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Good First Issue curates easy pickings from popular open-source projects, and helps you make your first contribution to open-source.
Browse by language
Mumble is an open-source, low-latency, high quality voice chat software.
lang: C++
stars: 6.32K
last activity: 6 hours ago
Official git repository for Biopython (originally converted from CVS)
lang: Python
stars: 4.34K
last activity: 3 days ago
Your unofficial guide to doing dotfiles on GitHub.
lang: Sass
stars: 1.44K
last activity: 2 days ago
Contour is a Kubernetes ingress controller using Envoy proxy.
lang: Go
stars: 3.71K
last activity: 4 days ago
Runtime Security Enforcement System. Workload hardening/sandboxing and implementing least-permissive policies made easy leveraging LSMs (BPF-LSM, AppArmor).
lang: Go
stars: 1.46K
last activity: 2 days ago
a delightful machine learning tool that allows you to train, test, and use models without writing code
lang: Python
stars: 3.08K
last activity: a year ago
matplotlib: plotting with Python
lang: Python
stars: 20.07K
last activity: 2 days ago
A safe, extensible ORM and Query Builder for Rust
lang: Rust
stars: 12.63K
last activity: 4 days ago
Coq is a formal proof management system. It provides a formal language to write mathematical definitions, executable algorithms and theorems together with an environment for semi-interactive development of machine-checked proofs.
lang: OCaml
stars: 4.81K
last activity: 2 days ago
The AWS Provider enables Terraform to manage AWS resources.
lang: Go
stars: 9.77K
last activity: a day ago
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
lang: Python
stars: 43.42K
last activity: 15 hours ago
An open source Vagrant configuration for developing with WordPress
lang: Shell
stars: 4.54K
last activity: 11 days ago
Statsmodels: statistical modeling and econometrics in Python
lang: Python
stars: 10.03K
last activity: 3 days ago
A time tracking app that respects your privacy and the gets the job done without being fancy.
lang: Dart
stars: 823
last activity: 2 months ago
Tensors and Dynamic neural networks in Python with strong GPU acceleration
lang: Python
stars: 82.7K
last activity: 11 minutes ago
ML.NET is an open source and cross-platform machine learning framework for .NET.
lang: C#
stars: 9.02K
last activity: an hour ago
:zap: Walt is a JavaScript-like syntax for WebAssembly text format :zap:
lang: JavaScript
stars: 4.64K
last activity: 2 years ago
Personal CRM. Remember everything about your friends, family and business relationships.
lang: PHP
stars: 21.52K
last activity: a month ago
ActivityPub-federated video streaming platform using P2P directly in your web browser
lang: TypeScript
stars: 13K
last activity: 3 days ago
GlobaLeaks is free, open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.
lang: Python
stars: 1.22K
last activity: 16 hours ago
The Block Editor project for WordPress and beyond. Plugin is available from the official repository.
lang: JavaScript
stars: 10.41K
last activity: 8 hours ago
Bitcoin Core integration/staging tree
lang: C++
stars: 78.7K
last activity: 17 hours ago
Dynamic Instrumentation Tool Platform
lang: C
stars: 2.63K
last activity: a day ago
Android Uiautomator2 Python Wrapper
lang: Python
stars: 6.48K
last activity: 12 days ago
Evaluate OMR sheets fast and accurately using a scanner 🖨 or your phone 🤳.
lang: Python
stars: 752
last activity: 2 hours ago
An open source fork of Windows Live Writer
lang: C#
stars: 2.45K
last activity: 3 months ago
A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.
lang: TypeScript
stars: 27.8K
last activity: 3 days ago
The best React-based framework with performance, scalability and security built in.
lang: JavaScript
stars: 55.25K
last activity: 2 days ago
Create your js components with ease! Stramilne your development process
lang: JavaScript
stars: 37
last activity: a month ago
Multipass orchestrates virtual Ubuntu instances
lang: C++
stars: 7.76K
last activity: 2 days ago
Build cross-platform Native Progressive Web Apps for iOS, Android, and the Web ⚡️
lang: TypeScript
stars: 12K
last activity: 2 days ago
Read/sync your IMAP mailboxes (python2) [LEGACY: move to offlineimap3]
lang: Python
stars: 1.78K
last activity: a year ago
Open Source eCommerce Framework on Symfony
lang: PHP
stars: 7.88K
last activity: 6 hours ago
Python reference implementation of The Update Framework (TUF)
lang: Python
stars: 1.62K
last activity: 5 days ago
An alternative side effect model for Redux apps
lang: JavaScript
stars: 22.53K
last activity: 24 days ago
All-in-one infrastructure for search, recommendations, RAG, and analytics offered via API
lang: Rust
stars: 1.44K
last activity: a day ago
a C logging library built for performance and features
lang: C
stars: 443
last activity: 4 days ago
QuestDB is an open source time-series database for fast ingest and SQL queries
lang: Java
stars: 14.4K
last activity: 2 days ago
A free, self-hostable news aggregator…
lang: PHP
stars: 9.58K
last activity: 18 hours ago
CLI for building apps using Cloud Native Buildpacks
lang: Go
stars: 2.56K
last activity: 17 days ago
Stop Analyzing API is the core module of Tinder like tool to help your customers make up their mind with no pain
lang: Go
stars: 23
last activity: 3 years ago
Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
lang: Go
stars: 44.43K
last activity: 8 hours ago
Mutation testing for .NET core and .NET framework!
lang: C#
stars: 1.77K
last activity: 2 days ago
Easy to maintain open source documentation websites.
lang: TypeScript
stars: 55.97K
last activity: 2 days ago
Astronomy and astrophysics core library
lang: Python
stars: 4.39K
last activity: 19 hours ago
SVG icons for popular brands
lang: JavaScript
stars: 20.6K
last activity: 7 hours ago
Free and open log management
lang: Java
stars: 7.35K
last activity: 2 days ago
A computer algebra system written in pure Python
lang: Python
stars: 12.84K
last activity: 2 days ago
React carousel component
lang: JavaScript
stars: 11.73K
last activity: 4 months ago
an easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.
lang: Java
stars: 30.12K
last activity: 3 days ago
Dapr is a portable, event-driven, runtime for building distributed applications across cloud and edge.
lang: Go
stars: 23.9K
last activity: a day ago
A lightning-fast search API that fits effortlessly into your apps, websites, and workflow
lang: Rust
stars: 46.78K
last activity: 3 days ago
External Secrets Operator reads information from a third-party service like AWS Secrets Manager and automatically injects the values as Kubernetes Secrets.
lang: Go
stars: 4.35K
last activity: 11 hours ago
Aurora Editor is a IDE built by the community, for the community, and written in Swift for the best native performance and feel for macOS.
lang: Swift
stars: 1.1K
last activity: 3 days ago
Highly performant and modular controls for node-based editors designed for data-binding and MVVM.
lang: C#
stars: 1.33K
last activity: 4 days ago
🖥️ Desktop Syncing Client for ownCloud
lang: C++
stars: 1.4K
last activity: 5 hours ago
Python bindings for the Chromium Embedded Framework (CEF)
lang: C++
stars: 3.07K
last activity: 4 months ago
Rust / Wasm framework for creating reliable and efficient web applications
lang: MDX
stars: 30.61K
last activity: 2 days ago
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
lang: Python
stars: 21.3K
last activity: a day ago
EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.
lang: C#
stars: 13.69K
last activity: a day ago
A minimal, idiomatic Scala interface for HTTP
lang: Scala
stars: 2.55K
last activity: 21 hours ago
A declarative JavaScript library for application development using cloud services.
lang: TypeScript
stars: 9.42K
last activity: a day ago
Literate scientific computing and communication for the web
lang: JavaScript
stars: 1.49K
last activity: 2 years ago
🏗 Build container images for your Java applications.
lang: Java
stars: 13.63K
last activity: 19 days ago
A library for easy and efficient manipulation of tensor networks.
lang: Python
stars: 1.8K
last activity: a year ago
A fast and easy-to-use CDN, built with Go.
lang: Go
stars: 133
last activity: 22 days ago
a Productive Parallel Programming Language
lang: Chapel
stars: 1.78K
last activity: a day ago
Simple and Distributed Machine Learning
lang: Scala
stars: 5.05K
last activity: 4 days ago
React Native Contacts
lang: Java
stars: 1.64K
last activity: 5 days ago
SnowFS - a fast, scalable version control file storage for graphic files :art:
lang: TypeScript
stars: 1.3K
last activity: a year ago
Distributed Stream Processing
lang: Pony
stars: 1.48K
last activity: 3 years ago
Qiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.
lang: Python
stars: 5.12K
last activity: 3 hours ago
A Vim-like interface for Firefox, inspired by Vimperator/Pentadactyl.
lang: TypeScript
stars: 5.2K
last activity: 14 days ago
Mono open source ECMA CLI, C# and .NET implementation.
lang: C#
stars: 11.11K
last activity: a month ago
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
lang: C#
stars: 3.32K
last activity: 15 days ago
Go implementation of Ethereum proof of stake
lang: Go
stars: 3.46K
last activity: 20 hours ago
⚡️Lightning-fast linter for .env files. Written in Rust 🦀
lang: Rust
stars: 1.82K
last activity: a month ago
Meshery, the cloud native manager
lang: JavaScript
stars: 5.86K
last activity: 8 hours ago
Commerce Search & Discovery frontend web components
lang: TypeScript
stars: 79
last activity: a day ago
Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
lang: TypeScript
stars: 11.12K
last activity: 3 days ago
Run your tests at the speed of thought
lang: Vim Script
stars: 2.98K
last activity: 19 days ago
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
lang: C
stars: 10.61K
last activity: 12 hours ago
The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
lang: JavaScript
stars: 28.7K
last activity: 2 months ago
Lightweight, robust, elegant syntax highlighting.
lang: JavaScript
stars: 12.26K
last activity: 2 months ago
Apollo Universal Starter Kit is a SEO-friendly, fully-configured, modular starter application that helps developers to streamline web, server, and mobile development with cutting-edge technologies and ultimate code reuse.
lang: JavaScript
stars: 1.68K
last activity: 10 months ago
Strongbox is an artifact repository manager.
lang: Java
stars: 609
last activity: 10 months ago
An active model wrapper for the Neo4j Graph Database for Ruby.
lang: Ruby
stars: 1.4K
last activity: 10 days ago
Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)
lang: Go
stars: 19.33K
last activity: a day ago
The Ember.js command line utility.
lang: JavaScript
stars: 3.26K
last activity: a day ago
Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.
lang: PHP
stars: 5.32K
last activity: 15 hours ago
Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.
lang: C++
stars: 10.32K
last activity: 10 hours ago
An extensible multilanguage static code analyzer.
lang: Java
stars: 4.84K
last activity: 2 days ago
Deep universal probabilistic programming with Python and PyTorch
lang: Python
stars: 8.51K
last activity: 8 days ago
Learn Rust with examples (Live code editor included)
lang: Handlebars
stars: 7K
last activity: 6 days ago
Application for managing recipes, planning meals, building shopping lists and much much more!
lang: HTML
stars: 5.36K
last activity: a day ago
A libre lightweight streaming front-end for Android.
lang: Java
stars: 31.23K
last activity: 12 days ago
OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.
lang: C++
stars: 1.58K
last activity: 3 days ago
Free (as in freedom) open source clone of the Age of Empires II engine 🚀
lang: Python
stars: 12.69K
last activity: 13 hours ago
Stop Analyzing interaction component to be embedded in your website
lang: CSS
stars: 44
last activity: 2 years ago
Avogadro libraries provide 3D rendering, visualization, analysis and data processing useful in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas.
lang: C++
stars: 442
last activity: 5 hours ago
An open source, turn-based strategy game with a high fantasy theme.
lang: C++
stars: 5.49K
last activity: 7 hours ago
A TypeScript-like language for WebAssembly.
lang: WebAssembly
stars: 16.82K
last activity: 9 days ago
Vuestic Admin is an open-source, ready-to-use admin template suite designed for rapid development, easy maintenance, and high accessibility. Built on Vuestic UI, Vue 3, Vite, Pinia, and Tailwind CSS. Maintained by Epicmax (@epicmaxco).
lang: Vue
stars: 10.5K
last activity: 9 days ago
🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.
lang: Java
stars: 25.25K
last activity: a day ago
The system statistics collection daemon. Please send Pull Requests here!
lang: C
stars: 3.17K
last activity: 2 months ago
An open source trusted cloud native registry project that stores, signs, and scans content.
lang: Go
stars: 23.82K
last activity: 6 days ago
A distributed, fast open-source graph database featuring horizontal scalability and high availability
lang: C++
stars: 10.69K
last activity: 6 days ago
Breeze is/was a numerical processing library for Scala.
lang: Scala
stars: 3.45K
last activity: a month ago
A classic inspired shoot em' up game written in Java with JavaFX and FXGL.
lang: Java
stars: 22
last activity: a month ago
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
lang: Ruby
stars: 20.7K
last activity: 4 hours ago
Function graph tracer for C/C++/Rust/Python
lang: C
stars: 3.03K
last activity: 2 days ago
A flexible free and unlimited python tool to translate between different languages in a simple way using multiple translators.
lang: Python
stars: 1.55K
last activity: 2 months ago
Highly-available Distributed Fault-tolerant Runtime
lang: Rust
stars: 2.79K
last activity: a year ago
A Proof-oriented Programming Language
lang: F*
stars: 2.68K
last activity: 13 hours ago
Mars is a tensor-based unified framework for large-scale data computation which scales numpy, pandas, scikit-learn and Python functions.
lang: Python
stars: 2.7K
last activity: 9 months ago
UI Grid: an Angular Data Grid
lang: JavaScript
stars: 5.39K
last activity: 7 days ago
MlFinLab helps portfolio managers and traders who want to leverage the power of machine learning by providing reproducible, interpretable, and easy to use tools.
lang: Python
stars: 3.94K
last activity: a year ago
A decentralized bitcoin exchange network
lang: Java
stars: 4.69K
last activity: 3 days ago
🛒 Solidus, the open-source eCommerce framework for industry trailblazers.
lang: Ruby
stars: 4.99K
last activity: 2 days ago
One framework to develop, deploy and operate data workflows with Python and SQL.
lang: Python
stars: 426
last activity: 6 days ago