Learn Tech, Step by Step
Every track has structured notes (the why and how) plus a cheatsheet (quick reference when you're building). Pick where you are.
Tech Tracks
Software Development
Web, backend, APIs, databases — full-stack from scratch.
Web Dev
JS
React
Node.js
Cybersecurity
Networking, ethical hacking, CTF, and defensive security.
Networking
Pen Testing
CTF
Data Science & ML
Python, ML algorithms, deep learning, and data pipelines.
Python
ML
Deep Learning
Cloud Computing
AWS, Azure, GCP — deploy, scale, and manage cloud infra.
AWS
Azure
Serverless
System Design
Architecture, scalability, databases, and distributed systems.
Architecture
Scaling
Databases
DevOps
Docker, Kubernetes, CI/CD pipelines, and infrastructure as code.
Docker
K8s
CI/CD
CS Fundamentals
DSA, operating systems, computer networks, and DBMS.
DSA
OS
Networks
DBMS
Programming Languages
Python, JavaScript, TypeScript, Go, Rust — deep dives per language.
Python
TypeScript
Go