Foundations

• The Missing Semester of Your CS Education — shell, CLI, vim, debugging & profiling, git, packaging, and more recent tooling like agentic coding workflows
• roadmap.sh — visual learning roadmaps across roles and topics

Linux & security

• pwn.college — Linux first (start with Linux Luminarium), then cybersecurity
• Linux Quick Reference Guide
• man7.org — Linux system call and command man pages online

References

• MDN Web Docs — HTML, CSS, JavaScript, and web APIs
• vimhelp.org — full Vim user manual and reference

C++

• LearnCpp.com — free structured C++ tutorial from basics to modern C++
• cppreference.com — C and C++ language and standard library docs
• Effective Modern C++ — guidelines for writing effective C++11/C++14 (Meyers)

Rust

• The Rust Programming Language — official language book
• Rustlings — small interactive exercises alongside the book
• Exercism — mentored practice (Rust · C++)
• Zero to Production in Rust — backend Rust by building a production-style API
• Rust for Rustaceans — intermediate-to-advanced Rust beyond the official book

Algorithms

• Competitive Programmer's Handbook — competitive programming fundamentals
• CSES Problem Set — algorithms and data structures practice
• Introduction to Algorithms (CLRS) — classic algorithms textbook
• VisuAlgo — data structures and algorithms visualized with animations
• NeetCode — structured interview-style algorithm practice
• A2OJ Ladders — Codeforces practice ladders by rating / Div. 2 letter

System design

• System Design Mental Models (12-week) — mental-models roadmap before diving into implementation
• System Design Implementation Roadmap (26-week) — implementation-heavy path from fundamentals to AI-era design
• donnemartin/system-design-primer — broad open-source intro to designing systems at scale
• karanpratapsingh/system-design — structured system design interview prep
• ByteByteGo — real-world case studies — architecture writeups of companies like Netflix, Uber, Discord
• ByteByteGo — system design PDF — free visual system design PDF archive
• Marc Brooker's blog — distributed systems, AWS, and building at scale

Design patterns

• Refactoring Guru — Design Patterns — clear explanations of classic design patterns