Help out your favorite open source projects and become a better developer while doing it.

The Unofficial Apple iOS Swift Calendar View. iOS calendar Library. iOS calendar Control. 100% Customizable

Active Record, improved. Live again :)

JavaScript library that generates liturgical calendars of the Roman Rite of the Roman Catholic Church.

Glucosio Android App

Use LINQ to retrieve data from spreadsheets and csv files

JUnit 5 Extension Pack

The Nextstrain website

Text preprocessing, representation and visualization from zero to hero.

A flexible, elegant, fast and easy-to-use content management system written in PHP.

Count your code, quickly.

WebAssembly specification, reference interpreter, and test suite.

Matplot++: A C++ Graphics Library for Data Visualization 📊🗾

The Rust web framework for lazy developers.

A modern file tail utility based on Rx.Net which show cases reactive programming and Dynamic Data (see https://github.com/RolandPheasant/DynamicData)

High Performance Object Storage for AI

A Golang plugin collection for SublimeText 3, providing code completion and other IDE-like features.

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

Support for using OpenFeign in Spring Cloud apps

A platform for developing apps using JRuby on Android.

An express.js middleware for validator.js.

Distributed performance testing platform for APIs

Simple business intelligence platform for data democratization

Realtime Alerting for Graphite and Prometheus

New generation of the Flyve MDM Dashboard

:muscle: SEGS - Super Entity Game Server

MoonRay is DreamWorks’ open-source, award-winning, state-of-the-art production MCRT renderer.

A configurable set of panels that display various debug information about the current request/response.

A Ruby/Rack web server built for parallelism

Multi-protocol Minecraft-compatible client written in Rust

🌲 Evergreen React UI Framework by Segment

JavaScript library for one-directional scrolling with item based navigation support.

Using Mockito with Kotlin

A next generation HTTP client for Python. 🦋

Go port of Coda Hale's Metrics library

🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.

:rocket: Open Source REST API for rocket, core, capsule, pad, and launch data

The fastest way to bring multi-agent workflows to production.

A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable

Free and Beautiful Vue 3 Admin Template

A Swagger to AsciiDoc or Markdown converter to simplify the generation of an up-to-date RESTful API documentation by combining documentation that’s been hand-written with auto-generated API documentation.

Using Mockito with Kotlin

The Composer of ggplots

Non-Blocking Reactive Foundation for the JVM

FSharp source code formatter

Python API wrapper for Instructure's Canvas LMS. Easily manage courses, users, gradebooks, and more.

Compression abstraction library and utilities

A web framework for Rust.

dependency tool for go

Clojure-based, R-like statistical computing and graphics environment for the JVM

Python web framework for building enterprise-ready apps. Higher level framework (built on top of Django), strives to handle all components of application logics that are needed for enterprise readiness at the framework level.