ChatGPT Personal Finance. An AI agent that manages your budget and investments, and can place trades.
- ai-agent
- budgeting
- envelope-budgeting
- investment-tracker
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
Every day, millions of traders around the world are trying to make money by trading stocks. These days, physical traders are also being replaced by automated trading robots. Algorithmic trading market has experienced significant growth rate and large number of firms are using it. I have tried to build a Deep Q-learning reinforcement agent model to do automated stock trading.
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
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
From Idea to Execution - Manage your trading operation across a distributed cluster
- trading
- cryptocurrency
- crypto-trading
- elixir
Open-source event management, ticketing and membership platform for communities, clubs, independent venues and independent artists.
- django
- django-ninja
- eu-vat
- event-management
Web application to manage CSA (Community Supported Agriculture), ACP (Agriculture Contractuelle de Proximité) or Solawi (Solidarische Landwirtschaft) organizations.
- acp
- csa
- rails
- ruby
Complete, dependency-free Go client for the YNAB API — 44 operations, exact integer money, first-class delta sync, contract-tested. Unofficial.
- ynab
- ynab-api
- golang
- go
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.
Finance related Go functions (e.g. exchange rates, VAT number checking, …)
- golang
- vat-number
- vat-validation
- vat-validator
Self-hostable expense-splitter on the web.
- astro
- daisyui
- expense-splitter
- expenses