Repositories list

• cs50.vsix

  Public

  cs50/cs50.vsix’s past year of commit activity
  TypeScript

  •

  Other

  •11 fork•88 stars•11 issue•77 pull requests•Updated Apr 3, 2026Apr 3, 2026

• jekyll-theme-cs50

  Public

  cs50/jekyll-theme-cs50’s past year of commit activity
  This is @cs50's theme for Jekyll. Inspired by https://github.com/poole/hyde.

  jekyll-pluginjekyll-theme

  jekyll-pluginjekyll-theme

  SCSS

  •

  GNU General Public License v3.0

  •2626 forks•2727 stars•3434 issues•22 pull requests•Updated Mar 22, 2026Mar 22, 2026

• codespace

  Public

  cs50/codespace’s past year of commit activity
  PHP

  •

  GNU General Public License v3.0

  •429429 forks•174174 stars•44 issues•44 pull requests•Updated Mar 21, 2026Mar 21, 2026

• style50.vsix

  Public
  TypeScript

  •

  Other

  •00 forks•55 stars•11 issue•00 pull requests•Updated Mar 21, 2026Mar 21, 2026

• cli

  Public

  cs50/cli’s past year of commit activity
  Dockerfile

  •

  GNU General Public License v3.0

  •2121 forks•2424 stars•33 issues•22 pull requests•Updated Mar 21, 2026Mar 21, 2026

• style50

  Public

  cs50/style50’s past year of commit activity
  Python

  •

  GNU General Public License v3.0

  •3434 forks•7272 stars•1313 issues•11 pull request•Updated Mar 21, 2026Mar 21, 2026

• check

  Public

  cs50/check’s past year of commit activity
  Shell

  •1616 forks•77 stars•11 issue•00 pull requests•Updated Mar 21, 2026Mar 21, 2026

• problems

  Public

  cs50/problems’s past year of commit activity
  Checks for check50

  Python

  •285285 forks•180180 stars•1414 issues•66 pull requests•Updated Mar 9, 2026Mar 9, 2026

• server

  Public
  HTML

  •

  GNU General Public License v3.0

  •66 forks•2323 stars•11 issue•00 pull requests•Updated Mar 8, 2026Mar 8, 2026

• cs50.readthedocs.io

  Public

  cs50/cs50.readthedocs.io’s past year of commit activity
  CSS

  •529529 forks•250250 stars•1111 issues•66 pull requests•Updated Mar 1, 2026Mar 1, 2026

• check50

  Public

  cs50/check50’s past year of commit activity
  This is check50, a command-line program with which you can check the correctness of your programs.

  Python

  •

  GNU General Public License v3.0

  •303303 forks•454454 stars•1414 issues•66 pull requests•Updated Feb 25, 2026Feb 25, 2026

• ai-workshop

  Public template

  cs50/ai-workshop’s past year of commit activity
  Python

  •4040 forks•117117 stars•00 issues•11 pull request•Updated Feb 18, 2026Feb 18, 2026

• render50

  Public
  Python

  •

  GNU General Public License v3.0

  •1111 forks•2525 stars•44 issues•11 pull request•Updated Jan 22, 2026Jan 22, 2026

• submit50

  Public
  This is submit50, CS50's command-line tool for submitting problems.

  Python

  •

  GNU General Public License v3.0

  •1k1k forks•513513 stars•66 issues•11 pull request•Updated Jan 22, 2026Jan 22, 2026

• php-cs50

  Public

  cs50/php-cs50’s past year of commit activity
  CS50 Library for PHP

  PHP

  •

  MIT License

  •55 forks•1111 stars•00 issues•00 pull requests•Updated Jan 22, 2026Jan 22, 2026

• libcs50-java

  Public

  cs50/libcs50-java’s past year of commit activity
  CS50 Library for Java

  Java

  •

  GNU General Public License v3.0

  •1111 forks•2323 stars•11 issue•00 pull requests•Updated Jan 22, 2026Jan 22, 2026

• libcs50

  Public

  cs50/libcs50’s past year of commit activity
  This is CS50's Library for C.

  c

  c

  C

  •

  GNU General Public License v3.0

  •900900 forks•2.1k2.1k stars•2828 issues•1212 pull requests•Updated Jan 22, 2026Jan 22, 2026

• cli50

  Public

  cs50/cli50’s past year of commit activity
  This is CS50's command-line interface.

  Python

  •

  GNU General Public License v3.0

  •1010 forks•2323 stars•44 issues•00 pull requests•Updated Jan 22, 2026Jan 22, 2026

• python-cs50

  Public
  This is CS50's library for Python.

  Python

  •

  GNU General Public License v3.0

  •299299 forks•826826 stars•22 issues•11 pull request•Updated Jan 22, 2026Jan 22, 2026

• lib50

  Public

  cs50/lib50’s past year of commit activity
  This is lib50, CS50's own internal library used in many of its tools.

  Python

  •

  GNU General Public License v3.0

  •2222 forks•2323 stars•44 issues•00 pull requests•Updated Jan 20, 2026Jan 20, 2026

• id

  Public

  cs50/id’s past year of commit activity
  Sample code for using CS50 ID to authenticate users via HarvardKey, Princeton CAS, or Yale CAS.

  Python

  •00 forks•55 stars•00 issues•44 pull requests•Updated Jan 8, 2026Jan 8, 2026

• compare50

  Public

  cs50/compare50’s past year of commit activity
  This is compare50, a fast and extensible plagiarism-detection tool.

  Python

  •

  GNU General Public License v3.0

  •6565 forks•230230 stars•1717 issues•22 pull requests•Updated Jan 4, 2026Jan 4, 2026

• help.cs50.net

  Public

  cs50/help.cs50.net’s past year of commit activity
  Python

  •

  GNU General Public License v3.0

  •55 forks•88 stars•55 issues•22 pull requests•Updated Jan 4, 2026Jan 4, 2026

• draw.cs50.io

  Public

  cs50/draw.cs50.io’s past year of commit activity
  JavaScript

  •77 forks•1010 stars•22 issues•22 pull requests•Updated Jan 4, 2026Jan 4, 2026

• lectures

  Public
  Source code for CS50's lectures

  JavaScript

  •154154 forks•337337 stars•00 issues•11 pull request•Updated Jan 2, 2026Jan 2, 2026

• lab50.vsix

  Public

  cs50/lab50.vsix’s past year of commit activity
  Inspired by https://github.com/lostintangent/workspace-layout/

  TypeScript

  •

  GNU General Public License v3.0

  •44 forks•2424 stars•55 issues•00 pull requests•Updated Dec 30, 2025Dec 30, 2025

• help50.vsix

  Public

  cs50/help50.vsix’s past year of commit activity
  TypeScript

  •

  Other

  •00 forks•22 stars•00 issues•00 pull requests•Updated Dec 30, 2025Dec 30, 2025

• presentation-mode.vsix

  Public

  cs50/presentation-mode.vsix’s past year of commit activity
  TypeScript

  •

  GNU General Public License v3.0

  •00 forks•1313 stars•44 issues•00 pull requests•Updated Dec 30, 2025Dec 30, 2025

• phpliteadmin.vsix

  Public

  cs50/phpliteadmin.vsix’s past year of commit activity
  TypeScript

  •

  Other

  •11 fork•44 stars•00 issues•00 pull requests•Updated Dec 30, 2025Dec 30, 2025

• extension-uninstaller.vsix

  Public

  cs50/extension-uninstaller.vsix’s past year of commit activity
  TypeScript

  •

  GNU General Public License v3.0

  •11 fork•1010 stars•11 issue•00 pull requests•Updated Dec 30, 2025Dec 30, 2025