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Artist-made illustrations and templates for editable visual explanations

Science questions, discoveries and everyday explanations

Self-paced German courses explained in English.

A digital whiteboard for building lessons, recording explanations, and collaborating with students.

Free practice resources for several English exams, including IELTS, TOEFL, TOEIC and Cambridge English.

Prioritized crawl findings with explanations, maps and audit comparisons.

AI reader that explains confusing text in research papers

Game-based maths and reading with problems, explanations and teaching videos.

Personalised daily learning questions with hints, video explanations and rewards.

Grammar-led language courses with explanations and recorded audio.

Healthcare question banks with explanations, illustrations, analytics and searchable reviewed content.

Maths explanations, puzzles, games, a dictionary and worksheets.

English podcasts and lessons tied to everyday media.

English explanations and exercises indexed by topic and level.

Portuguese home cooking explained in English with written steps and videos

Eye-health explanations with care-access and vision-rehabilitation resources

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

Machine-learning research and technical explanations

System-design explanations and engineering topics

How AI works and what changes around it

AI English tutor for speaking practice with real-time feedback

Everyday English listening in an Australian setting.

AI English speaking app for IELTS, TOEIC, and TOEFL practice

British-English courses for general and professional use.