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
- MLJAR Studio
Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.
Since 2017
Data and spreadsheets
- R2Drop
Mac menu bar app that uploads files to Cloudflare R2 by drag and drop or right-click and copies the public link.
Free · Developer tools · Developers
- 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
- LLM Status
Scans your code for the AI models it calls and warns before any are deprecated or retired, with suggested replacements.
Since 2026
Free plan · Uptime and monitoring · Developers
- 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
- KeyEnv
Encrypted storage and sharing of environment secrets for dev teams, with audit logs and a command line tool.
Since 2026
Free plan · Security and passwords · Developers
- weDocs
WordPress plugin for writing and organising product docs, wikis and help centres, with search and an AI chatbot.
Free plan · Customer support
- 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
- Quadratic
Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.
Since 2023
Data and spreadsheets
- 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
- 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
- LyricFluent
Teaches English, Spanish, French and other languages through song lyrics, with spaced repetition for new words.
Since 2024
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
- 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.
Since 2025
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
- Bullet
A coding agent for your desktop or terminal that sends simple tasks to fast models and runs tool calls in parallel.
Since 2026
Free · Developer tools · Developers
- 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
- GitCafe
Git hosting and code review with stacked pull requests, usable alone or kept in sync with GitHub.
Since 2026
Developer tools · Developers
- 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
- AIR Blackbox
Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.
Since 2026
Free plan · Developer tools · Developers
- 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
- 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
- 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
- DBLift
Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.
Since 2026
Free plan · Developer tools · Developers
- 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.
Since 2025
Courses and learning · Individuals and families
- 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
- Freebuff
A coding agent that writes and fixes code in the terminal, browser or desktop, paid for by ads, not a subscription.
Since 2026
Free · Developer tools · Developers
- 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