AP
Agentic Playbook
computer-science·Beginner·Last tested: 2026-03·~5 min read

Open Source Society University - Computer Science

The OSSU curriculum provides a complete, free education in computer science using online materials from top universities like MIT, Harvard, and Princeton. It follows undergraduate CS degree requirements and takes roughly 2 years with 20 hours/week of study.

What it provides

  • Structured curriculum organized into Intro CS, Core CS, Advanced CS, and Final Project
  • Curated course selection from universities meeting rigorous quality standards
  • Self-paced learning with community support through Discord and GitHub
  • Cost-effective education - all materials free, optional paid certificates available
  • Flexible progression - work alone or in groups, in order or customized sequence
  • Real credentials - add "Open Source Society University" to your LinkedIn profile

Getting started

No installation required. The curriculum is accessible through:

# Main resources
Website: https://cs.ossu.dev
Repository: https://github.com/ossu/computer-science
Community: Discord server (link in repo)
Info

Use the provided spreadsheet to estimate completion time based on your weekly study hours.

Basic approach

  1. Prerequisites: Complete high school math (algebra, geometry, pre-calculus)
  2. Intro CS: Try introductory programming to gauge interest
  3. Core CS: Complete foundational courses in programming, math, systems, theory
  4. Advanced CS: Choose specialization electives based on interests
  5. Final Project: Demonstrate knowledge through peer-evaluated project
Warning

Avoid outdated third-party materials. Only use the official website or GitHub repository.

Project details

License: MIT
Language: HTML (documentation)
Community: 202K+ GitHub stars, active Discord server
Topics: Computer science curriculum, educational resources, self-taught learning