Labex
Hands-on, no-video labs for Linux, DevOps, and cybersecurity, guided by an AI assistant.
At a glance
Starts at
Free
Listed as free on the vendor's site.
Free tier
Yes
Platforms
Web, Linux
Best for
Self-taught learners practicing real command-line skills
Not for
People who prefer video-based courses
3.9 out of 5
Scored by Alex after real useOur verdict
LabEx teaches Linux, DevOps, cybersecurity, programming, and data science entirely through interactive labs and real projects, with no video lessons at all. An AI chatbot called Labby, built on ChatGPT, helps debug code and answer questions as you work through structured skill trees. It's aimed at people who learn by doing rather than watching, and some advanced certification tracks assume you already have basic command-line comfort.
✓What it does well
Hands-on labsEvery lesson runs in a real, interactive environment instead of a video.
AI debugging helpLabby, its ChatGPT-based assistant, helps debug code and answer questions as you go.
Certification-mapped pathsIt maps labs directly to exams like RHCSA, RHCE, and CompTIA Security+.
✕Where it falls short
No video lessonsThere are no video lessons at all, which won't suit people who prefer watching over doing.
Command-line focusIt leans on hands-on terminal work, so it assumes some basic comfort with the command line.
Narrow subject scopeIt only covers Linux, DevOps, cybersecurity, programming, and data science, not broader software topics.
Key features
Skill treesStructured skill trees guide you step by step through a subject.
Labby AI assistantAn AI chatbot answers questions and helps debug code during labs.
Real-world projectsYou apply what you learn by building actual projects, not just exercises.
Certification prepIt offers labs mapped to Linux, DevOps, and CompTIA certification exams.