No moat. Still in business.
AI SaaS directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Open eClass
A free e-learning platform from Greece's GUnet for schools and universities to run online courses and exercises.
Free · Courses and learning · Schools and tutors
- Burning Vocabulary
A browser extension that saves and highlights words you look up on web pages, then drills them with flashcards.
Since 2020
Free plan · Courses and learning · Individuals and families
- Knowable
An iPhone, iPad and Mac tutor app that watches your worksheet through the camera and coaches students step by step.
Since 2026
Free plan · Courses and learning · Individuals and families
- Manthan
Turns a document into a deck of concepts ordered by what to learn first, usable on the web or through an MCP server.
Free plan · Courses and learning · Individuals and families
- Chamilo LMS
An open source learning management system that schools and companies install to run online courses.
Free · Courses and learning · Schools and tutors
- Podhoc
Turns links, PDFs, notes and YouTube videos into podcast episodes you can listen to on the go.
Free plan · Podcasting · Individuals and families
- itsumo
Graded Japanese stories at your JLPT level, with tap-to-define words, grammar notes, audio and flashcards.
Subscription · Courses and learning · Individuals and families
- Let's Bend
A tuner and practice app that shows harmonica players the pitch they hit, so they can learn to bend notes.
Free · Courses and learning · Individuals and families
- Lingolette
Helps intermediate language learners reach fluency through spoken chats with an AI tutor, corrections and daily articles.
Courses and learning · Individuals and families
- Unihongo
An app for learning Japanese with an AI tutor, speaking roleplays, kanji, quizzes and a personal study plan.
Free plan · Courses and learning · Individuals and families
- Foreign Numbers
Listening drills that help language learners catch spoken numbers, phone numbers and clock times in over two dozen languages.
Courses and learning · Individuals and families
- ReadPlusOne
Short Spanish stories pitched at the words an A2 to B1 learner already knows, with unknown words brought back for review.
Free plan · Courses and learning · Individuals and families
- Luna
Builds an interactive course on any topic you choose, for people who want to learn something new on their own.
Subscription · Courses and learning · Individuals and families
- StringScales
Shows scales on a guitar or bass fretboard and plays a backing band over your chord progression so you can practise.
Free · Courses and learning · Individuals and families
- Janus
Turns PDFs and notes into flashcards you can review and edit, then export to Anki, Mochi or SuperMemo.
Subscription · Courses and learning · Individuals and families
- Anki
Flashcard app that uses spaced repetition so learners review hard cards more often, with sync between devices.
Courses and learning · Individuals and families
- DoodleMate
Turns a photo of a child's drawn character into an animation that walks, dances and talks in the child's recorded voice.
Since 2026
Free plan · Courses and learning · Individuals and families
- LeetSys
Practice system design interviews with an AI interviewer, a whiteboard for diagrams and feedback on your design choices.
Free plan · Courses and learning · Individuals and families
- FlashTabs
Make your own flashcard decks and review them on a spaced repetition schedule in the browser.
Since 2015
Free plan · Courses and learning · Individuals and families
- Teacher Planner
Lets teachers import a timetable, plan and reschedule lessons, and draft worksheets and quizzes with AI help.
Free plan · Scheduling and booking · Schools and tutors
- RemNote
Note app for students that builds flashcards, quizzes and summaries from notes and PDFs with spaced repetition.
Since 2021
Free plan · Courses and learning · Individuals and families
- Lingle
Live voice lessons with an AI language tutor that corrects mistakes as you speak and remembers your past sessions.
Free trial · Courses and learning · Individuals and families
- Language Life
Nurses and other clinic staff practise medical Spanish out loud by talking through intakes, handoffs and discharges with simulated patients.
Courses and learning · Health and clinics
- LogiCola 3
Browser drills for students learning formal and informal logic, with instant checking and explained mistakes.
Free · Courses and learning · Individuals and families
- Qurio
An AI homework helper for children that asks guiding questions instead of handing over answers, with parental controls.
Courses and learning · Individuals and families
- Spell a Bee
An iPad app that teaches children in grades K to 5 to spell new words using spaced repetition and a mock spelling bee.
Courses and learning · Individuals and families
- ShortcutFoo
Drills you on keyboard shortcuts for editors and work apps with spaced repetition until they become habit.
Since 2012
Free plan · Courses and learning · Individuals and families
- 4ToSpeak
A language learning app for 77 languages where every lesson ends with you saying the sentence aloud and getting feedback.
Free plan · Courses and learning · Individuals and families
- Nuenki
Browser extension that swaps sentences on the pages you read into the language you are learning, scaled to your level.
Since 2024
Subscription · Courses and learning · Individuals and families
- AI Interview Coach
Practice job interviews with an AI interviewer that asks follow-ups and scores your answers, for job seekers.
Free plan · Courses and learning · Individuals and families
- PalmSpeak
An app for practising spoken conversations in 10 languages with an AI partner, then chatting with native speakers with translation.
Free plan · Courses and learning · Individuals and families
- Intelligrade
Teachers create exams that grade themselves, run them in locked-down sessions and review the results online.
Free plan · Courses and learning · Schools and tutors
- Asm Editor
A browser editor and emulator for writing, stepping through and learning assembly for several processor types.
Free · Courses and learning · Developers
- Vocab Top
Translates words and short phrases with examples and pronunciation, then saves them to a personal list for language learners.
Since 2026
Courses and learning · Individuals and families
- Uncanny Toolkit for LearnDash
Add-on modules for LearnDash course sites, such as autocompleting lessons, importing learners and course timers, for online course sellers.
Free plan · Courses and learning · Creators and writers
- Codewars
Coding practice site where developers solve ranked exercises in the browser across 55+ languages and compare solutions.
Free plan · Courses and learning · Individuals and families
- Wondering
An iPhone app that builds a short-lesson course on any subject you choose, with reviews, streaks and an AI tutor.
Courses and learning · Individuals and families
- WPSchoolPress
WordPress plugin that lets schools track attendance, classes and exam grades, with separate logins for staff, students and parents.
Free plan · Courses and learning · Schools and tutors
- Loudwalk
Reads your Anki flashcards aloud through headphones and grades your spoken answers, with an AI tutor for follow-up questions.
Free plan · Courses and learning · Individuals and families
- Now I Get It!
Turns an uploaded science paper PDF into a shareable web page explaining it at technical, lay or child level, paid per paper.
Pay as you go · Courses and learning · Individuals and families
- AlgoDrill
Helps developers prepare for coding interviews by rebuilding algorithm solutions from memory with spaced repetition drills.
Free plan · Courses and learning · Individuals and families
- Cuiz AI
Students upload slides or notes and get practice quizzes and spaced-repetition flashcards made from them.
Free plan · Courses and learning · Individuals and families
- OnKey
A free Mac app that learns the melody of songs you play and shows a pitch guide while you sing along.
Since 2026
Free · Courses and learning · Individuals and families
- RainbowSay
Mac app that pauses your shows and podcasts after each sentence to explain the translation, words and grammar.
Since 2026
Free plan · Courses and learning · Individuals and families
- Yaply
A Chrome extension that translates X and Reddit posts and quizzes you on new words, for people learning English.
Subscription · Courses and learning · Individuals and families
- DiscoVox
Language learners listen to free public domain audiobooks while following highlighted text and optional translations.
Free · Courses and learning · Individuals and families
- Voiczy
Ad-free app that teaches children aged 3 to 14 one of 19 languages through listening, speaking and reading along.
Since 2024
Free plan · Courses and learning · Individuals and families
- Factile
Teachers, trainers and trivia hosts use it to build Jeopardy-style quiz boards and run them with buzzers and scoring.
Free plan · Courses and learning · Schools and tutors