No moat. Still in business.

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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

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Flexible CMS for custom websites, with Twig templates or a GraphQL API, plus a plugin store and optional commerce.

Website builders · Agencies

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Free CI/CD engine you host yourself that runs pipeline steps in Docker containers and can be extended with plugins.

Free · Developer tools · Developers

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Graded Japanese stories at your JLPT level, with tap-to-define words, grammar notes, audio and flashcards.

Subscription · Courses and learning · Individuals and families

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Helps intermediate language learners reach fluency through spoken chats with an AI tutor, corrections and daily articles.

Courses and learning · Individuals and families

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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

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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

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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

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.

Subscription · Notes and knowledge · Developers

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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

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A browser interface for running a 3D printer remotely, with webcam view, job progress, a GCODE viewer and plugins.

Free · Something else · Individuals and families

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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

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Run GPU jobs from a CLI or an AI agent on several cloud providers, paying provider cost plus a small fee.

Pay as you go · Developer tools · Developers

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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

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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

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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

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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

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Stores a team's environment variables encrypted in one place and pulls them into servers or CI with one command, with an audit log.

Free plan · Security and passwords · Developers

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Git hosting and code review with stacked pull requests, usable alone or kept in sync with GitHub.

Since 2026

Developer tools · Developers

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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

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Minimal self-hosted kanban board for teams that want drag and drop tasks, WIP limits and filters without extras.

Free · Projects and tasks

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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

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Language learners listen to free public domain audiobooks while following highlighted text and optional translations.

Free · Courses and learning · Individuals and families

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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

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Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

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A coding agent that writes and fixes code in the terminal, browser or desktop, paid for by ads, not a subscription.

Free · Developer tools · Developers

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Encrypted storage and sharing of environment secrets for dev teams, with audit logs and a command line tool.

Free plan · Security and passwords · Developers

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Mobile app where learners practise speaking a new language with AI characters and get pronunciation scores.

Since 2024

Courses and learning · Individuals and families

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Mac and Windows app that lets you translate, run OCR, call AI or use plugins on selected text and files without switching apps.

Free plan · Focus and productivity · Individuals and families

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A coding agent for your desktop or terminal that sends simple tasks to fast models and runs tool calls in parallel.

Free · Developer tools · Developers

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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

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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

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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

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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

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File-based content management system that developers and agencies set up for client sites, with an editing panel.

Website builders · Agencies

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Keeps environment variables and secrets for all your projects encrypted in one place and loads them from the terminal.

Subscription · Security and passwords · Developers

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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

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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

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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

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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

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Scans your code for the AI models it calls and warns before any are deprecated or retired, with suggested replacements.

Free plan · Uptime and monitoring · Developers

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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

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Learn the 2,136 jouyou kanji by grade, with stroke order, components, readings and example words.

Courses and learning · Individuals and families

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Stores team secrets and config files encrypted in one place, with per person access, undo for recent edits and a CLI to fetch them.

Free plan · Security and passwords · Developers

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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

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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

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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