Discover the most starred and trending open source tools tagged with #integration.
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
Turn any REST, SOAP, GraphQL or SQL API into MCP tools for Claude & ChatGPT. Self-hosted. 258 connectors: ERP, e-commerce, SAP.
Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
An orchestration platform for the development, production, and observation of data assets.
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
One library | Many payment processors | Scale to multiple processors with few lines of code.
Jenkins automation server
Local-control Home Assistant component that authenticates to newer-firmware Samsung devices and talks over CoAP-DTLS.
A Home Assistant HACS integration that supports Kia Connect(Uvo) and Hyundai Bluelink. The integration supports the EU, Canada and the USA.
Flink CDC is a streaming data integration tool
Open-source auth gateway connecting 1500+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.
Full-stack testing PHP framework
Enterprise-Grade Continuous Delivery & DevOps Automation Open Source Platform
AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.
Cucumber for golang
Auto-configure and then control your Midea M-Smart devices (Air conditioner, Fan, Water heater, Washer, etc) via local area network.
Godot-MCP — Model Context Protocol (MCP) integration for the Godot Engine. AI tools for the Godot Editor in C#, with cloud connection to ai-game.dev. Apache-2.0.
Apache Camel K is a lightweight integration platform, born on Kubernetes, with serverless superpowers
Open-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.
The app which enables the users to edit office documents from Nextcloud using ONLYOFFICE Document Server, allows multiple users to collaborate in real time and to save back those changes to Nextcloud