Duolingo
Freemium
The popular language learning app, with AI-powered conversation practice and explanations.
Speak
Paid
An AI language tutor that has you speaking out loud from day one, with instant feedback.
Praktika
Freemium
Practice English with a personal AI avatar tutor that adapts to your level and goals.
Wolfram Alpha
Freemium
A computational knowledge engine that solves math and science problems with step-by-step answers.
Mathway
Freemium
A math problem solver that handles algebra to calculus and shows how to get there.
Chegg
Paid
Study help with textbook solutions, expert Q and A and an AI study assistant.
Quizlet
Freemium
Flashcards, practice tests and an AI study tool used by millions of students.
Anki
Free
The open-source flashcard app built on spaced repetition, loved by medical and language students.
Knowt
Freemium
A free flashcard and study app that turns notes and videos into flashcards and quizzes.
StudyFetch
Freemium
An AI study platform that makes flashcards, quizzes and notes from your course materials.
Apollo.io
Freemium
A B2B contact database and sales engagement platform with AI prospecting and email writing.
Clay
Freemium
A data enrichment and outbound automation tool that combines many lead sources with AI research.
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