No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- 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
- 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
- Typemill
Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.
Free plan · Website builders · Software companies
- LLPlayer
Video player for language learners that shows two subtitle tracks at once, generates subtitles and translates them live.
Free · Video and audio · Individuals and families
- 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
- 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
- weDocs
WordPress plugin for writing and organising product docs, wikis and help centres, with search and an AI chatbot.
Free plan · Customer support
- Auto-Install Free SSL
Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.
Free plan · Security and passwords
- 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
- 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
- Wokabulary
Flash card app for learners to keep their own word lists and practise them with spaced repetition on Apple devices.
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
- Lingolette
Helps intermediate language learners reach fluency through spoken chats with an AI tutor, corrections and daily articles.
Courses and learning · Individuals and families
- FluentPal
Mobile app where learners practise speaking a new language with AI characters and get pronunciation scores.
Since 2024
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
- Vrite
Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.
Notes and knowledge · Developers
- 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
- 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
- ReadPlusOne
Short Spanish stories pitched at the words an A2 to B1 learner already knows, with unknown words brought back for review.
Since 2026
Free plan · Courses and learning · Individuals and families
- Hanabira
Learn Japanese or Korean by tapping words in YouTube videos, manga and books, with flashcards that track what you know.
Free plan · Courses and learning · Individuals and families
- MojiMori
Learn the 2,136 jouyou kanji by grade, with stroke order, components, readings and example words.
Since 2026
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
- Asakiri
A local desktop editor for writing language courses with lessons and self-marking exercises, plus a free app to study them.
Since 2026
Free · Courses and learning · Creators and writers
- Sparkle
A browser extension for Chinese learners that puts words from your level into English pages, with readings and meanings on hover.
Since 2026
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
- itsumo
Graded Japanese stories at your JLPT level, with tap-to-define words, grammar notes, audio and flashcards.
Since 2026
Subscription · Courses and learning · Individuals and families
- LangTurbo
Phone app for learning a language by listening to native podcasts with synced transcripts and tap-to-translate words.
Since 2025
Subscription · 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
- Memozora
Flashcard maker that schedules reviews by spaced repetition, with dictionaries and text to speech for language learners.
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.
Since 2026
Subscription · 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.
Since 2026
Free plan · Courses and learning · Individuals and families
- 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
- SSL Insecure Content Fixer
Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.
Website builders
- DiscoVox
Language learners listen to free public domain audiobooks while following highlighted text and optional translations.
Free · 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.
Courses and learning · Individuals and families
- Raneto
A self-hosted knowledge base that serves Markdown files as searchable, editable docs for teams.
Free · Notes and knowledge
- FluentCheese
Language learning app where you add the words you need and it builds practice sessions around them, in 20+ languages.
Since 2025
Free · Courses and learning · Individuals and families
- Echo Knowledge Base
A WordPress plugin for publishing help docs and FAQs, with an AI chatbot and search that answer customer questions.
Customer support
- Hanasu
Practise a new language by chatting with AI, tapping words to save them and reviewing them later with spaced repetition.
Free plan · Courses and learning · Individuals and families
- LyricFluent
Teaches English, Spanish, French and other languages through song lyrics, with spaced repetition for new words.
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.
Free plan · Courses and learning · Individuals and families
- Kylian AI
AI language teacher that runs group or private lessons with homework and practice talks in nine languages, for learners.
Free plan · 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
- 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
- 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
- 4ToSpeak
A language learning app for 77 languages where every lesson ends with you saying the sentence aloud and getting feedback.
Since 2026
Free plan · Courses and learning · Individuals and families
- lairner
Learn any of 75 or more languages from almost any starting language, including rare ones, with a school option too.
Free plan · 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