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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.

Uptime and monitoring · Developers

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A note app for desktop and phone that records and transcribes, then answers questions using your own notes.

Since 2026

Notes and knowledge · Individuals and families

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iPhone currency converter covering world currencies, metals and crypto, with custom rates and offline use.

Money and budgeting · 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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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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Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.

Since 2026

Free plan · Developer tools · Developers

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Learn English words from books you are reading, with ready-made flashcards, quizzes and a word bank.

Since 2025

Free plan · Courses and learning · Individuals and families

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Reads your Anki flashcards aloud through headphones and grades your spoken answers, with an AI tutor for follow-up questions.

Since 2026

Free plan · Courses and learning · Individuals and families

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A Mac app that finds your files, photos and scans when you describe what is in them, working fully offline.

Since 2026

Free · Focus and productivity · Individuals and families

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An Android app that blocks, groups or limits phone notifications using rules on app, text or time of day, all on the device.

Since 2026

Focus and productivity · Individuals and families

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Lets Apple app developers view their sales, rankings, ad spend and reviews on iPhone, iPad or Mac, even without a connection.

Since 2026

One-off payment · Website analytics · Developers

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Turns PDFs and notes into flashcards you can review and edit, then export to Anki, Mochi or SuperMemo.

Since 2026

Subscription · 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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Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.

Free plan · Website builders

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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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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