Observed arrival · 2026-10-29

OpENEM turns past exams into a study loop

openem.tech Visit website

Editorial interest 83/100 Selection signal · not a rating of the site

A free, open-source ENEM study platform for practicing past questions, building timed simulations, and revisiting mistakes.

Landing page captured for the 2026-10-29 issue.

For: Students preparing for Brazil’s ENEM exam
Worth noticing: The site lists 7,781 questions from exams spanning 1998–2025 and says users can generate printable booklets with a response card.

Field notes

Questions are described as filterable by area, subject, topic, and year, with answer keys, favorites, and spaced review for errors. The site also presents printable booklets with a response card and optional comments, and an exam-room display with start, end, and remaining time. Its self-hosting instructions name the database, API, and app, with exam materials imported on first run.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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