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
- FlatPress
Lightweight blog software in plain PHP that stores posts as files, with themes, plugins and comment spam protection.
Free · Website builders · Individuals and families
- Indigo
Mac app that runs Nginx, PHP, MySQL, PostgreSQL and Redis locally for web developers without Docker or VMs.
Since 2022
Free plan · 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
- myTinyTodo
A simple to-do list app you host yourself, with several lists, tags, due dates and priorities.
Free · Projects and tasks · Individuals and families
- 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
- Thelia
French open source e-commerce platform for building custom online stores, with click and collect and ERP or CRM connections.
Free · Online shops · Shops and retail
- SeedDMS
Open source document management system you host yourself to store files and run review workflows.
Free · Documents and e-signature
- 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
- Chyrp Lite
A small PHP blog engine you install on ordinary web hosting, with themes and an easy admin panel.
Free · Website builders · 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
- Serendipity
A self-hosted PHP blog engine for writers who want to run their own blog, extended with plugins and themes.
Free · Website builders · 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
- October CMS
A self-hosted content management system built on Laravel that developers and studios use to build client websites.
Subscription · Website builders · Agencies
- 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
- Typemill
Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.
Free plan · Website builders · Software companies
- 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
- Textpattern CMS
Lightweight open source PHP content management system with tag-based templates and plugins for running a website or blog.
Free · Website builders
- 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
- 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
- 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