Your AI-Powered
Engineering Mentor
Personalized roadmaps, expert lessons, and real interview prep — built just for you.
Join 2,000+ engineers already learning
What do you want to master?
Type any tech topic and get a structured, AI-built learning path in seconds.
People also generate roadmaps for:
Trusted by engineers at
Learn like a senior engineer
taught you personally
Three steps from idea to production-ready understanding.
Tell us what you want to learn
Enter any tech topic and your current skill level. We handle the rest.
AI builds your personalized path
Get a structured roadmap with curated topics, time estimates, and dependency-aware learning order.
Learn, practice, get certified
Stream lessons, take adaptive quizzes, chat with your AI mentor, and earn a verified certificate.
Everything you need to go
from learning to hired
Built for engineers who want real depth, not surface-level tutorials.
AI Roadmaps
Structured learning paths for any tech topic, personalized to your level with dependency-aware ordering.
Streaming Lessons
7-section lessons generated in real-time, word by word — like a mentor explaining just for you.
Interactive Quizzes
Recall, application, and trade-off questions generated per topic to test real depth.
AI Mentor Chat
Ask anything about any topic. Explain mode or Interview mode — you choose the depth.
Interview Prep
Real interview questions per topic with expert sample answers. Practice before the real thing.
Completion Certificates
Earn verified certificates when you complete roadmaps and pass quizzes. Shareable on LinkedIn.
Four habits we quietly replaced
This is what changes for an engineer once CrackLab is part of the routine.
Binging courses that never quite match where you actually are
A roadmap the AI recalibrates to your exact skill level and goal
Screenshotting an error and waiting on a forum reply
Asking the AI mentor mid-lesson and getting answered in seconds
Finishing a course and forgetting most of it a week later
Quizzes, production scenarios, and interview prep built into every topic
Five logins, five renewal dates, five separate invoices
DesignHub, AI Engineering, and Gen AI — inside one CrackLab plan
Ace every System Design interview.
208 topics from high-level architecture to low-level design and code. Study HLD patterns, work through LLD breakdowns, and practice real interview scenarios — all with AI that explains like a senior engineer.
✦ AI Expert Chat
Walk me through how you'd design a distributed cache. Start with the consistency model you'd choose...
✦ Deep Dive with AI
Walk me through Agentic RAG with a real-world example, step by step...
Master LLMs, RAG & AI agents.
74+ topics from LLM foundations to production AI systems. Study RAG architectures, fine-tuning, MCP, and multi-agent orchestration — with an AI that gives real examples and lets you go deeper on anything.
Master Prompting, RAG & fine-tuning.
158 topics from Python and NLP foundations through transformers, prompt engineering, RAG pipelines, and fine-tuned LLMs — plus three real industry projects, all with an AI tutor that adapts to your pace.
✦ AI Tutor
Walk me through building a RAG pipeline from chunking to retrieval, step by step...
✦ Instant Generation
Tap “AWS” → a full visual roadmap, all skill levels, generated in under a minute.
Don't start from a blank page. Pick a roadmap instead.
Browse 90+ curated roles and skills — Frontend, System Design, DevOps, AWS, and more. Pick one and CrackLab builds a full AI visual roadmap on the spot, every skill level included, zero typing required.
Learn AWS the way you'll actually use it.
63 topics across 15 categories — compute, storage, networking, databases, and the certification-exam favorites — each with an AI that generates the right diagram for the concept, not the same boxes-and-arrows picture every time.
✦ Generate Visual Representation
Auto Scaling & ELB → the AI picks architecture, not a generic flowchart...
✦ Deep Dive with AI
Theory, real code explained line by line, and how else this gets asked...
Every question you'll actually get asked.
760+ real interview questions across Java, Spring Boot & Microservices, Design Patterns, System Design, DevOps & AWS, and company-round scenarios — see the question in one line, then let AI build the complete answer when you're ready.
Learn it, then nail the interview.
Transactions, ACID, isolation levels, locking & MVCC, distributed transactions (2PC, Saga, Outbox/CDC) — story-driven chapters to learn it from scratch, plus a real interview question bank with an AI tutor that builds the complete answer on demand.
✦ AI Deep Dive on Demand
“Why is 2PC rarely chosen at scale?” → full answer, code, and diagram, generated on demand...
Containers, orchestration, production-ready.
Docker & Kubernetes — images, networking, volumes, Compose, Pods, Deployments, scaling, scheduling, security & production operations — story-driven chapters to learn it from scratch, plus a real interview question bank with an AI tutor that builds the complete answer on demand.
✦ AI Deep Dive on Demand
“Why does Kubernetes recommend an odd number of control plane nodes?” → full answer, code, and diagram, generated on demand...
Spring Boot to production, end to end.
Spring Boot, Spring Data JPA & Hibernate, Spring Security, Spring AI, Kafka & Spring Cloud — IoC, ORM internals, REST APIs, JWT auth, RAG, tool calling, MCP, resilience patterns, distributed transactions & production operations — story-driven chapters to learn it from scratch, plus a real interview question bank with an AI tutor that builds the complete answer on demand.
✦ AI Deep Dive on Demand
“Why can naive automatic retries on a Kafka producer introduce message duplication?” → full answer, code, and diagram, generated on demand...
The library keeps growing
New tracks land here regularly — already included in Pro and Power, no extra charge when they ship.
Data Structures & Algorithms
Arrays to graphs, with interview-style walkthroughs and complexity breakdowns.
Go for Backend Engineers
Concurrency, performance, and idiomatic patterns for backend services.
Rust Fundamentals
Ownership, memory safety, and systems programming from first principles.
Or learn from a YouTube video
Paste any tutorial URL and we'll turn it into a structured roadmap with lessons.
See it in action
Explore the platform before you sign up.
📍 System Design Roadmap — Intermediate
Add up your current stack
This is roughly what an engineer pays across separate tools in a month — before CrackLab.
A course platform
Udemy, Coursera
$60
An AI chat tool
ChatGPT Plus, Claude Pro
$20
An interview-prep site
LeetCode Premium, AlgoExpert
$35
A career mentor
MentorCruise, ADPList
$90
A learning platform
Pluralsight, LinkedIn
$30
A system design course
Grokking, ByteByByte
$40
Separately, that's about
$275/mo
On CrackLab, it's just
Roadmaps, mentor chat, DesignHub, AI Engineering & Gen AI — one plan
Simple, transparent pricing
Start free. Upgrade when you're ready.
Free
- ✓5 roadmaps/day
- ✓10 lessons/day
- ✓10 mentor chats/day
- ✓Quizzes & scenarios
- ✓Progress tracking & streaks
- ✓Completion certificates
Pro
- ✓20 roadmaps/day
- ✓50 lessons/day
- ✓50 mentor chats/day
- ✓Advanced AI (Claude Sonnet)
- ✓Full DesignHub, AI Engineering & Gen AI access
- ✓50 deep-dive sessions/day
Power
- ✓Everything in Pro
- ✓Full DesignHub, AI Engineering & Gen AI access
- ✓100 roadmaps/day
- ✓100 lessons/day
- ✓100 mentor chats/day
- ✓PDF upload & RAG lessons
- ✓Visual roadmap diagrams
New tracks (AWS, language-specific interview prep, and more) are added regularly — included in Pro and Power at no extra cost.
Contact us to discuss team access
Frequently asked questions
Yes — the free plan gives you access to roadmaps, lessons, and quizzes every day with generous daily limits. No credit card required.
CrackLab is personalized to your level and topic. No fixed curriculum — AI builds your exact learning path and generates lessons on demand for any subtopic you choose.
Absolutely. Every topic includes real interview questions with sample answers, plus an AI mentor you can practice with in interview mode that challenges your reasoning.
Certificates show completion with quiz scores and total time invested. They carry a unique verification URL you can share on LinkedIn, your portfolio, or résumé.
Any tech topic — System Design, AI Engineering, React, Python, DevOps, ML, Kubernetes, and hundreds more. If you can type it, we can build a roadmap for it.
Ready to accelerate your
engineering career?
Join thousands of engineers learning smarter with AI. Free forever to start.
No credit card required · Instant access · Cancel anytime