Awesome Beginner-Friendly Projects

A framework for speeding up the development of automated UI tests for Windows, Android, iOS, and Web with Appium/Selenium on .NET

An extension framework to Legerity for speeding up the development of automated UI tests for Uno Platform applications with Appium/Selenium on .NET

The .NET MVVM framework for cross-platform solutions, including Xamarin.iOS, Xamarin.Android, Windows and Mac.

RawCMS is the headless CMS written in asp.net core build for developers that embraces API first technology. Please give us a feedback!

Should testing for .NET - the way Asserting Should be!

Vim-fork focused on extensibility and usability

Ncurses based XMPP client

Cake (C# Make) is a cross platform build automation system.

.NET implementation of the grok 📝

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

rhythm is just a click away!

Build Mobile, Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.

Build cross-platform desktop apps with JavaScript, HTML, and CSS

Godot Engine – Multi-platform 2D and 3D game engine

The MoveIt motion planning framework

projectM - cross-platform music visualization. Open-source and Milkdrop-compatible

Real-time audio streaming over the network.

An Open Source Machine Learning Framework for Everyone

The high-performance distributed SQL database for global, internet-scale apps.

A music programming language for musicians.

The Light Table IDE ⛺

Source for Dart website

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

A toolkit for data mapping and language integrated query.

Elixir is a dynamic, functional language designed for building scalable and maintainable applications

An open and reliable container runtime

The Docker CLI

The Kubernetes Package Manager

End-to-end HTTP and REST API testing for Go.

The world’s fastest framework for building websites.

Simple way to generate mock servers written in Go

Production-Grade Container Scheduling and Management

Powerful system container and virtual machine manager

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.

Meshery, the service mesh management plane

Moby Project - a collaborative project for the container ecosystem to assemble container-based systems

Making it easy to write shell-like scripts in Go

Terraform enables you to safely and predictably create, change, and improve infrastructure. It is an open source tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

TiDB is an open source distributed HTAP database compatible with the MySQL protocol

Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.

Quickly build any custom business software like admin panels, internal tools, dashboards and more with pre-built UI widgets that connect to any database, GraphQL or REST API, controlling everything with Javascript.

Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web.

Free and Open, Distributed, RESTful Search Engine

An app to convert images to PDF file!

Graphical Java application for managing BibTeX and biblatex (.bib) databases

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

SirixDB is a temporal, evolutionary database system, which uses an accumulate only approach. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach called sliding snapshot.

Strongbox is an artifact repository manager.

This is the project website for the TEAMMATES feedback management tool for education

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons

A community-developed, free, open source, microservices API automation and load testing framework built using JUnit core runners for Http REST, SOAP, Security, Database, Kafka and much more. Zerocode Open Source enables you to create, change, orchestrate and maintain your automated test cases declaratively with absolute ease.

✨⚡️ A beautiful feature-rich GraphQL Client for all platforms.

Turn Based Strategy Game. Master your beasts! 🐺

Quickly build any custom business software like admin panels, internal tools, dashboards and more with pre-built UI widgets that connect to any database, GraphQL or REST API, controlling everything with Javascript.

Node.js test runner that lets you develop with confidence 🚀

🐠 Babel is a compiler for writing next generation JavaScript.

Interactive code editor with a live binary tree visual designed to teach new developers the fundamentals of dynamic programming.

🤖 Dev tools to reliably understand text and automate conversations. Built-in NLU. Connect & deploy on any messaging channel (Slack, MS Teams, website, Telegram, etc).

Next generation Brave browser for Android, Linux, macOS, Windows.

🤖 CDN assets - The #1 free and open source CDN built to make life easier for developers.

A command line interface for Git Checkout. See branches available for checkout.

Set up a modern web app by running one command.

Fast, easy and reliable testing for anything that runs in a browser.

Build cross-platform desktop apps with JavaScript, HTML, and CSS

Ember.js - A JavaScript framework for creating ambitious web applications

A data persistence library for Ember.js.

Find and fix problems in your JavaScript code.

Various awesome ESLint rules

Fast and low overhead web framework, for Node.js

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

Build blazing fast, modern apps and websites with React

Turn your audience into a business. Publishing, memberships, subscriptions and newsletters.

A habit tracker app which treats your goals like a Role Playing Game.

👽 Open source API development ecosystem https://hoppscotch.io

A terminal built on web technologies

🆔 The easy-to-use OpenStreetMap editor in JavaScript.

Delightful JavaScript Testing.

JSON Schema Based Editor

An open-source screen recorder built with web technology

An Offline-First JavaScript Client for Kinto.

JavaScript library for mobile-friendly interactive maps

Passively learn a new language every time you open a new tab

MUI (formerly Material-UI) is the React UI library you always wanted. Follow your own design system, or start with Material Design.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.

📝 create a webpage with just markdown

Meteor, the JavaScript App Platform

☕️ simple, flexible, fun javascript test framework for node.js & the browser

Parse, validate, manipulate, and display dates in javascript.

Canonical common brand names, operators, transit and flags for OpenStreetMap.

NativeScript empowers you to access native platform APIs from JavaScript directly. Angular, Capacitor, Ionic, React, Svelte, Vue and you name it compatible.

A Git-based CMS for Static Site Generators

The React Framework

Node.js JavaScript runtime

Streaming music player that finds free music for you

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. http://twitter.com/p5xjs —

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

• PouchDB is a pocket-sized database.

A powerful open-source platform for load testing APIs.

Ramda Adjunct is the most popular and most comprehensive set of functional utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

A declarative, efficient, and flexible JavaScript library for building user interfaces.

This command line helps you create components, pages and even redux implementation for your react project

A framework for building native applications using React

Blazing fast page load and seamless navigation.

✏️ Tool to create your own react-content-loader easily.

Search UI components for React and Vue

The React documentation website

Reddit Enhancement Suite

The official Semantic-UI-React integration

⚡ Serverless Framework – Build web, mobile and IoT applications with serverless architectures using AWS Lambda, Azure Functions, Google CloudFunctions & more! –

Modern and fully web based free queue management open source software.

A GUI console for SirixDB, using Svelte/Sapper.

Mutation testing for JavaScript and friends

Free, open-source crypto trading bot, automated bitcoin / cryptocurrency trading software, algorithmic trading bots. Visually design your crypto trading bot, leveraging an integrated charting system, data-mining, backtesting, paper trading, and multi-server crypto bot deployments.

Cybernetically enhanced web apps

😎 swag opportunities for developers

Tessel 2 Command Line Interface

Log work hours and get notified when it's time to leave the office and start to live.

Vest ✅ Declarative validations framework

Official repository for Video Hub App

Video.js - open source HTML5 & Flash video player

🛠️ Standard Tooling for Vue.js Development

🚦 The official router for Vue.js.

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

📝 Minimalistic Vue-powered static site generator

Next-gen browser and mobile automation test framework for Node.js

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

The Julia Programming Language

A multiplatform assertion library for Kotlin

Hexagon is a microservices toolkit written in Kotlin. Its purpose is to ease the building of services (Web applications, APIs or queue consumers) that run inside a cloud platform.

A playground to gain a wider and deeper knowledge of the libraries in the Kotlin ecosystem. Also the official sample for gradle refreshVersions.

SirixDB is a temporal, evolutionary database system, which uses an accumulate only approach. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach called sliding snapshot.

This repository contains the pseudocode(pdf) of various algorithms and data structures necessary for Interview Preparation and Competitive Coding

📚 Collaborative cheatsheets for console commands

Remote Virtual Desktops Manager

Appwrite is a secure end-to-end backend server for Web, Mobile, and Flutter developers that is packaged as a set of Docker containers for easy deployment 🚀

A deployment tool written in PHP with support for popular frameworks out of the box

Simple forum software for building great communities.

Manage newsletters in Laravel

Liberating Web Analytics. Star us on Github? +1. Matomo is the leading open alternative to Google Analytics that gives you full control over your data. Matomo lets you easily collect data from websites & apps and visualise this data and extract insights. Privacy is built-in. We love Pull Requests!

☁️ Nextcloud server, a safe home for all your data

Invite System for GitHub Organizations

PHP Censor is an open source self-hosted continuous integration server for PHP projects.

A web interface for MySQL and MariaDB

PrestaShop is an Open Source e-commerce platform, committed to providing the best shopping cart experience for both merchants and customers.

The Symfony PHP framework

Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy and maintain. Automate everything from code deployment to network configuration to cloud management, in a language that approaches plain English, using SSH, with no agents to install on remote systems. https://docs.ansible.com.

Exploratory analysis of Bayesian models with Python

Interactive Data Visualization in the browser, from Python

Deduplicating archiver with compression and authenticated encryption.

Building a Better Democracy for the Internet Age

Colossal-AI: A Unified Deep Learning System for Large-Scale Parallel Training

A cross-platform command-line utility that creates projects from cookiecutters (project templates), e.g. Python package projects, C projects.

The boilerplate for aiohttp. Quick setup for your asynchronous web service.

A Python library for introductory data science

Cookiecutter Django is a framework for jumpstarting production-ready Django projects quickly.

Simple, Pythonic remote execution and deployment.

Realtime Web Apps and Dashboards for Python and R

Personal Assistant for Linux and macOS

A community-driven python bot that aims to be as simple as possible to serve humans with their everyday tasks

Jupyter Interactive Notebook

A generic JSON document store with sharing and synchronisation capabilities.

Mac-style shortcut keys for Linux & Windows.

A free & open modern, fast email client with user-friendly encryption and privacy features

matplotlib: plotting with Python

In-Database Machine Learning

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

The gpodder.net webservice

Optional static typing for Python

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

🤖 An open source chat-ops bot framework

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

The official repository for Babel, the Python Internationalization Library

A simple way to ping in Python

Tensors and Dynamic neural networks in Python with strong GPU acceleration

Software to automate the management and configuration of any infrastructure or application at scale. Get access to the Salt software package repository here:

scikit-learn: machine learning in Python

Scrapy, a fast high-level web crawling & scraping framework for Python.

Program made with Python and Pygame module for visualizing sorting algorithms

A computer algebra system written in pure Python

✨ Legesher's Python grammar for Tree-Sitter 🌳

The strictest and most opinionated python linter ever!

Zulip server and web app—powerful open source team chat

Bolt is an open source orchestration tool that automates the manual work it takes to maintain your infrastructure on an as-needed basis or as part of a greater orchestration workflow. It can be installed on your local workstation and connects directly to remote nodes with SSH or WinRM, so you are not required to install any agent software.

Open-source customer engagement suite, an alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale

A library for generating fake data such as names, addresses, and phone numbers.

Command-line role-playing game framework

The web, with simplicity.

JRuby, an implementation of Ruby on the JVM

Upload your own aerial images, position (rubbersheet) them in a web interface over existing map data, and share via web or composite and export for print.

Matestack enables you to create sophisticated, reactive UIs in pure Ruby, without touching JavaScript and HTML. You end up writing 50% less code while increasing productivity, maintainability and developer happiness.

Ohai profiles your system and emits JSON

Build and distribute Linux packages from sources in an automatic, consistent and reproducible way #obs

Open Source Event Manager. An event management tool tailored to Free and Open Source Software conferences.

a collaborative knowledge-exchange platform in Rails; we welcome first-time contributors!

Ruby on Rails

Classy web-development dressed in a DSL (official / canonical repo)

Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit

⚡️Lightning-fast linter for .env files. Written in Rust 🦀

An HTTP library for Rust

An Extensible, Concurrent Web Framework for Rust

A new type of shell

End-to-end encryption and mutual authentication for distributed applications.

A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/nightly/clippy/

Format Rust code

The Servo Browser Engine

Distributed transactional key-value database, originally created to complement TiDB

Play Framework

Wonderful reusable code from Twitter

Pharo is a dynamic reflective pure object-oriented language supporting live programming inspired by Smalltalk.

Native (Swift) version of Open Food Facts for iOS. Coders & Decoders welcome 🤳🥫 😊

Amplication is an open‑source development tool. It helps you develop quality Node.js applications without spending time on repetitive coding tasks.

Booster Cloud Framework

Conway's game of life web version!

Graphback - Out of the box GraphQL server and client

Realtime Web Apps and Dashboards for Python and R

Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.

Coding assistance for JupyterLab (code navigation + hover suggestions + linters + autocompletion + rename) using Language Server Protocol

Litmus helps SREs and developers practice chaos engineering in a Cloud-native way. Chaos experiments are published at the ChaosHub (https://hub.litmuschaos.io). Community notes is at https://hackmd.io/a4Zu_sH4TZGeih-xCimi3Q

tensorflowJS implementation of EfficientNet 🚀

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

Reatom is declarative state manager, designed for both simple and complex applications.

🦄 0-legacy, tiny & fast web framework as a replacement of Express

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

Monorepo for all the tooling which enables ESLint to support TypeScript

Visual Studio Code