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    • 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
      291427253Updated Jul 14, 2025Jul 14, 2025
    • problems

      Public
      Checks for check50
      Python
      26115851Updated Jul 9, 2025Jul 9, 2025
    • codespace

      Public
      PHP
      GNU General Public License v3.0
      38214655Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      GNU General Public License v3.0
      42350Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      Other
      0100Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      GNU General Public License v3.0
      103730Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      GNU General Public License v3.0
      1710Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      GNU General Public License v3.0
      01240Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      Other
      2100Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      Other
      1300Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      Other
      0410Updated Jul 6, 2025Jul 6, 2025
    • TypeScript
      GNU General Public License v3.0
      3810Updated Jul 5, 2025Jul 5, 2025
    • cs50.vsix

      Public
      TypeScript
      Other
      1710Updated Jul 5, 2025Jul 5, 2025
    • CSS
      52123396Updated Jul 5, 2025Jul 5, 2025
    • lectures

      Public
      Source code for CS50's lectures
      JavaScript
      15131100Updated Jun 25, 2025Jun 25, 2025
    • cli

      Public
      Dockerfile
      GNU General Public License v3.0
      191822Updated Jun 22, 2025Jun 22, 2025
    • ai-workshop

      Public template
      Python
      3710201Updated Jun 19, 2025Jun 19, 2025
    • render50

      Public
      Python
      GNU General Public License v3.0
      102460Updated May 27, 2025May 27, 2025
    • check

      Public
      Dockerfile
      16720Updated May 20, 2025May 20, 2025
    • This is @cs50's theme for Jekyll. Inspired by https://github.com/poole/hyde.
      SCSS
      MIT License
      2525373Updated May 19, 2025May 19, 2025
    • server

      Public
      HTML
      52011Updated May 19, 2025May 19, 2025
    • This is CS50's library for Python.
      Python
      GNU General Public License v3.0
      28175022Updated May 18, 2025May 18, 2025
    • compare50

      Public
      This is compare50, a fast and extensible plagiarism-detection tool.
      Python
      GNU General Public License v3.0
      55214331Updated May 18, 2025May 18, 2025
    • cli50

      Public
      This is CS50's command-line interface.
      Python
      GNU General Public License v3.0
      91940Updated May 18, 2025May 18, 2025
    • lib50

      Public
      This is lib50, CS50's own internal library used in many of its tools.
      Python
      GNU General Public License v3.0
      192193Updated May 18, 2025May 18, 2025
    • style50

      Public
      Python
      GNU General Public License v3.0
      3167140Updated May 18, 2025May 18, 2025
    • submit50

      Public
      This is submit50, CS50's command-line tool for submitting problems.
      Python
      GNU General Public License v3.0
      99747470Updated May 18, 2025May 18, 2025
    • id

      Public
      Sample code for using CS50 ID to authenticate users via HarvardKey, Princeton CAS, or Yale CAS.
      Python
      0502Updated Jan 14, 2025Jan 14, 2025
    • Shell
      1200Updated Sep 10, 2024Sep 10, 2024
    • mysql

      Public
      Makefile
      0810Updated Aug 2, 2024Aug 2, 2024