Learn by building real projects, with an AI mentor that checks every step

Bartman is where you learn SQL, Python, Excel, Power BI, DevOps, cloud, cybersecurity and AI by doing the work: guided projects, free labs in your browser, mock tests and practice exams, and simulated job days. Finished work earns a certificate anyone can verify.

Project ideas by topic

SQL Projects for Your Resume — 30 projects
Python Projects with Real Datasets — 56 projects
Data Analyst Portfolio Projects — 26 projects
Machine Learning Projects in Python — 9 projects
DevOps Projects for Beginners and Pros — 45 projects
AWS Projects for Beginners — 36 projects
Kubernetes Projects — 21 projects
Docker Projects — 12 projects
Excel Projects for Practice — 25 projects
Power BI Projects for Practice — 4 projects
Cybersecurity Projects — 57 projects
Data Engineering Projects — 21 projects
Generative AI Projects — 18 projects
Finance Projects in Excel, SQL and Python — 14 projects
Law Projects for Indian Law Students — 22 projects

Free online labs, no login

All free labs
Free SQL lab — Write and run SQL against a real sample database.
Free Excel lab — A full spreadsheet in your browser. Import your own workbook.
Free Word lab — Draft and format documents in your browser.
Free Power BI lab — Model data and build reports in your browser.
Free Stats lab — Statistics and A/B testing on your own data.
Free Git & GitHub lab — A real Git terminal, a live commit graph and a practice GitHub, in your browser.
Free Browser & DevTools lab — A browser with DevTools and practice websites, in your browser.
Free API client lab — Send API requests and read responses, like Postman, in your browser.
Free Code IDE (VS Code style) — A VS Code-style IDE in your browser: Python, TypeScript, SQL and web, with git.
Free Token debugger — Decode, edit and verify JSON Web Tokens, in your browser.
Free HTTP inspector — Watch HTTP requests and replay them, in your browser.
Free Code scanner — Scan code for insecure patterns and triage the findings.
Free CVE lookup — Search known vulnerabilities by id, product or keyword.
Free Secure coding lab — Seven code-review exercises: find the flaw, write the fix, get checked instantly.
Free Packet lab — Read network captures packet by packet, Wireshark style.
Free Firewall lab — Build zone rules, NAT and aliases, then prove what traffic is allowed.
Free Crypto workbench — Decode, hash and verify evidence with a CyberChef-style recipe bench.
Free Identity console — Write IAM role policies and run access reviews on a sample directory.
Free Cloud console — Find and fix misconfigurations in a simulated cloud account.
Free IaC lab — Write a secure-by-default storage module and see the policy checks.
Free SIEM lab — Search a day of security events and write detection rules.
Free Email security lab — Set up SPF, DKIM and DMARC and see who can spoof a domain.
Free GRC workspace — Build a risk register, a Statement of Applicability and an evidence tracker.
Free Log reviewer — Explore logs and review them for leaked secrets, log injection and missing fields.
Free SBOM checker — Build a software bill of materials and check every dependency for vulnerabilities and licences.
Free Hardening audit — Audit Linux, Nginx and PostgreSQL configs against CIS-style checks and fix them.
Free WAF rule lab — Write ModSecurity rules that block every attack and no customer.
Free Threat model (STRIDE) — Draw a data-flow diagram and work through the STRIDE threats it raises.
Free CERT-In incident report — Write the report CERT-In must get within 6 hours of a cyber incident.
Free Network scan lab (Nmap) — Run Nmap and Zenmap-style scans against a simulated bank network.
Free Quantum computing lab (Qiskit) — Build quantum circuits, see how qubits behave and run Qiskit code in your browser.

Courses with a live lab in every lesson

SQL from zero to advanced — Learn SQL by doing, from your first SELECT to advanced analytics: lessons, quizzes and hands-on labs on a real bank's database.
Excel: Beginner to Advanced — Learn in a real spreadsheet workspace, then build and audit a management workbook.
Generative AI: Beginner to Advanced — ChatGPT, Claude and Kendr—from first prompts to evaluated AI workflows
Power BI: Beginner to Advanced — From your first chart to DAX, Power Query, interactive reports and enterprise workflows
Maths for Work — The maths your job actually uses, taught in your job's language.
Poker Maths: Probability at the Table — Learn probability, counting and expected value by playing real poker spots, with the numbers worked out before every decision
Everyday Physics: Decide with Science — The physics behind your commute, kitchen, electricity bill and workplace, worked out before every decision
Python Playground: Learn to Code by Building — Watch the code run, then write your own: narrated live-code videos, a Python IDE in every lesson, and small builds that grow into real programs
DSA Playground: Data Structures and Algorithms in Python — See every algorithm move: narrated, animated videos, a Python IDE in every lesson, and speed tests that teach you to write fast code
System Design: See Systems Move — Fully animated, narrated lessons: watch requests flow, caches warm up, databases fail over and queues back up, then tune real simulations to hit an SLO
Skin Science: The Chemistry and Biology of Beauty — Not a beauty course: a science course about what you put on your skin. Animated lessons, real labels from five markets, and hands-on labs
Git & GitHub: From First Commit to Team Workflows — Narrated, animated lessons on a live Git lab: watch commits land on the graph, branches merge and pull requests get reviewed, then do it yourself in the same lab
AWS Cloud Practitioner (CLF-C02): Learn It Hands-On — Prepares you for the AWS Certified Cloud Practitioner exam: narrated animated lessons, a simulated AWS console to practise in, exam-style quizzes and full mock exams
AWS Solutions Architect Associate (SAA-C03): Design It Hands-On — Prepares you for the AWS Certified Solutions Architect – Associate exam: narrated animated architectures, a simulated AWS console to build in, scenario questions in the exam's style and full mock exams

Mock tests: GATE, CAT, GRE, GMAT, UGC-NET, IELTS and more

Certification practice exams: AWS, Azure, Security+, PMP

Job simulations

All job simulations — simulated workdays for data analysts, developers, DevOps engineers, lawyers and finance teams
Data analyst job simulation
DevOps and cloud engineer simulation