No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- 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
- An Otter Wiki
A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.
Free · Notes and knowledge
- Folderly
Helps students sort courses, tasks, class schedules, flashcards and files into colour-coded folders.
Free · Focus and productivity · Individuals and families
- Typemill
Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.
Free plan · Website builders · Software companies
- TectureGraph
Scans a company's code repositories and builds architecture docs you can drill into, from whole systems down to services.
Since 2026
Developer tools · Software companies
- Datadef
Generates editable architecture, ER and cloud diagrams from a description, SQL, Prisma, Terraform or a code repo.
Since 2025
Free plan · Design and images · Developers
- Echo Knowledge Base
A WordPress plugin for publishing help docs and FAQs, with an AI chatbot and search that answer customer questions.
Customer support
- datannur
Scans your files and databases and builds a searchable catalogue of datasets, columns and owners that runs in a browser.
Free · Data and spreadsheets
- Nihongo Lessons
An iPhone app that takes Japanese learners from beginner to fluent with one new sentence per flashcard and spaced review.
Since 2015
Courses and learning · Individuals and families
- 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
- 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
- PDF To Quiz
Students turn class notes or a PDF into a practice test that marks itself and explains each question they got wrong.
Since 2024
Free plan · Courses and learning · Individuals and families
- Revu
A study app for students with spaced repetition flashcards, made from notes and PDFs, and scheduled around your calendar.
Free plan · Courses and learning · Individuals and families
- BookStack
Free self-hosted wiki that lets a team organise its documentation into shelves, books and pages.
Since 2022
Free · Notes and knowledge
- Memozora
Flashcard maker that schedules reviews by spaced repetition, with dictionaries and text to speech for language learners.
Since 2024
Free plan · Courses and learning · Individuals and families
- Feyn
Flashcard app for iPad and iPhone where students draw, type or add images to cards and review them with spaced repetition.
Since 2024
Courses and learning · Individuals and families
- Vrite
Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.
Notes and knowledge · Developers
- Anki
Flashcard app that uses spaced repetition so learners review hard cards more often, with sync between devices.
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.
Since 2026
Free plan · Courses and learning · Individuals and families
- WordWise
A language app that translates words offline, saves them to your own tagged word list and helps you review them with flashcards.
Since 2025
Courses and learning · Individuals and families
- Card Snap
Turns notes, PDFs or images into flashcards you can study online, share by link or print.
Since 2025
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.
Since 2026
Subscription · Courses and learning · Individuals and families
- Wiki.js
Open-source wiki software you host yourself so a team can write and share its internal documentation.
Free · Notes and knowledge
- Raneto
A self-hosted knowledge base that serves Markdown files as searchable, editable docs for teams.
Free · Notes and knowledge
- Zhenzhu
Hover over Chinese text in any Mac app to see pinyin, meanings and sentence breakdowns, and save words as flashcards.
Since 2026
Free plan · Courses and learning · Individuals and families
- DocuMemory
Saves what you work out in AI chats as searchable documents that Claude, ChatGPT, Cursor and other MCP tools can read later.
Since 2026
Free plan · Notes and knowledge · Developers
- Lector
A reading app for language learners that imports books, articles and videos, translates words and sends vocabulary to Anki.
Since 2026
Free · Courses and learning · Individuals and families
- MarginNote 5
A reading and study app that lets you clip from books and papers, link the clips in mind maps and review them as cards.
Courses and learning · Individuals and families
- YouTube2Anki
Paste a YouTube link or upload a transcript and get an Anki flashcard deck made by AI, ready to import.
Since 2025
Free plan · Courses and learning · Individuals and families
- Grape
A note app for desktop and phone that records and transcribes, then answers questions using your own notes.
Since 2026
Notes and knowledge · Individuals and families
- Hanabira
Learn Japanese or Korean by tapping words in YouTube videos, manga and books, with flashcards that track what you know.
Since 2025
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.
Since 2025
Free plan · Courses and learning · Individuals and families
- AbjadPro
Learn to read Arabic with alphabet lessons, graded stories and flashcards that schedule reviews around your memory.
Since 2026
Free plan · Courses and learning · Individuals and families
- recall
Connect Claude or ChatGPT so they turn what you read into flashcards, then review them on any device.
Since 2026
One-off payment · Courses and learning · Individuals and families
- Coupling
A language app where a partner or friend fills in words, audio and sentences for you to study, on iPhone and Android.
Since 2025
Courses and learning · Individuals and families
- SubSmith
Makes subtitles for your video and audio files so language learners can look up words and send them to Anki.
Since 2026
One-off payment · Courses and learning · Individuals and families
- Loudwalk
Reads your Anki flashcards aloud through headphones and grades your spoken answers, with an AI tutor for follow-up questions.
Since 2026
Free plan · Courses and learning · Individuals and families
- Earnote
Records lectures and meetings on Mac or iPhone, transcribes them locally and turns them into notes, flashcards and study sheets.
Free · Notes and knowledge · Individuals and families
- Space
A flashcard app that makes study cards from your PDFs, articles and photos and schedules reviews so you remember them.
Since 2026
Free plan · Courses and learning · Individuals and families
- NewWord
Save new words from what you read or watch, get AI definitions and examples, then review them with FSRS flashcards on Apple devices.
Since 2025
Free plan · Courses and learning · Individuals and families
- weDocs
WordPress plugin for writing and organising product docs, wikis and help centres, with search and an AI chatbot.
Free plan · Customer support
- ReadVocab
Learn English words from books you are reading, with ready-made flashcards, quizzes and a word bank.
Since 2025
Free plan · Courses and learning · Individuals and families
- flashcardaudit.com
Upload your Anki collection and get an emailed report flagging cards with factual errors or weak wording.
Since 2026
Pay as you go · Courses and learning · Individuals and families
- Ilograph
Draw interactive software architecture diagrams that can be viewed from several angles, for engineering teams.
Since 2019
Subscription · Design and images · Developers
- WackoWiki
A light, multilingual wiki you install yourself so teams or schools can write and share documentation together.
Free · Notes and knowledge
- SlimWiki
Simple hosted wikis where teams or individuals write and share docs, public or private, with their own branding.
Since 2014
Free plan · Notes and knowledge
- FixMyDocuments
Upload PDFs, Word files or audio and get quizzes, flashcards and summaries to study from, paid with credits.
Since 2024
Pay as you go · Courses and learning · Individuals and families
- DER DIE DAS
A flashcard and practice app that helps German learners remember whether a noun takes der, die or das.
Since 2026
Free · Courses and learning · Individuals and families