Libraries & frameworks rankings
Libraries & frameworks, ordered by GitHub stars · 135 projects collected, showing the top 24 by stars
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unslothunslothaiAn open-source library for accelerating large language model (LLM) fine-tuning, significantly reducing VRAM usage and increasing training speed.Python 78.1k 2026.10.152
htmxbigskysoftwareA lightweight (~14KB gzipped), dependency-free JavaScript library that enables AJAX, CSS Transitions, WebSockets, and Server Sent Events directly in HTML using attributes, extending HTML as a hypertext.JavaScript 49.5k 2026.08.283
pandocjgmA universal document format converter that supports conversion between over 50 markup languages.Haskell 46.6k 2026.10.084
googletestgoogleGoogle's C++ testing framework supporting xUnit-style unit tests, mocking, death tests, parameterized tests, and a rich set of assertions.C++ 39.6k 2026.08.105
dioxusDioxusLabsA fullstack app framework for building apps for web, desktop, and mobile with a single codebase.Rust 39.4k 2026.10.166
keycloakkeycloakAn open-source Identity and Access Management solution for modern applications and services, providing user federation, strong authentication, fine-grained authorization, and more.Java 37.4k 2026.10.137
seleniumSeleniumHQA browser automation framework and ecosystem that provides infrastructure for the W3C WebDriver specification, compatible with all major web browsers.Java 34.5k 2026.10.048
nacosalibabaAlibaba's open-source dynamic service discovery, configuration, and service management platform for building cloud-native applications and microservices.Java 33.4k 2026.09.219
opensslopensslA robust, commercial-grade, and full-featured open-source toolkit for the TLS, DTLS, and QUIC protocols, including a general-purpose cryptographic library.C 30.9k 2026.10.0910
nautilus_tradernautechsystemsA production-grade Rust-native trading engine with a deterministic event-driven architecture, supporting multi-asset, multi-venue trading systems across research, simulation, and live execution.Rust 30.2k 2026.10.1511
lottie-iosairbnbA native animation rendering library for iOS, macOS, tvOS, and visionOS that renders After Effects bodymovin JSON vector animations in real-time with support for playback, resizing, looping, reversing, and interactive scrubbing.Swift 26.9k 2026.06.1312
slintslint-uiAn open-source declarative GUI toolkit for building native user interfaces for Rust, C++, JavaScript, or Python apps.Rust 24.1k 2026.09.2113
oxcoxc-projectA collection of high-performance JavaScript tools written in Rust, including a parser, linter, formatter, transpiler, and minifier, designed to power the next generation of JavaScript tooling.Rust 23.0k 2026.10.1314
matomomatomo-orgThe leading open-source alternative to Google Analytics, providing complete privacy protection, data ownership, and real-time analytics reports for websites and apps.PHP 22.0k 2026.10.1615
wekanwekanAn open-source kanban board application built with Meteor, MIT licensed.JavaScript 21.1k 2026.10.1816filamentgoogleA real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2.C++ 20.6k 2026.10.1317
migrategolang-migrateA database migration tool written in Go, usable as a CLI or imported as a library, supporting a wide range of databases.Go 19.0k 2026.09.0918
claynicbarkerA high-performance 2D UI layout library in C, featuring flex-box layout model, single-header, zero dependencies, Wasm support, microsecond layout performance, and renderer-agnostic output.C 18.2k 2025.06.0619
argo-workflowsargoprojA Kubernetes-native container-native workflow engine for orchestrating parallel jobs, a CNCF graduated project.Go 17.0k 2026.10.0920
SDLlibsdl-orgSimple DirectMedia Layer (SDL) – a cross-platform development library that provides low-level access to video framebuffer, audio output, mouse, and keyboard.C 16.7k 2026.10.0221
realm-swiftrealmA mobile database that runs directly inside phones, tablets, and wearables, providing an object-oriented data model for iOS, macOS, tvOS, and watchOS platforms as an alternative to Core Data and SQLite.Objective-C 16.6k 2026.09.2722
glfwglfwA multi-platform library for OpenGL, OpenGL ES, and Vulkan application development, providing a simple, platform-independent API for creating windows, contexts, reading input, and handling events.C 15.4k 2026.07.3123
openshipoblienAn open-source, self-hostable deployment platform with built-in CI/CD, driven by a desktop app, web dashboard, or CLI.TypeScript 14.8k 2026.10.1724
litestreambenbjohnsonA standalone streaming replication tool for SQLite that runs as a background process and safely replicates changes incrementally to another file or S3.Go 14.4k 2026.08.31
unslothunslothaiAn open-source library for accelerating large language model (LLM) fine-tuning, significantly reducing VRAM usage and increasing training speed.Python 78.1k 2026.10.152htmxbigskysoftwareA lightweight (~14KB gzipped), dependency-free JavaScript library that enables AJAX, CSS Transitions, WebSockets, and Server Sent Events directly in HTML using attributes, extending HTML as a hypertext.JavaScript 49.5k 2026.08.283pandocjgmA universal document format converter that supports conversion between over 50 markup languages.Haskell 46.6k 2026.10.084googletestgoogleGoogle's C++ testing framework supporting xUnit-style unit tests, mocking, death tests, parameterized tests, and a rich set of assertions.C++ 39.6k 2026.08.105dioxusDioxusLabsA fullstack app framework for building apps for web, desktop, and mobile with a single codebase.Rust 39.4k 2026.10.166keycloakkeycloakAn open-source Identity and Access Management solution for modern applications and services, providing user federation, strong authentication, fine-grained authorization, and more.Java 37.4k 2026.10.137seleniumSeleniumHQA browser automation framework and ecosystem that provides infrastructure for the W3C WebDriver specification, compatible with all major web browsers.Java 34.5k 2026.10.048nacosalibabaAlibaba's open-source dynamic service discovery, configuration, and service management platform for building cloud-native applications and microservices.Java 33.4k 2026.09.219opensslopensslA robust, commercial-grade, and full-featured open-source toolkit for the TLS, DTLS, and QUIC protocols, including a general-purpose cryptographic library.C 30.9k 2026.10.0910nautilus_tradernautechsystemsA production-grade Rust-native trading engine with a deterministic event-driven architecture, supporting multi-asset, multi-venue trading systems across research, simulation, and live execution.Rust 30.2k 2026.10.1511lottie-iosairbnbA native animation rendering library for iOS, macOS, tvOS, and visionOS that renders After Effects bodymovin JSON vector animations in real-time with support for playback, resizing, looping, reversing, and interactive scrubbing.Swift 26.9k 2026.06.1312slintslint-uiAn open-source declarative GUI toolkit for building native user interfaces for Rust, C++, JavaScript, or Python apps.Rust 24.1k 2026.09.2113oxcoxc-projectA collection of high-performance JavaScript tools written in Rust, including a parser, linter, formatter, transpiler, and minifier, designed to power the next generation of JavaScript tooling.Rust 23.0k 2026.10.1314matomomatomo-orgThe leading open-source alternative to Google Analytics, providing complete privacy protection, data ownership, and real-time analytics reports for websites and apps.PHP 22.0k 2026.10.1615wekanwekanAn open-source kanban board application built with Meteor, MIT licensed.JavaScript 21.1k 2026.10.1816filamentgoogleA real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2.C++ 20.6k 2026.10.1317migrategolang-migrateA database migration tool written in Go, usable as a CLI or imported as a library, supporting a wide range of databases.Go 19.0k 2026.09.0918claynicbarkerA high-performance 2D UI layout library in C, featuring flex-box layout model, single-header, zero dependencies, Wasm support, microsecond layout performance, and renderer-agnostic output.C 18.2k 2025.06.0619argo-workflowsargoprojA Kubernetes-native container-native workflow engine for orchestrating parallel jobs, a CNCF graduated project.Go 17.0k 2026.10.0920SDLlibsdl-orgSimple DirectMedia Layer (SDL) – a cross-platform development library that provides low-level access to video framebuffer, audio output, mouse, and keyboard.C 16.7k 2026.10.0221realm-swiftrealmA mobile database that runs directly inside phones, tablets, and wearables, providing an object-oriented data model for iOS, macOS, tvOS, and watchOS platforms as an alternative to Core Data and SQLite.Objective-C 16.6k 2026.09.2722glfwglfwA multi-platform library for OpenGL, OpenGL ES, and Vulkan application development, providing a simple, platform-independent API for creating windows, contexts, reading input, and handling events.C 15.4k 2026.07.3123openshipoblienAn open-source, self-hostable deployment platform with built-in CI/CD, driven by a desktop app, web dashboard, or CLI.TypeScript 14.8k 2026.10.1724litestreambenbjohnsonA standalone streaming replication tool for SQLite that runs as a background process and safely replicates changes incrementally to another file or S3.Go 14.4k 2026.08.31