Modern crypto portfolio & market explorer. Built with @Flutter
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A modern In-App Purchases management framework for iOS.
- swift
- in-app-purchase
- ios
Community-driven MetaTrader 5 bot with full features ready for desktop use
- automation
- background-process
- developer-tools
- metatrader5-no-gui
Ninjatrader Bot 2026: a friendly, community-driven trading companion packed with powerful features
- automation
- desktop
- developer-tools
- ninjatrader
Scalable, event-driven, deep-learning-friendly backtesting library
- reinforcement-learning
- deep-reinforcement-learning
- gym-environment
- openai-gym
Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
- python
- docker
- docker-compose
- bitcoin
The open source operating system for digital agencies. Built with Directus and Nuxt.
TensorForce Bitcoin Trading Bot
A light-weight deep reinforcement learning framework for portfolio management. This project explores the possibility of applying deep reinforcement learning algorithms to stock trading in a highly modular and scalable framework.
SHKeeper is a self-hosted and open-source cryptocurrency gateway payment processor. It's integrate with popular CMS, any e-commerce, your own code or product
- accept-crypto
- accept-crypto-payments
- crypto
- crypto-gateway
💰 Ocular - A fancy, simplistic, beautiful and straight-forward, open-source budgeting tracking app to track your budget across the years. Easy to use, to get started and to set up.
- budget-app
- budgeting
- finance
- finance-management
Double-entry accounting & ERP for the web
- postgresql
- accounting
- billing
- web-app
Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
- algorithmic-trading
- kalshi
- polymarket
- python
Say It Simply, Test It Properly. Agent-powered strategy research with independent ledger checks and reproducible reports.
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.
- agent-skills
- defi
- grok-bot
- hyperliquid
Free invoice builder & GST billing software for India. Make GST invoices, quotations, bills of supply and credit notes as PDF; GSTR-1/3B reports. Free invoice maker for shops, freelancers & small businesses. Free Tally alternative: open source, 100% offline, no signup, no limits.
- gst
- billing-software-open-source
- gst-billing
- hsn-code
Open source Farm management Information System (FMIS) - Connecting farms to the world
- ruby
- agriculture
- erp
- management
SDK for growing mobile in-app purchases
- ios
- purchases
- iap
- sdk
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
Trading Environment(OpenAI Gym) + DDQN (Keras-RL)
Flutter Plugin for Square In-App Payments SDK
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
Predicts how news-driven supply-chain shocks ripple across S&P 500 stocks, with an event-study backtest and a hash-chained public prediction ledger. Built on MIT open-source SEC supply-graph code.
- cloudflare-workers
- d3
- event-study
- finance