No moat. Still in business.

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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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Draw electronic schematics and run analog and digital circuit simulations in the browser, with no install needed.

Since 2012

Design and images · Schools and tutors

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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

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Open source video recorder for home security cameras that spots people and cars on your own hardware without cloud uploads.

Free · Security and passwords · Individuals and families

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A Mac app that reads your PDFs with an on-device AI model, so you can ask questions, get summaries and jump to cited pages.

Since 2024

Free · Documents and e-signature

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Mac dictation app that transcribes speech on your machine and types tidy text into any app, bought once.

One-off payment · Focus and productivity · Individuals and families

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Sorts bank CSV transactions into categories on your own computer and lets your AI assistant answer spending questions.

Since 2023

One-off payment · Money and budgeting · Individuals and families

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Records, transcribes and summarises your meetings on your own computer, so audio and notes never go to the cloud.

Free plan · Notes and knowledge

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Keeps one parts library across all the circuit boards in a project, with live supplier prices and lists of what to order.

Since 2026

Free · Inventory and stock · Manufacturing

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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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Mac menu bar app that lists local dev servers, ports and Docker containers so developers can open, restart or stop them.

Since 2026

One-off payment · Developer tools · Developers

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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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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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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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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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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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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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Teaches English, Spanish, French and other languages through song lyrics, with spaced repetition for new words.

Since 2024

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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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

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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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An app for learning Japanese with an AI tutor, speaking roleplays, kanji, quizzes and a personal study plan.

Since 2026

Free plan · Courses and learning · Individuals and families

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A language app that translates words offline, saves them to your own tagged word list and helps you review them with flashcards.

Since 2025

Courses and learning · Individuals and families

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Practise a new language by chatting with AI, tapping words to save them and reviewing them later with spaced repetition.

Since 2025

Free plan · Courses and learning · Individuals and families

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A Mac budgeting app that keeps your ledger on disk and answers money questions with an AI model running locally.

Since 2026

Free plan · Money and budgeting · Individuals and families

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An AI agent that edits KiCad schematics and boards and reruns electrical and design rule checks until they pass.

Since 2026

Free · Developer tools

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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.

Since 2026

Courses and learning · Individuals and families

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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 Mac app that indexes the folders you pick on your own machine so you can find photos, video clips and answers by describing them.

Notes and knowledge · Individuals and families

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A personal finance app for Mac and Windows that sorts bank transactions and tracks spending, with all data kept on your computer.

Since 2026

One-off payment · Money and budgeting · 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.

Since 2026

Free · Courses and learning · Individuals and families

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Records meeting audio and voice memos without a bot joining, then turns them into transcripts, summaries and action items.

Free plan · Notes and knowledge

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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

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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

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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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Mac app that records client calls and makes transcripts, summaries and action items on the device, with no cloud upload.

Since 2025

One-off payment · Notes and knowledge · Law firms

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Desktop app for lawyers to edit Word files and PDFs, compare versions and use AI review on their own machine.

Since 2025

Documents and e-signature · Law firms

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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.

Since 2026

Free · Courses and learning · Creators and writers

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A light Markdown notebook that keeps notes on your device, with optional sync and AI models that run locally.

Since 2026

One-off payment · Notes and knowledge · 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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Desktop app that sets up and runs open AI models on your own computer for private, offline chat and work on files.

Since 2026

Free · Focus and productivity · Individuals and families

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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

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A private research notebook on your own computer that answers questions about your files and turns them into reports.

Notes and knowledge

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Mac and Windows app that turns speech into text and rewrites selected text with on-device AI, triggered by a shortcut.

Since 2025

One-off payment · Focus and productivity · Individuals and families

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A Mac app that lets you ask questions about PDFs and get summaries with page citations, keeping files local.

One-off payment · Documents and e-signature · 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.

Since 2026

Free plan · Courses and learning · Individuals and families

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Free desktop app that repeats web tasks for you, either by recording your clicks or from a plain text description.

Since 2026

Free · Automation and integrations

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Suggests the rest of your sentence in most Mac and Windows apps, with the AI running on your own computer.

Since 2026

One-off payment · Focus and productivity · Individuals and families