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Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
OpenStock is an open-source alternative to expensive market platforms. Track real-time prices, set personalized alerts, and explore detailed company insights — built openly, for everyone, forever free.
Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.
High-performance TensorFlow library for quantitative finance.
Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
A collection of higher-level reusable cdk constructs
Trady is a handy library for computing technical indicators, and it targets to be an automated trading system that provides stock data feeding, indicator computing, strategy building and automatic trading. It is built based on .NET Standard 2.0.
Countries - ISO-639, ISO-3166 countries codes with subdivisions and names, ISO-4217 currency designators, ITU-T E.164 IDD phone codes, countries capitals, UN M.49 codes, IANA ccTLD countries domains, FIPS, IOC/NOC and FIFA codes, VERY VERY FAST, compatible with Databases/JSON/BSON/GOB/XML/CSV, Emoji countries flags and currencies, Unicode CLDR.
A complete payment library for Elixir and Phoenix Framework
👉↕️📱ContainerController 🧩✨⚙️ is a UI Component Swipe-Panel (Customizable). 💡 The idea is copied from the app: Apple Maps, Stocks. Swift version
A composable, real time, market data and trade execution toolkit. Built with Elixir, runs on the Erlang virtual machine
Open tax skills for AI: 2,250 skills across 266 jurisdictions, every figure cited to the law. Works in ChatGPT, Claude, Cursor and any MCP client.
The fastest automatic differentiation library for C++, with Python bindings. Forward, adjoint and higher-order derivatives, checkpointing, Eigen support and JIT. Reproducible benchmarks against CppAD, Adept and autodiff.
The foundational library of the Morpheus data science framework
Practical volume computation and sampling in high dimensions
SaaS boilerplate/starter-kit in Go+React with Stripe integration, multi-tenant support, comprehensive features and AI-agent ready
TranslatedA nutrition-pairing tool based on McDonald's China's official MCP: it expands each combo item by item to get official nutrition and official pricing, marks the price source of every amount, and honestly labels anything it cannot retrieve as "unknown" instead of filling in 0. Runs offline, no Token needed. Does not provide ordering capability.
Custom Element Wrapper for Stripe.js v3 Elements
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.
A currency computations package.
Javascript SDK for trading on cryptocurrency exchanges like FTX, OKX, Bybit, and more. Supports API data feeds and WebSocket. Built by the Compendium Team.