# Prepare for an exam

> Official test-maker practice, question banks and the portals you register on.

- [Bluebook (College Board)](https://find.do/t/bluebook/) ◆ official — The app the digital SAT runs in, with official full-length practice tests. (free; bluebook.collegeboard.org)
- [ETS POWERPREP (GRE)](https://find.do/t/ets-powerprep/) ◆ official — The GRE test-maker's own full-length practice tests in the real interface. (free tier; ets.org)
- [GATE application portal (GOAPS)](https://find.do/t/gate-goaps/) ◆ official — The organising IIT's portal for GATE registration, admit cards and results. (free; gate2026.iitg.ac.in)
- [IELTS official practice materials](https://find.do/t/cambridge-ielts-practice/) ◆ official — Sample papers and band descriptors from the test owners. (free; ielts.org)
- [IIM CAT](https://find.do/t/iim-cat/) ◆ official — Registration and scorecards for the Common Admission Test. (free; iimcat.ac.in)
- [JEE Advanced (organising IIT)](https://find.do/t/jee-advanced-portal/) ◆ official — Registration and past papers for JEE Advanced, run by a different IIT each year. (free; jeeadv.ac.in)
- [Khan Academy official SAT prep](https://find.do/t/khan-academy-sat/) ◆ official — Free SAT practice built with College Board. (free; khanacademy.org)
- [NTA (JEE Main, NEET, CUET)](https://find.do/t/nta-portal/) ◆ official — India's National Testing Agency — the registration portals for JEE Main, NEET-UG and CUET. (free; nta.ac.in)
- [UPSC Online (OTR)](https://find.do/t/upsc-online/) ◆ official — One Time Registration and applications for UPSC examinations. (free; upsconline.gov.in)
- [Anki](https://find.do/t/anki/) — Spaced-repetition flashcards, free on desktop and Android. (free tier; apps.ankiweb.net)
- [HamStudy.org](https://find.do/t/hamstudy/) — Free flashcards and practice exams from the current FCC question pools. (free; hamstudy.org)

Each tool page has a Markdown twin at its URL + `index.md`.