No moat. Still in business.

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Make your own flashcard decks and review them on a spaced repetition schedule in the browser.

Since 2015

Free plan · Courses and learning · Individuals and families

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Excel add-in for querying tables with SQL, scripting workbooks in C# and building custom Excel functions.

Since 2016

Free plan · Data and spreadsheets · Developers

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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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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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Helps students sort courses, tasks, class schedules, flashcards and files into colour-coded folders.

Free · Focus and productivity · Individuals and families

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A Docker app with a web interface for setting up Nginx reverse proxies and auto-renewing SSL certificates.

Free · Developer tools · 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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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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Log every flight you take on your own server, see routes on a world map and get travel stats.

Free · Travel · 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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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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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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Note app for students that builds flashcards, quizzes and summaries from notes and PDFs with spaced repetition.

Since 2021

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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Students turn class notes or a PDF into a practice test that marks itself and explains each question they got wrong.

Since 2024

Free plan · Courses and learning · Individuals and families

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A study app for students with spaced repetition flashcards, made from notes and PDFs, and scheduled around your calendar.

Free plan · 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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An open-source photo and video library you run on your own server, with animated previews, search and browser playback.

Since 2024

Free · Video and audio · 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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A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work

Since 2024

Developer tools · Developers

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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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Flashcard app for iPad and iPhone where students draw, type or add images to cards and review them with spaced repetition.

Since 2024

Courses and learning · Individuals and families

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Tool for running a home server that installs and updates hundreds of self-hosted apps from a dashboard.

Free · Developer tools · Individuals and families

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Push a Docker image and get a public HTTPS link, so developers can share demos, bots and side projects quickly.

Free plan · Developer tools · Developers

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Flashcard app that uses spaced repetition so learners review hard cards more often, with sync between devices.

Courses and learning · 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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A light Mac app that runs Docker containers, Kubernetes and Linux machines as a Docker Desktop replacement.

Since 2023

Developer tools · Developers

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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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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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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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Turns notes, PDFs or images into flashcards you can study online, share by link or print.

Since 2025

Free · Courses and learning · Individuals and families

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Simple private diary with one page per day, photo uploads and export, free to use or run on your own server.

Since 2026

Free · Notes and knowledge · Individuals and families