Top PLATFORM GitHub Repositories & Tools (2026)

A modern and intuitive terminal-based text editor

cross-platform (Qt), open-source (GPLv3) video editor

Enterprise Goldsvet crypto casino engine with 100% open-source code, 2500+ slots API, sportsbook module, and zero-fee local blockchain payments.

FeedFlow is a minimalistic RSS Reader available on Android, iOS, macOS, Windows and Linux. Built with Kotlin Multiplatform, Jetpack Compose and SwiftUI.

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

Open Diff: open-source Beyond Compare alternative for file/folder compare, merge, and sync on Windows, macOS, and Linux

The C++ Standard Library for Parallelism and Concurrency

Redot Engine – Multi-platform 2D and 3D game engine

An open-source, cross OS, community-driven launcher. A lightweight alternative to Spotlight and Raycast. Made with ❤️ from Viet Nam 🇻🇳

Open-source feature management platform

Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.

Cross-platform text editor, written in Free Pascal

SVG/XML to Compose ImageVector: IntelliJ IDEA / Android Studio plugin + build-in previewer without compilation, CLI tool, Gradle plugin

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

Empower the Web community and invite more to build across platforms.

Open Source eCommerce & Multi-Vendor Marketplace Platform Built with Laravel for Enterprise-Scale Commerce, Supporting 10M+ SKUs

The (official) Music Assistant Mobile app is a cross-platform client application designed for Android and iOS. Developed using Kotlin Multiplatform (KMP) and Compose Multiplatform frameworks, this project aims to provide a unified codebase for seamless music management across multiple platforms.

Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScript SDKs, and production-ready Next.js storefront. Self-host it. Own your data. No vendor lock-in. Zero platform fees.

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

Open-source IoT Platform - Device management, data collection, processing and visualization.