Open source. Open possibilities.

Go CDK provides stable, idiomatic Go interfaces for common cloud services like storage, databases, and pub/sub. It enables writing portable code that runs on any major cloud provider (AWS, GCP, Azure) without vendor lock-in.

Volga is a fast, simple, high‑performance Rust web framework built on Tokio and Hyper, offering explicit APIs, predictable performance, HTTP/1‑2, middleware, DI, WebSockets, and OAuth 2.1 support.

Composer is the standard dependency manager for PHP, enabling developers to declare, manage, and install project libraries with ease. It simplifies package resolution and autoloading, backed by Packagist for public packages and offering LTS support for older PHP versions.

JavaCV provides Java wrappers for OpenCV, FFmpeg, and other computer vision libraries via JavaCPP Presets. It enables image processing, video capture/recording, face detection, and camera calibration on Java and Android with hardware-accelerated display.

MCP server for VictoriaMetrics Anomaly Detection (vmanomaly), enabling AI assistants to perform health checks, model management, configuration generation, alert rule creation, and documentation search via the Model Context Protocol.

Self-hosted privacy-friendly product analytics for ASP.NET Core. Collects telemetry events using EF Core and SQL Server without relying on third-party tracking services, with built-in data minimization, allow-listing, and rate limiting.

MantleKeep is a generic governance framework for human and AI actions, ensuring that every action is governed and recorded on a tamper-evident hash-chain before execution.

Go Ethereum (geth) is the official Go implementation of the Ethereum protocol, offering a full node client, JSON-RPC interfaces, contract binding generation, and developer utilities for interacting with Ethereum networks.

JUI is a lightweight Java framework for building interactive web apps with minimal code. Implement JuiApp, receive a UIContext, and describe UI with compact calls like title, textInput, button, table and map; JUI handles HTTP, rendering and session state.

AntNode is a Python library providing load balancing with round-robin and adaptive strategies, metrics collection stored in PostgreSQL, and Redis-based caching with configurable TTL.

A PHP client library for accessing Google APIs like Gmail, Drive, and YouTube, officially supported by Google and in maintenance mode. It supports OAuth2, service accounts, and various Google services, with installation via Composer or direct download.

GPT4Free aggregates multiple language model and media generation providers into a unified interface. It offers Python/JS clients, OpenAI-compatible REST API, GUI, and CLI. Supports text and image generation via various models including gpt-4o-mini and flux.

heic-rs is a pure-Rust HEIC/HEIF decoder focusing on container parsing, grid compositing, and color conversion. It is no_std friendly, wasm-ready, and uses no unsafe code. Note that HEVC pixel decoding is not yet implemented.

AWS SAM transform is a CloudFormation macro that converts simplified serverless application templates into full CloudFormation templates, enabling developers to define Lambda functions, APIs, and other serverless resources with built-in best practices.

Elemental is a low-level, cross-platform GPU programming library providing a simple C API over Direct3D 12, Vulkan, and Metal.

Infinitus is an open-source agent harness control surface for managing AI coding assistants like Claude Code, Codex, and Cursor. It provides a unified desktop, web, and mobile interface to handle multiple accounts, session management, remote access, and usage monitoring across different AI providers.

GraphQL.js is the JavaScript reference implementation of GraphQL. It lets developers build a typed schema and execute validated queries against it, works in Node and browsers, ships CommonJS and ESModule builds, and is MIT-licensed under the GraphQL Foundation.

Route67 is an LLM router for OpenAI-compatible APIs. It routes queries to models via semantic similarity, with fallback to a weak-model judge for escalation decisions.

OwnChat is a self-hosted desktop chat application built with Java Swing and sockets, using Oracle Database for storage. It supports account creation, contacts, real-time messaging, chat history, themes, and online status tracking.

Sway is a Rust-inspired programming language and compiler toolchain for writing smart contracts on the Fuel blockchain. It includes forc (the compiler), standard library, and supporting tooling.