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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.

High-level tracing language for Linux eBPF
lang: LLVM
stars: 8.15K
last activity: an hour ago
Your window into the Elastic Stack
lang: TypeScript
stars: 19.44K
last activity: 11 minutes ago
Tensors and Dynamic neural networks in Python with strong GPU acceleration
lang: Python
stars: 79.54K
last activity: 7 minutes ago
Image processing algorithms implementation in pure Python 🔧
lang: Python
stars: 19
last activity: 9 months ago
splinter - python test framework for web applications
lang: Python
stars: 2.69K
last activity: 6 hours ago
A python interface for interacting with the Ethereum blockchain and ecosystem.
lang: Python
stars: 4.87K
last activity: 11 hours ago
☁️ Nextcloud server, a safe home for all your data
lang: PHP
stars: 26.02K
last activity: 5 minutes ago
One framework for creating powerful cross-platform games.
lang: C#
stars: 11.03K
last activity: 16 hours ago
The source code that powers readthedocs.org
lang: Python
stars: 7.92K
last activity: 9 hours ago
Generative Art Marketplace
lang: Vue
stars: 607
last activity: 14 minutes ago
Web based localization tool with tight version control integration.
lang: Python
stars: 4.31K
last activity: 18 minutes ago
🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL.
lang: C
stars: 7.09K
last activity: a day ago
pmd / pmd
An extensible multilanguage static code analyzer.
lang: Java
stars: 4.71K
last activity: 6 days ago
React library for composing declarative forms, manage their state, handling their validation and much more.
lang: JavaScript
stars: 86
last activity: a month ago
React carousel component
lang: JavaScript
stars: 11.61K
last activity: 19 hours ago
A decentralized bitcoin exchange network
lang: Java
stars: 4.62K
last activity: 2 days ago
Grow Open Source
lang: JavaScript
stars: 1.78K
last activity: 25 days ago
A Proof-oriented Programming Language
lang: F*
stars: 2.64K
last activity: a day ago
Rust / Wasm framework for creating reliable and efficient web applications
lang: MDX
stars: 30.14K
last activity: 2 days ago
Guake / guake
Drop-down terminal for GNOME
lang: Python
stars: 4.36K
last activity: 19 days ago
Ward is a modern test framework for Python with a focus on productivity and readability.
lang: Python
stars: 1.2K
last activity: a day ago
Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...
lang: Java
stars: 3.26K
last activity: 7 hours ago
Build and deploy docker images to Kubernetes using git push
lang: Go
stars: 3.79K
last activity: 10 months ago
UNIX-like reverse engineering framework and command-line toolset
lang: C
stars: 19.88K
last activity: 5 minutes ago
A free, self-hostable news aggregator…
lang: PHP
stars: 8.82K
last activity: 9 hours ago
dapr / dapr
Dapr is a portable, event-driven, runtime for building distributed applications across cloud and edge.
lang: Go
stars: 23.49K
last activity: 9 hours ago
Networking plugin repository for pod networking in Kubernetes using Elastic Network Interfaces on AWS
lang: Go
stars: 2.22K
last activity: 2 hours ago
String validation
lang: JavaScript
stars: 22.74K
last activity: 4 days ago
casey / just
🤖 Just a command runner
lang: Rust
stars: 18.27K
last activity: 14 minutes ago
JSHint is a tool that helps to detect errors and potential problems in your JavaScript code
lang: JavaScript
stars: 8.95K
last activity: 10 months ago
TodoMVC for Flutter
lang: Dart
stars: 8.7K
last activity: 3 years ago
matplotlib: plotting with Python
lang: Python
stars: 19.56K
last activity: 2 hours 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: 42.44K
last activity: an hour ago
Component infrastructure and Material Design components for Angular
lang: TypeScript
stars: 24.18K
last activity: an hour ago
Generate types and converters from JSON, Schema, and GraphQL
lang: TypeScript
stars: 11.71K
last activity: 4 days ago
Podman: A tool for managing OCI containers and pods.
lang: Go
stars: 22.24K
last activity: 4 hours ago
The Pants Build System
lang: Python
stars: 3.17K
last activity: 3 hours ago
The React Framework
lang: JavaScript
stars: 122.32K
last activity: an hour ago
Home of the Joomla! Content Management System
lang: PHP
stars: 4.68K
last activity: an hour ago
The JavaScript and API powered WordPress.com
lang: JavaScript
stars: 12.38K
last activity: 22 minutes ago
CLI for building apps using Cloud Native Buildpacks
lang: Go
stars: 2.45K
last activity: a day ago
An open source trusted cloud native registry project that stores, signs, and scans content.
lang: Go
stars: 22.88K
last activity: an hour ago
OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.
lang: C++
stars: 1.56K
last activity: 2 hours ago
Apache Doris is an easy-to-use, high performance and unified analytics database.
lang: Java
stars: 11.72K
last activity: 3 minutes ago
Storybook is a frontend workshop for building UI components and pages in isolation. Made for UI development, testing, and documentation.
lang: TypeScript
stars: 83.24K
last activity: a minute ago
Terasology - open source voxel world
lang: Java
stars: 3.63K
last activity: 2 days ago
Apple Music...ish
lang: TypeScript
stars: 3.03K
last activity: 3 months ago
Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.
lang: TypeScript
stars: 43.95K
last activity: 9 hours ago
:zap: Walt is a JavaScript-like syntax for WebAssembly text format :zap:
lang: JavaScript
stars: 4.64K
last activity: a year 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: 3.83K
last activity: 9 months ago
Lightning Network Daemon ⚡️
lang: Go
stars: 7.54K
last activity: 3 hours ago
The core of our monitoring platform with a powerful configuration language and REST API.
lang: C++
stars: 1.97K
last activity: 17 hours ago
sbt / sbt
sbt, the interactive build tool
lang: Scala
stars: 4.76K
last activity: 3 days ago
awslabs / s2n
An implementation of the TLS/SSL protocols
lang: C
stars: 4.46K
last activity: 27 minutes ago
Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit
lang: Rust
stars: 7.35K
last activity: a month 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: 4.79K
last activity: 6 minutes ago
ESP8266 WiFi Connection manager with web captive portal
lang: C++
stars: 6.43K
last activity: a month ago
WordPress for Android
lang: Kotlin
stars: 2.93K
last activity: 9 hours ago
UI Grid: an Angular Data Grid
lang: JavaScript
stars: 5.39K
last activity: a day ago
kumahq / kuma
🐻 The multi-zone service mesh for containers, Kubernetes and VMs. Built with Envoy. CNCF Sandbox Project.
lang: Go
stars: 3.55K
last activity: 27 minutes 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: 6 months ago
🏆 Feature packed, easy-to-use game server API for Go back-ends and Javascript clients. Tutorials and examples included!
lang: Go
stars: 172
last activity: 3 months ago
A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/
lang: Rust
stars: 10.98K
last activity: 8 hours ago
Access serial ports with JavaScript. Linux, OSX and Windows. Welcome your robotic JavaScript overlords. Better yet, program them!
lang: TypeScript
stars: 5.74K
last activity: 20 hours ago
Lean Algorithmic Trading Engine by QuantConnect (Python, C#)
lang: C#
stars: 8.87K
last activity: 15 hours ago
Apache Traffic Server™ is a fast, scalable and extensible HTTP/1.1 and HTTP/2 compliant caching proxy server.
lang: C++
stars: 1.74K
last activity: 2 hours ago
Probabilistic reasoning and statistical analysis in TensorFlow
lang: Jupyter Notebook
stars: 4.15K
last activity: 9 days ago
Project Interaction Library for Emacs
lang: Emacs Lisp
stars: 3.94K
last activity: 24 days ago
Automated Machine Learning with scikit-learn
lang: Python
stars: 7.46K
last activity: 2 days ago
FastAPI framework, high performance, easy to learn, fast to code, ready for production
lang: Python
stars: 72.68K
last activity: 12 hours ago
Self hosted FLOSS fitness/workout, nutrition and weight tracker
lang: Python
stars: 2.89K
last activity: 8 hours ago
GitHub repository for the SecureDrop whistleblower platform. Do not submit tips here!
lang: Python
stars: 3.58K
last activity: 4 days ago
Free (as in freedom) open source clone of the Age of Empires II engine 🚀
lang: Python
stars: 12.48K
last activity: 17 days ago
Free universal database tool and SQL client
lang: Java
stars: 38.1K
last activity: 37 minutes ago
Swagger 2.0 implementation for go
lang: Go
stars: 9.34K
last activity: a month ago
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
lang: C
stars: 5.01K
last activity: 19 minutes ago
LMMS / lmms
Cross-platform music production software
lang: C++
stars: 7.74K
last activity: 11 hours ago
Run compilers interactively from your web browser and interact with the assembly
lang: TypeScript
stars: 15.51K
last activity: 7 hours ago
The ZAP core project
lang: Java
stars: 12.19K
last activity: 7 hours ago
.NET API Gateway
lang: C#
stars: 8.22K
last activity: 2 days ago
Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu/Terraform to scale.
lang: Go
stars: 7.74K
last activity: 10 hours ago
🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
lang: Rust
stars: 12.25K
last activity: a day ago
PHP Server Monitor
lang: JavaScript
stars: 2.14K
last activity: 3 months ago
Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.
lang: TypeScript
stars: 29.2K
last activity: 21 hours ago
Automated auditing, performance metrics, and best practices for the web.
lang: JavaScript
stars: 27.98K
last activity: 16 hours ago
🖥️ Desktop Syncing Client for ownCloud
lang: C++
stars: 1.38K
last activity: 3 minutes ago
CNCF Jaeger, a Distributed Tracing Platform
lang: Go
stars: 19.75K
last activity: 5 hours ago
An open source payments switch written in Rust to make payments fast, reliable and affordable
lang: Rust
stars: 10.96K
last activity: 14 minutes ago
A Chaos Engineering Platform for Kubernetes.
lang: Go
stars: 6.5K
last activity: 17 hours 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: 417
last activity: 3 days ago
A set of React components implementing Google's Material Design specification with the power of CSS Modules
lang: JavaScript
stars: 8.67K
last activity: 2 years ago
cuML - RAPIDS Machine Learning Library
lang: C++
stars: 4.02K
last activity: 5 hours ago
A modern load testing tool, using Go and JavaScript - https://k6.io
lang: Go
stars: 23.79K
last activity: 2 hours ago
A new type of shell
lang: Rust
stars: 30.73K
last activity: 3 hours ago
SnowFS - a fast, scalable version control file storage for graphic files :art:
lang: TypeScript
stars: 1.28K
last activity: 8 months ago
a Productive Parallel Programming Language
lang: Chapel
stars: 1.75K
last activity: 3 hours ago
Highly-available Distributed Fault-tolerant Runtime
lang: Rust
stars: 2.77K
last activity: a year ago
Next generation distributed, event-driven, parallel config management!
lang: Go
stars: 3.44K
last activity: 2 days ago
⚡ Serverless Framework – Use AWS Lambda and other managed cloud services to build apps that auto-scale, cost nothing when idle, and boast radically low maintenance.
lang: JavaScript
stars: 46.15K
last activity: 12 hours ago
An ACME Client for Let's Encrypt written in Rust to request SSL/TLS certificates.
lang: Rust
stars: 10
last activity: a month ago
Open Source search based on OpenStreetMap data
lang: Python
stars: 2.95K
last activity: 21 days ago
Automatically provision and manage TLS certificates in Kubernetes
lang: Go
stars: 11.65K
last activity: 4 hours ago
VanillaJS sortable lists and grids using native HTML5 drag and drop API.
lang: TypeScript
stars: 1.61K
last activity: 9 days ago
A collection of Terraform Modules to work with Coder.
lang: HCL
stars: 23
last activity: a day ago
A modified web browser that helps in responsive web development. A web developer's must have dev-tool.
lang: JavaScript
stars: 21.96K
last activity: 10 hours ago
Android Uiautomator2 Python Wrapper
lang: Python
stars: 6.11K
last activity: 13 days ago
A flexible free and unlimited python tool to translate between different languages in a simple way using multiple translators.
lang: Python
stars: 1.42K
last activity: 5 months ago
A time tracking app that respects your privacy and the gets the job done without being fancy.
lang: Dart
stars: 791
last activity: 16 days ago
Rust :heart: Emacs
lang: Emacs Lisp
stars: 4.58K
last activity: 3 years ago
Customize programming languages
lang: Python
stars: 38
last activity: 7 months ago
oppia / oppia
A free, online learning platform to make quality education accessible for all.
lang: Python
stars: 5.64K
last activity: 4 minutes ago
The pluggable natural language linter for text and markdown.
lang: TypeScript
stars: 2.78K
last activity: 13 hours ago
Delightful JavaScript Testing.
lang: TypeScript
stars: 43.78K
last activity: 18 hours ago
GlobaLeaks is free, open source software enabling anyone to easily set up and maintain a secure whistleblowing platform.
lang: Python
stars: 1.19K
last activity: 5 days ago
pypa / pip
The Python package installer
lang: Python
stars: 9.34K
last activity: 10 hours ago
Like Prometheus, but for logs.
lang: Go
stars: 22.61K
last activity: 3 minutes ago
A Django content management system focused on flexibility and user experience
lang: Python
stars: 17.49K
last activity: 12 hours ago
CockroachDB - the open source, cloud-native distributed SQL database.
lang: Go
stars: 29.41K
last activity: an hour ago
Python reference implementation of The Update Framework (TUF)
lang: Python
stars: 1.6K
last activity: a day ago
A fast static site generator in a single binary with everything built-in. https://www.getzola.org
lang: Rust
stars: 12.9K
last activity: a day ago
Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)
lang: TypeScript
stars: 61.04K
last activity: 15 hours ago
Repository for the EinsteinPy core package 🚀
lang: Python
stars: 594
last activity: 20 hours ago
Backup and migrate Kubernetes applications and their persistent volumes
lang: Go
stars: 8.37K
last activity: 2 days ago
scikit-learn: machine learning in Python
lang: Python
stars: 58.66K
last activity: 6 minutes ago
coq / coq
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: 4.68K
last activity: 2 minutes ago
😎 swag opportunities for developers
lang: JavaScript
stars: 4.23K
last activity: 2 months 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: 42.79K
last activity: 5 hours ago
GraphQL server with a focus on ease of use
lang: Go
stars: 4.61K
last activity: 2 months ago
Openverse is a search engine for openly-licensed media. This monorepo includes all application code.
lang: Python
stars: 212
last activity: 5 hours ago
Learn Robotics with JdeRobot
lang: Python
stars: 306
last activity: a day ago
Breeze is a numerical processing library for Scala.
lang: Scala
stars: 3.44K
last activity: 4 months ago
Astronomy and astrophysics core library
lang: Python
stars: 4.28K
last activity: 43 minutes ago
OWASP VulnerableApp Project: For Security Enthusiasts by Security Enthusiasts.
lang: Java
stars: 259
last activity: 2 months ago
Production infrastructure for machine learning at scale
lang: Go
stars: 8K
last activity: 7 days ago