FreeSQL Foundations — your first real data skill. Start querying for free today. Start SQL →
6 Languages. 1 Platform.

Pick a Language.
Master It.

Not sure which language is right for you? Every language below has a clear purpose and a clear path. Pick based on your goal — not trending hype.

✓ Python (Free)✓ SQL (Free)✓ HTML + CSS (Free)✓ JavaScript✓ R✓ Scratch (Kids)
PYTHON◆SQL◆JAVASCRIPT◆R◆HTML + CSS◆SCRATCH◆REACT◆PANDAS◆NODE.JS◆PYTHON◆SQL◆JAVASCRIPT◆R◆HTML + CSS◆SCRATCH◆REACT◆PANDAS◆NODE.JS◆
Start Free

Available Languages

Python, SQL, and HTML + CSS starter modules are free. No credit card needed.

★ Most Popular • Free
Featured Language

Python

The first language every data scientist, automation engineer, and backend builder learns.

Level
Beginner → Intermediate
Duration
6–8 weeks

Used for:

Data ScienceAutomationBackend APIsData Analysis
Free

SQL

Query any database. Every company runs on SQL — and most employees can't write it.

Level
Beginner → Advanced
Duration
4–5 weeks
Data Analyst rolesBusiness reportingBackend integrationBI tools
Pro

JavaScript

The only language that runs in every browser. Master it to build interactive web apps.

Level
Beginner → Intermediate
Duration
6–10 weeks
Frontend UIReactNode.js APIsBrowser automation
Pro

R

The statistician's weapon of choice. Exceptional for academic research and advanced analytics.

Level
Intermediate
Duration
5–7 weeks
StatisticsResearch analyticsData visualisationBioinformatics
Free

HTML + CSS

Every website starts here. Learn to structure and style interfaces that work on any device.

Level
Absolute Beginner
Duration
3–4 weeks
Web designLanding pagesEmail templatesComponent styling
Free

Scratch

Visual block programming. For kids and new learners who aren't ready for text-based code.

Level
Entry (Ages 7-12)
Duration
2–4 weeks
Game logicAnimationInteractive storiesKids STEM

Not sure which to pick?

If you want a career in data → Start with Python then SQL.
If you want to build websites → Start with HTML + CSS then JavaScript.
If you have a child aged 7-12 → Start with Scratch.