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
- hdoc
Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.
Since 2021
Developer tools · Developers
- SSL Insecure Content Fixer
Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.
Website builders
- 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
- 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
- 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
- Lingolette
Helps intermediate language learners reach fluency through spoken chats with an AI tutor, corrections and daily articles.
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
- 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
- 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
- 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
- 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
- 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
- Synara
A free local desktop workspace that runs coding agents in parallel tasks with worktrees, diffs and pull request handoff.
Free · Developer tools · Developers
- 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
- ReadPlusOne
Short Spanish stories pitched at the words an A2 to B1 learner already knows, with unknown words brought back for review.
Free plan · Courses and learning · Individuals and families
- Lanes
Mac app for running several coding agents at once, giving each its own issue, branch and git worktree.
Since 2026
Developer tools · Developers
- Ouijit
Desktop task board for running Claude Code and other coding agents at once, each task with its own git worktree, sandbox and terminal.
Since 2026
Free · Developer tools · Developers
- Offrun
Mac app that runs Claude Code, Codex and other coding agents side by side in separate git worktrees, with a second agent reviewing diffs.
Since 2026
Free · Developer tools · Developers
- Lingle
Live voice lessons with an AI language tutor that corrects mistakes as you speak and remembers your past sessions.
Free trial · 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.
Free plan · Courses and learning · Individuals and families
- Commander
A free Mac app that runs coding agents like Claude Code on your repo and lets you review each diff before committing.
Free · Developer tools · Developers
- 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
- 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
- ai-14all
Desktop app for developers to supervise several coding agents at once, each in a separate git worktree, with diffs reviewed inline.
Developer tools · Developers
- teebe
Mac app that shows which Git worktrees your coding agents are using, which are merged, and cleans up finished ones.
Free · Developer tools · Developers
- Scape
A Mac app that runs many AI coding agents side by side in separate git worktrees, using model subscriptions you already have.
One-off payment · Developer tools · Developers
- Baton
Desktop app that runs several AI coding agents in separate git worktrees and tells you when each needs input.
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
- Hyperlane
A VS Code based editor that runs several coding agents at once, each in its own Git worktree, so you can review their work.
Developer tools · Developers
- 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
- DiscoVox
Language learners listen to free public domain audiobooks while following highlighted text and optional translations.
Free · Courses and learning · Individuals and families
- Agentastic.dev
A Mac app for running many AI coding agents at once in separate git worktrees, from task to pull request.
Since 2026
Free · 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
- 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
- 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
- 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
- Orca
A desktop app for running several coding agents side by side, each in its own git worktree, with diffs and terminals.
Free · Developer tools · Developers
- Jean
A free workspace for running AI coding agents in isolated Git worktrees on your laptop or a remote server.
Free · Developer tools · Developers
- Sparkle
A browser extension for Chinese learners that puts words from your level into English pages, with readings and meanings on hover.
Courses and learning · Individuals and families
- Jackalope
A desktop app that runs coding agents like Codex and Claude Code in separate Git worktrees and lets you review each change.
Free · Developer tools · Developers
- DollarDeploy
Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.
Free plan · Developer tools · Developers
- Asakiri
A local desktop editor for writing language courses with lessons and self-marking exercises, plus a free app to study them.
Free · Courses and learning · Creators and writers
- Port Zero
Gives each local dev server or container a stable domain so developers avoid port clashes, with paid tunnels to LAN and the internet.
Since 2026
Free plan · Developer tools · Developers
- Emdash
A desktop app for running coding agents in parallel Git worktrees, scheduling their work and reviewing the diffs.
Free · Developer tools · Developers
- MojiMori
Learn the 2,136 jouyou kanji by grade, with stroke order, components, readings and example words.
Courses and learning · Individuals and families
- Shikigami
Desktop app that runs several AI coding agents at once, each in its own git worktree, with tools to review their changes.
Free · Developer tools · Developers
- Traycer
Open-source desktop app that runs Claude Code, Codex and Cursor agents in parallel, each with its own worktree and shared specs.
Free plan · Developer tools · Developers