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A catalogue of deliberately vulnerable practice machines.

Chess courses with move practice and review.

Learn an interview approach, rehearse it and review delivery

Practise technical interviews anonymously with a human or AI

Recreate selected websites to practise frontend development

A maths fact programme with an online tutor and a printable partner-practice route.

AI language tutor for speaking practice

School-entry books, assessment papers, mock tests and online practice.

MIDI-based piano practice with falling notes and notation

Move between portfolio views and a configurable trading workspace

A free, open-source engine and editor for creating 2D and 3D games across desktop, mobile, and web targets.

Connect bank deposits with domestic or cross-border payouts

Language practice with exercises and mentoring

AI roleplay platform for practicing pitches, demos, and conversations.

Language proficiency benchmarks and practice for K-12 language programs.

Draw on a phone or tablet with brush tools and translucent photo reference

Practice playback with loops, tempo and pitch control

Maths videos, worksheets and regular 5-a-day practice with GCSE revision routes.

English test preparation with TOEFL and Duolingo English Test resources, mock practice and sample responses.

Independent TOEFL and TOEIC preparation with online practice, guides and sample tests.

Bridge practice against computer partners with shared deals

A guitar community with chords, tabs and practice tools

Dental AI software for diagnosis, practice insight, and claims.

Practice-test and study-resource collections covering admissions, careers, nursing and other exams.