Top LIB GitHub Repositories & Tools (2026)

JavaScript Testing utilities for React

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Open-source JavaScript charting library behind Plotly and Dash

The industry standard for API mocking in JavaScript.

A dead simple 2D game engine for Go

ZeroMQ core engine in C++, implements ZMTP/3.1

React Native UI library built on the Eva Design System: 30+ themeable, accessible components for iOS, Android and web. TypeScript, React 19 / RN 0.81, Eva and Material themes with runtime light/dark switching, on-demand style compilation.

A lightweight, cloud-native GIS platform for visualizing, exploring, and analyzing geospatial data. It runs in the web browser, on the desktop, on mobile, and inside Jupyter notebooks.

An embeddable, portable, branchable virtual machine to safely run Agents locally.

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

Search everywhere and in a hurry!

Pagination library for Rails and other Ruby applications

The Rust Implementation of the libp2p networking stack.

Build your design system in React, Solid, Vue, Svelte or Vanilla. Powered by finite state machines

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.

Virtual Python Environment builder

Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites

The most widely used PHP client for RabbitMQ

The most popular PHP library for use with the Twitter OAuth REST API.

Full-weight Qwen decision model with calibrated probabilities, training code, REST API, and playground.