Cheat Notes For Dummies is an open-source organization creating quick, beginner-friendly reference guides for tech concepts, tools, and languages.
Our mission: One cheat sheet for every major technology.
Learn fast. Reference faster. Build smarter.
- π Students β quick exam prep and syntax reference
- π» Developers β fast command and API lookup
- π¬ Researchers β technical quick reference
- π§βπΌ Professionals β just-in-time learning
| Icon | Category | Topics |
|---|---|---|
| ποΈ | Databases | SQL, NoSQL, ORMs, queries |
| π» | Computer Science | Algorithms, data structures, complexity |
| π’ | Mathematics | Linear algebra, calculus, statistics |
| π€ | AI & ML | Machine learning, deep learning, NLP, LLMs |
| π | Networking | TCP/IP, DNS, HTTP, protocols |
| π | Cybersecurity | Pentesting, hardening, tools |
| π§ | Linux & OS | Bash, commands, system admin |
| π₯οΈ | Hardware | CPU, memory, embedded systems |
| π§βπ» | Programming | Python, C++, Rust, JavaScript, Go, Java |
| π | Web Dev | HTML/CSS, React, APIs, Next.js |
| βοΈ | Cloud & DevOps | AWS, Docker, Kubernetes, CI/CD |
| Repository | Description |
|---|---|
| sql-cheatsheet | SQL fundamentals, joins, subqueries, and window functions |
More coming soon! See categories above.
Want to add a cheat sheet? Here's how:
- Fork the repository
- Create a branch:
git checkout -b feature/add-topic - Write your cheat sheet in Markdown (
.md) - Commit:
git commit -m "Add: topic cheat sheet" - Push and open a Pull Request
β Do:
- Keep it concise β reference guides, not textbooks
- Use clear formatting and code blocks
- Include practical examples
- Credit sources when applicable
All repositories are licensed under the MIT License.
You're free to use, fork, modify, and share.
| Platform | Link |
|---|---|
| π Website | cheatnotes.github.io |
| π» GitHub | @cheatnotes |
| π§ Email | awjunaid@proton.me |
| π€ Maintainer | @aw-junaid |
Made with β€οΈ for the community Β· Cheat Notes For Dummies Β© 2025β2026
