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    130 repositories

    • id

      Public
      Sample code for using CS50 ID to authenticate users via HarvardKey, Princeton CAS, or Yale CAS.
      Python
      •0•5•0•1•Updated Sep 10, 2025Sep 10, 2025

    • problems

      Public
      Checks for check50
      Python
      •272•164•8•4•Updated Sep 9, 2025Sep 9, 2025

    • lectures

      Public
      Source code for CS50's lectures
      C
      •153•313•0•0•Updated Sep 9, 2025Sep 9, 2025

    • codespace

      Public
      PHP
      •
      GNU General Public License v3.0
      •402•153•4•2•Updated Sep 8, 2025Sep 8, 2025

    • cs50.vsix

      Public
      TypeScript
      •
      Other
      •1•7•1•0•Updated Sep 8, 2025Sep 8, 2025

    • ddb50.vsix

      Public
      TypeScript
      •
      GNU General Public License v3.0
      •10•40•2•0•Updated Sep 6, 2025Sep 6, 2025

    • jekyll-theme-cs50

      Public
      This is @cs50's theme for Jekyll. Inspired by https://github.com/poole/hyde.
      jekyll-pluginjekyll-theme
      SCSS
      •
      GNU General Public License v3.0
      •25•26•35•1•Updated Sep 3, 2025Sep 3, 2025

    • cli

      Public
      Dockerfile
      •
      GNU General Public License v3.0
      •19•19•2•1•Updated Aug 31, 2025Aug 31, 2025

    • server

      Public
      HTML
      •
      GNU General Public License v3.0
      •5•20•1•0•Updated Aug 30, 2025Aug 30, 2025

    • help50.vsix

      Public
      TypeScript
      •
      Other
      •0•1•0•0•Updated Aug 29, 2025Aug 29, 2025

    • lab50.vsix

      Public
      Inspired by https://github.com/lostintangent/workspace-layout/
      TypeScript
      •
      GNU General Public License v3.0
      •4•23•5•0•Updated Aug 29, 2025Aug 29, 2025

    • extension-uninstaller.vsix

      Public
      TypeScript
      •
      GNU General Public License v3.0
      •1•7•1•0•Updated Aug 29, 2025Aug 29, 2025

    • phpliteadmin.vsix

      Public
      TypeScript
      •
      Other
      •1•3•0•0•Updated Aug 29, 2025Aug 29, 2025

    • design50.vsix

      Public
      TypeScript
      •
      Other
      •2•2•0•0•Updated Aug 29, 2025Aug 29, 2025

    • explain50.vsix

      Public
      TypeScript
      •
      GNU General Public License v3.0
      •3•8•1•0•Updated Aug 29, 2025Aug 29, 2025

    • lib50

      Public
      This is lib50, CS50's own internal library used in many of its tools.
      Python
      •
      GNU General Public License v3.0
      •21•21•4•1•Updated Aug 12, 2025Aug 12, 2025

    • cs50.readthedocs.io

      Public
      CSS
      •528•238•10•6•Updated Aug 9, 2025Aug 9, 2025

    • check50

      Public
      This is check50, a command-line program with which you can check the correctness of your programs.
      Python
      •
      GNU General Public License v3.0
      •296•436•13•3•Updated Aug 8, 2025Aug 8, 2025

    • submit50

      Public
      This is submit50, CS50's command-line tool for submitting problems.
      Python
      •
      GNU General Public License v3.0
      •1k•486•6•1•Updated Aug 7, 2025Aug 7, 2025

    • check

      Public
      Shell
      •16•7•1•0•Updated Aug 7, 2025Aug 7, 2025

    • style50.vsix

      Public
      TypeScript
      •
      Other
      •0•4•1•0•Updated Aug 7, 2025Aug 7, 2025

    • render50

      Public
      Python
      •
      GNU General Public License v3.0
      •10•24•4•0•Updated Jul 31, 2025Jul 31, 2025

    • compare50

      Public
      This is compare50, a fast and extensible plagiarism-detection tool.
      Python
      •
      GNU General Public License v3.0
      •58•220•16•0•Updated Jul 31, 2025Jul 31, 2025

    • presentation-mode.vsix

      Public
      TypeScript
      •
      GNU General Public License v3.0
      •0•12•4•0•Updated Jul 6, 2025Jul 6, 2025

    • ai-workshop

      Public template
      Python
      •37•102•0•1•Updated Jun 19, 2025Jun 19, 2025

    • python-cs50

      Public
      This is CS50's library for Python.
      Python
      •
      GNU General Public License v3.0
      •285•764•2•2•Updated May 18, 2025May 18, 2025

    • cli50

      Public
      This is CS50's command-line interface.
      Python
      •
      GNU General Public License v3.0
      •10•19•4•0•Updated May 18, 2025May 18, 2025

    • style50

      Public
      Python
      •
      GNU General Public License v3.0
      •32•67•13•0•Updated May 18, 2025May 18, 2025

    • deploy-to-eb

      Public
      Shell
      •1•2•0•0•Updated Sep 10, 2024Sep 10, 2024

    • mysql

      Public
      Makefile
      •0•8•1•0•Updated Aug 2, 2024Aug 2, 2024