Discover the Best Open-Source Community Projects Sorted by Stars

Get Insights into Stars Growth, Contributions, Diversity, Bus Factor, and Community Governance. Optimize Your Project's Performance and Collaborate with a Thriving Community.

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

careerscertificationcommunitycurriculumd3educationfreecodecamphacktoberfestjavascriptlearn-to-codemathnodejsnonprofitsprogrammingreactteachers

372,344

TheAlgorithms/Python

All Algorithms implemented in Python

algorithmalgorithm-competitionsalgorithms-implementedalgoscommunity-driveneducationhacktoberfestinterviewlearnpracticepythonsearchessorting-algorithmssorts

167,696

firstcontributions/first-contributions

🚀✨ Help beginners to contribute to open source projects

beginnerbeginner-friendlycommunitycontributioncontributionscontributions-welcomegood-first-issuehelp-wantedopen-sourcetutorialtutorials

37,393

FreeCodeCampChina/freecodecamp.cn

FCC China open source codebase and curriculum. Learn to code and help nonprofits.

careercertificationcn-freecodecampcommunitycurriculumd3educationfreecodecampjavascriptlearn-to-codemathnodejsnonprofitsreact

36,481

forem/forem

For empowering community 🌱

communitydiscussionfeedbackhacktoberfestopen-sourcerailsruby

20,890

TheAlgorithms/C

Collection of various algorithms in mathematics, machine learning, computer science, physics, etc implemented in C for educational purposes.

algorithm-challengesalgorithm-competitionsalgorithmsccommunity-drivencomputer-sciencedata-structuresdatastructureseducationeducationalhacktoberfestinterviewinterview-questionslearn-to-codemachine-learningmachine-learning-algorithmsmathematicssearchsort

16,781

JetBrains/intellij-community

IntelliJ IDEA Community Edition & IntelliJ Platform

code-editorideintellijintellij-communityintellij-platform

15,731

PerfectlySoft/Perfect

Server-side Swift. The Perfect core toolset and framework for Swift Developers. (For mobile back-end development, website and API development, and more…)

perfectserver-side-swiftswiftswift-frameworkswift-perfect-communityweb-application-framework

13,857

NodeBB/NodeBB

Node.js based forum software built for the modern web

communityforumhacktoberfestjavascriptmongodbnodenodebbnodejspostgresqlredissocket-iowebsockets

13,546

TheAlgorithms/Go

Algorithms and Data Structures implemented in Go for beginners, following best practices.

algorithmsalgorithms-implementedcommunity-drivendata-structuresdatastructureshacktoberfestinterviewinterview-preparationpreparationsearchsorting

13,223

answerdev/answer

A Q&A platform software for teams at any scales. Whether it’s a community forum, help center, or knowledge management platform, you can always count on Answer.

communityforumgogolangq-and-aquestionreacttypescipt

7,604

nayafia/lemonade-stand

A handy guide to financial support for open source

communitycontentdocumentationfundinglistsmoneysponsorships

7,169

ciderapp/Cider

A new cross-platform Apple Music experience based on Electron and Vue.js written from scratch with performance in mind. 🚀

apple-musicapplemusicaudioaudio-playeraudio-streamingcidercommunityelectronhacktoberfestituneslinuxlyricsmacosmusicmusic-librarymusic-playeropen-sourcewindows

6,579

open-source-ideas/ideas

💡 Looking for inspiration for your next open source project? Or perhaps you've got a brilliant idea you can't wait to share with others? Open Source Ideas is a community built specifically for this! 👋

communityhacktoberfestideasopen-sourceopen-source-communityopen-source-initiative

6,314