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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Mac app that opens a floating note on a shortcut so you can jot a thought, saved as a local markdown file.

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

Website builders

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An iPhone app with a coding agent that builds websites, scripts and Swift apps using free ad-funded AI models.

Since 2026

Free · Developer tools · 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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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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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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Markdown note app for every device that stores plain files and syncs through Git, GitHub, iCloud or your own server.

Since 2024

Notes and knowledge · Individuals and families

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A free markdown notes app you run on your own server, with wikilinks, a graph view, diagrams, math and an MCP link for AI tools.

Free · 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 free open-source desktop notes app that saves plain Markdown files and syncs through Nextcloud or ownCloud.

Free · Notes and knowledge · Individuals and families

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An open-source Mac and iPhone notes app that keeps Markdown as plain files, syncs over iCloud and backs up to Git.

Notes and knowledge · 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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Note taking app in Markdown for Apple devices that stores each note as a plain file inside a folder of your choosing.

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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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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Self-hosted notes and checklists app that keeps everything as Markdown files on your server, with kanban boards.

Free · Notes and knowledge · 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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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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Quick Markdown note app for Apple devices that starts on a daily page and works directly with Obsidian vault files.

Since 2026Updated 3 months ago

Notes and knowledge · Individuals and families

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A quick note-taking app for Mac and iPhone that saves your writing as plain Markdown files on your own device.

Since 2025

Notes and knowledge · Individuals and families

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A notes app for Mac and Windows modelled on Apple Notes that saves every note as a plain Markdown file in your folders.

Since 2026

Free · Notes and knowledge · Individuals and families

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Stores the reasoning from AI coding chats with each git commit and posts it to pull requests for team review.

Since 2026

Free plan · Developer tools · 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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Hover over Chinese text in any Mac app to see pinyin, meanings and sentence breakdowns, and save words as flashcards.

Since 2026

Free plan · 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.

Since 2026

Free · Courses and learning · Individuals and families

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A reading and study app that lets you clip from books and papers, link the clips in mind maps and review them as cards.

Courses and learning · Individuals and families

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Paste a YouTube link or upload a transcript and get an Anki flashcard deck made by AI, ready to import.

Since 2025

Free plan · Courses and learning · Individuals and families

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A Mac notes app that keeps text, markdown and CSV files in a local folder and syncs them through git.

Since 2026

One-off payment · Notes and knowledge · Individuals and families

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Browser tool for software teams to resolve git merge conflicts, run a merge queue and manage CODEOWNERS rules.

Since 2026

Free plan · Developer tools · 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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A free markdown notes app for Linux that opens Obsidian vaults, with wikilinks, backlinks and a graph view.

Since 2026

Free · Notes and knowledge · Individuals and families

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A Mac app that runs several AI coding agents side by side in separate clones and chains them to plan, build, review and test.

Free · Developer tools · Developers

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A small Mac app for jotting down passing thoughts and reminders, saved as a plain markdown file you can open anywhere.

Since 2026

One-off payment · Notes and knowledge · 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 light markdown notes app with nested pages, custom templates and searchable PDFs that you can share with a team.

Since 2025

Free plan · Notes and knowledge · Individuals and families

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Students upload slides or notes and get practice quizzes and spaced-repetition flashcards made from them.

Since 2025

Free plan · Courses and learning · Individuals and families

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A note app on an endless canvas with nested pages, Markdown, sketching and live collaboration, for people who think visually.

Since 2025

Subscription · Notes and knowledge · Individuals and families

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A free open-source desktop notes app built around Markdown, with notebooks, encrypted notes, mind maps and export.

Free · Notes and knowledge · Individuals and families

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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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A notes and wiki tool built on plain Markdown files you control, for personal notes, team wikis or published docs.

Notes and knowledge · Individuals and families

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Connect Claude or ChatGPT so they turn what you read into flashcards, then review them on any device.

Since 2026

One-off payment · Courses and learning · Individuals and families

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A language app where a partner or friend fills in words, audio and sentences for you to study, on iPhone and Android.

Since 2025

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