Open source. Open possibilities.

Appwrite is an open-source, all-in-one development platform that provides backend infrastructure and web hosting for web, mobile, and AI applications.

A Kotlin SDK for integrating Aptabase, an open-source, privacy-first analytics service for mobile, desktop, and web applications.

ReVanced Manager is an Android app that downloads, patches, and customizes apps using ReVanced Patcher, continuing the legacy of Vanced.

raylib is a simple, easy-to-use C library for videogame programming, ideal for prototyping, education, and graphical applications.

Retrofit is a type-safe HTTP client for Android and the JVM, letting developers define REST API calls as annotated Java interfaces. It requires Java 8+ or Android API 21+ and ships R8/ProGuard rules.

Provides auto-updated free VPN/proxy subscription links (Clash/V2Ray), categorized by reachable, unreachable, and untested status, with usage warnings, client tutorials, and paid recommendations.

OkHttp is an efficient HTTP client for the JVM, Android and GraalVM, supporting HTTP/2, connection pooling, transparent GZIP, response caching, modern TLS and WebSockets, with synchronous and asynchronous APIs plus a MockWebServer testing library.

FragmentColor is a cross-platform GPU abstraction for Rust, JS, Python, Swift, and Kotlin. It simplifies shader workflows using WGSL/GLSL across Vulkan, Metal, DirectX, and WebGPU.

RunAnywhere is a cross-platform SDK suite for running AI models fully on-device across phones, browsers, desktops, and servers. It supports LLMs, vision, speech, voice agents, RAG, embeddings, and image generation with a single semantic API.