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
- ALTCHA
CAPTCHA that blocks bot sign-ups and form spam without cookies or tracking, available as a WordPress plugin, self-hosted or managed.
Free plan · Security and passwords
- Skyvern
AI agents that run browser tasks like logging into portals, filling forms and pulling out data, without fragile scripts.
Since 2024
Subscription · Developer tools
- 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
- SSL Insecure Content Fixer
Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.
Website builders
- pbar.io
Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.
Uptime and monitoring · 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
- mCaptcha
Free proof-of-work CAPTCHA that runs silently without tracking users and works as a drop-in for reCAPTCHA and hCaptcha APIs.
Free · Security and passwords · Developers
- 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
- Procaptcha
CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.
Free plan · Security and passwords
- Friendly Captcha
Invisible CAPTCHA that blocks bots and spam on website forms without tracking visitors or making them solve puzzles.
Subscription · Security and passwords
- 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.
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
- 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
- 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.
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
- 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.
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.
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.
Free · Courses and learning · Individuals and families
- 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.
Courses and learning · Individuals and families
- 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
- Cap
Free self-hosted CAPTCHA that checks visitors with background proof-of-work and browser tests instead of puzzles, a swap for reCAPTCHA.
Free · Security and passwords · Developers
- 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
- Overcast
Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.
Since 2026
Developer tools · Developers
- 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
- 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
- CAPTCHA 4WP
WordPress plugin that puts reCAPTCHA, hCaptcha or Turnstile on login, comment and checkout forms to block spam bots.
Security and passwords
- 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.
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
- Private Captcha
GDPR-friendly CAPTCHA made in Europe that protects forms and APIs from bots without cookies or puzzles, hosted or self-hosted.
Free trial · Security and passwords
- 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