Learn Computer Science & Engineering the Open Way.

Free, open, and beginner-friendly documentation for all CSE subjects.

Browse Subjects

Explore Subjects divided Semester-wise for your convenience.

Semester-1

Basic Electrical and ElectronicsComing Soon
C ProgrammingEngineering Mathematics-1Engineering Physics
Engineering Graphics & DesignComing Soon
English CommunicationComing Soon

Semester-2

Digital Electronics & Logic CircuitsComing Soon
OOPs with JavaEngineering Mathematics-2
Data Structures using CComing Soon
Modern BiologyComing Soon
Environmental StudiesComing Soon

Semester-3

Problem Solving using PythonComing Soon
Computer Organization & ArchitectureComing Soon
Probability & StatisticsComing Soon
Theory of ComputationComing Soon
Information TechnologyComing Soon
Technical WritingComing Soon

More subjects coming soon!!!

Contributions are Welcome!

openCSE is community-driven. Want to add or improve docs? Contribute on GitHub.

GitHub Issues

Browse and Tackle Issues

Check out the available issues on our GitHub repository. Pick one to work on, or raise your own if you spot something new!

  • Find beginner-friendly and advanced issues
  • Discuss solutions and get feedback
  • Help us improve by reporting bugs or suggesting features

Every contribution, big or small, helps make openCSE better for everyone. Join us in building a great resource for CSE students!