openFrameworks is a community-developed C++ toolkit for creative coding, bundling graphics, audio, video, computer vision and networking libraries for building interactive projects across platforms.openframeworks
wavesurfer.js is a JavaScript library for rendering interactive audio waveforms and playback in web applications, with plugins for regions, timelines and spectrograms.katspaugh
ReactPlayer is a React component for playing file paths, HLS and DASH streams, and media from YouTube, Vimeo and other sources inside web applications.cookpete
Valtio is a proxy-based state management library for React and vanilla JavaScript, offering mutable state objects, snapshot subscriptions and fine-grained re-rendering with minimal boilerplate.pmndrs
The official MongoDB driver for Node.js, providing connection pooling, CRUD operations, indexes, and transactions for applications built on MongoDB.mongodb
A TensorFlow-based neural network library by DeepMind offering composable module abstractions for building machine learning research models.google-deepmind
MahApps.Metro is a WPF UI toolkit that restyles existing controls with a modern Metro look and adds window chrome, runtime theming, dialogs, flyouts and navigation controls.MahApps
Symfony Console is a PHP component that simplifies building beautiful, testable command-line interfaces, providing argument parsing, input/output handling and command structure.symfony
Doctrine DBAL is a PHP database abstraction layer offering unified connections, queries, transactions, and schema introspection across database systems.doctrine
Spring Security is the security framework for the Spring platform, providing authentication, authorization and protection for Java applications.spring-projects
A feature-rich general-purpose 2D/3D game engine written in Rust, bundled with a scene editor and documentation for developers building games and real-time graphics applications.FyroxEngine
A cross-platform UI automation framework for games and apps, using image recognition to drive Android, iOS, and Windows interfaces through Python APIs and an IDE.AirtestProject
Slide framework designed for AI agents that provides runtime rendering, canvas scaling, and static export, letting agents focus on writing content while the framework handles presentation.1weiho
FinanceDatabase is a free reference dataset of over 300,000 equities, ETFs, indices, and other instruments, queryable through a Python package or MCP server.JerBouma
A lightweight, multi-architecture CPU emulator framework built on QEMU, exposing a clean C API with bindings for many languages for reverse engineering and security research.unicorn-engine
BullMQ is a Redis-based distributed message and job queue library for Node.js, Python, Rust and more, featuring parent-child flows, delays, retries, rate limiting and events.taskforcesh
A polyglot document-intelligence engine that extracts text, tables, and metadata from 100+ formats via libraries, CLI, REST, and MCP server.kreuzberg-dev
A Go implementation of JSON Web Tokens supporting parsing, validation, signing, and verification with HMAC, RSA, RSA-PSS, and ECDSA algorithms.golang-jwt
Microsoft's open-source JavaScript engine with a C API for embedding JavaScript execution into C and C++ applications on Windows, Linux, and macOS.chakra-core
A Node.js library for building native cross-platform desktop apps with JavaScript, TypeScript and CSS-like styling, powered by Qt6 and far lighter than Electron.nodegui
A multi-architecture disassembly framework with a unified API and rich instruction semantics across many CPU architectures for binary analysis and security tooling.capstone-engine
mvdan/sh is a Go library providing a shell parser, formatter, and interpreter for POSIX Shell, Bash, Zsh, and mksh, and ships the popular shfmt formatter.mvdan
Signale is a highly configurable Node.js logging library with built-in log types, scoped loggers, timers and secret filtering for command-line tools and applications.klaudiosinani
Open-source toolkit identifying and surgically removing refusal directions from models, offering multiple extraction strategies and inference-time interventions for researchers studying alignment and safety.elder-plinius
A high-performance GPU kernel library providing FP8, FP4, and BF16 GEMMs, fused MoE, and attention scoring primitives for modern large language models.deepseek-ai
A Go library of reusable terminal UI components for Bubble Tea applications, including spinners, text inputs, tables, lists, viewports, progress bars and file pickers.charmbracelet
A Windows file-system development framework that provides a kernel driver and user-mode APIs, enabling developers to build custom file systems similar to FUSE.winfsp
SpeechRecognition is a Python library that wraps many online and offline speech-to-text engines, including Google, Whisper and Vosk, for use in developers' own programs.Uberi
A Go package for building progressive web apps with reusable components and WebAssembly, producing SEO-friendly, installable apps that work offline.maxence-charriere
TileLang is a domain-specific language for writing high-performance GPU, CPU and NPU kernels. Built on TVM, it uses Pythonic tile-level syntax to express GEMM, FlashAttention and similar operators, then compiles them across multiple hardware backends.tile-ai
Senparc.Weixin is a comprehensive .NET SDK for WeChat, covering official accounts, mini programs, enterprise WeChat, payments, open platforms and JSSDK with unified APIs and samples.JeffreySu
A PDF processing library and CLI written in Go, supporting validation, merging, splitting, encryption, signing, stamping, form filling and content extraction.pdfcpu
Finagle is Twitter's extensible RPC system for the JVM, providing uniform client and server APIs across protocols for building high-concurrency distributed services.twitter
An LLM post-training framework for RL scaling that couples Megatron training with SGLang rollout and customizable data generation, battle-tested behind GLM releases.THUDM
librosa is a Python library for audio and music signal processing, providing the foundational algorithms for music information retrieval, analysis and research.librosa
Postgres.js is a fast, full-featured PostgreSQL client for Node.js with tagged-template queries, transactions, subscriptions, and type mapping.porsager
GRDB.swift is a SQLite toolkit for Swift applications, offering record mapping, SQL generation, database observation, concurrency, and migrations.groue
Android Debug Database is a debugging library that lets developers inspect and edit app databases and shared preferences from a browser without root.amitshekhariitbhu
A compiler and toolchain library for WebAssembly that optimizes, parses, and emits wasm through utilities like wasm-opt for developers and toolchains.WebAssembly
WinUI is Microsoft's modern user interface framework for Windows, offering Fluent Design controls and styles that developers use with C# or C++ to build native-looking Windows applications.microsoft
A Python library for fetching YouTube transcripts and subtitles without an API key or headless browser, supporting multiple languages, translation and common export formats.jdepoix
A pure JavaScript implementation of Git that works in Node.js and the browser, letting applications clone, commit, and push without native dependencies.isomorphic-git
A fast in-browser engine for capturing DOM elements and exporting them as PNG, SVG, canvas, PDF, or other formats through an extensible plugin system.zumerlab
A Fluent Design widget library for PyQt and PySide that gives Python developers Windows 11-style controls and demos for building polished desktop interfaces.zhiyiYo
A JavaScript library of stylish interactive prompt components for building command-line apps, offering ready-to-use prompts and headless unstyled primitives.bombshell-dev
Machinery is a Go asynchronous task queue built on distributed message passing, supporting multiple brokers and result backends, task groups, chains, chords and periodic jobs.RichardKnop