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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Handles patient intake, insurance eligibility checks and scheduling for physical therapy and chiropractic clinics.

Since 2011

Practice management · Health and clinics

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A Windows and Mac app that creates full original music tracks on your own computer for videos, podcasts and ads.

Since 2019

Subscription · Video and audio · Creators and writers

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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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Phone app for storing accounts, policies and document photos that hands them to someone you pick if something happens to you.

Since 2024

Free plan · Security and passwords · Individuals and families

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Free offline Mac app to open, read and edit Markdown files, with a table of contents and AI review notes.

Free · Notes and knowledge · Individuals and families

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An app that sends files between nearby phones and computers over your WiFi, with no account or internet needed.

Free · Something else · Individuals and families

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Time tracker that runs in the browser and keeps entries on your device, with optional encrypted sync, for freelancers and staff.

Since 2023

Free · Time tracking · Individuals and families

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Terminal app for homeowners to log maintenance schedules, projects, quotes and contractors in one local file.

Free · Home and car · Individuals and families

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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · Developer tools · Developers

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Free Mac app that runs Stable Diffusion offline to create and edit AI images on your own computer.

Free · Design and images · Individuals and families

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A form backend for developers that adds front-end validation, autoresponders and spam blocking, with a HIPAA option.

Free trial · Forms and surveys · Health and clinics

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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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Lightweight note app for phone and desktop that syncs through your own storage backend and encrypts notes end to end.

Notes and knowledge · 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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A desktop password manager that keeps your logins in an encrypted offline file and fills them into apps for you.

Free · Security and passwords · 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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Phone app for site supervisors that turns a short spoken recap of the day into a signed daily report PDF, offline.

Free · Documents and e-signature · Construction

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A free desktop Kanban board that keeps your tasks offline on your own computer, for people organising personal work.

Since 2023

Free · Projects and tasks · Individuals and families

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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A Mac app that shrinks videos, images, GIFs and PDFs in batches offline, for creators short on disk space.

Since 2024

Design and images · Individuals and families

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A free Mac and Windows dictation app: hold a key, speak, and the text is typed where your cursor sits, all offline.

Free · Focus and productivity · Individuals and families

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A mobile app for recording site defects with photos offline and producing PDF or Excel snag and punch list reports for clients.

One-off payment · Projects and tasks · Trades and home services

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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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Open and edit KeePass password files in any browser or from a local HTML file, with passkey unlock and no server.

Since 2026

Free · Security and passwords · Individuals and families

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A PDF editor that runs on your own device, so you can edit, sign, redact, compare and convert files without uploading them.

Since 2026

Free · Documents and e-signature

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An offline calculator app for carpenters covering stairs, concrete, roof pitch, decking and baluster spacing.

Free plan · Something else · Individuals and families

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Hold one key and speak to type into any Mac app, with speech turned into text offline on your own machine.

Since 2026

One-off payment · Focus and productivity · 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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Phone app for retro game collectors to catalogue cartridges, scan barcodes and check what each game sells for.

Something else · Individuals and families

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Lets businesses prepare documents, send them out for signature and keep the signed copies organised.

Free trial · Documents and e-signature

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A Mac menu bar app that reads any selected text aloud with offline speech models, including local voice cloning.

Since 2026

Free · Video and audio · Individuals and families

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Hold a shortcut and talk, and a Mac app types tidy text into any program using speech models that run locally.

Since 2026

Free · Focus and productivity · Individuals and families

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Edit, merge, split, compress and OCR PDF files inside your browser, with documents kept on your own device.

Since 2025

Free plan · Documents and e-signature

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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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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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Press a hotkey and talk, and your words are typed into whatever app you are in, transcribed on your own computer.

Since 2026

Free · Focus and productivity · Individuals and families

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iPhone CRM for estate agents to keep clients and listings, send buyers shortlists and see which homes they like.

Free plan · CRM and sales · Property and estate agents

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A Mac app that finds personal data in PDFs, scans and screenshots and removes it or swaps it for labels, offline.

Since 2026

Subscription · Documents and e-signature

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A Mac app that shrinks images, videos, PDFs and audio on your own machine with drag and drop, no uploads.

Since 2025

One-off payment · Design and images · Individuals and families

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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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Free offline notebook app that keeps notes on your device with themes, PDF export and one-click backups, no account required.

Free · Notes and knowledge · Individuals and families