Learn data the useful way.
Free, structured courses in Python, SQL, Google Sheets and Power BI — where every lesson ends with a real template you actually keep.
Not another syntax dump.
Most tutorial sites teach you rules with toy examples, then leave you unable to build anything. We teach by building — every lesson uses a real business scenario and ends with a working spreadsheet or dashboard you keep.
Structured courses, not scattered posts — start at chapter one and finish job-ready.
Hands-on tutorials for every tool — Google Sheets, SQL, Power BI, dashboards and web apps.
Real take-homes — the free lite template lives in the lesson; the pro version is on NextGenTemplates.
Three steps to something real.
No signups, no fluff — just a clear path from “what’s a formula?” to a dashboard you built yourself.
Learn
Short, clear chapters that explain the concept with a real business example — not a fruit table.
Try it live
Edit and run real queries and formulas right inside the lesson. Nothing to install, nothing to set up.
Keep it
Walk away with a finished Google Sheet or dashboard — free to download, ready to use at work.
Start with a course you can finish.
Pick a track and work through it chapter by chapter — each one builds a real skill.
SQL from Scratch
Query databases with confidence — from SELECT to JOINs and window functions, with a live editor on every page.
Google Sheets Mastery
Formulas, pivot tables, dashboards and automation — build sheets that run themselves, one tutorial at a time.
Power BI & DAX
Install Power BI Desktop, connect Excel, CSV, JSON and web data, clean it in Power Query and build field parameters and custom tooltips.
Or grab a finished template.
Prefer to skip ahead? Download a professionally built dashboard and customise it in minutes.
Every course teaches the tool — and how to do it with AI.
Google shipped AI into Sheets and Power BI. We show you exactly how to use it well — writing formulas in plain English, summarising data, and knowing when to trust it.
Four tutorial libraries. All free.
Every tutorial is built in the real tool, with screenshots, working formulas and a file you can download.
Google Sheets
Templates, dashboards, KPI scorecards, trackers, calendars and Apps Script web apps for 50+ industries.
Explore Google Sheets →HTML Dashboards
Interactive dashboards built with HTML, CSS and JavaScript that run in any browser — nothing to install.
Explore HTML Dashboards →Power BI
From installing Power BI Desktop and connecting data to cleaning it in Power Query, field parameters and tooltips.
Explore Power BI →Python with AI
From your first print() to pandas, Matplotlib and AI APIs, with a ready-to-paste AI practice prompt in every chapter.
Start the Python course →SQL from Scratch
SELECT to window functions with a live editor on every page, a full command reference and a final quiz.
Start the SQL course →Start learning data the useful way.
Pick a free course — Python, SQL, Google Sheets or Power BI — and build something real in your first lesson.