No moat. Still in business.

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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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Drills you on keyboard shortcuts for editors and work apps with spaced repetition until they become habit.

Since 2012

Free plan · Courses and learning · Individuals and families

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A task manager that lays out your whole week on a timeline, works offline, and can be self-hosted.

Free · Projects and tasks · Individuals and families

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Mac app that tiles windows into halves, thirds and quarters by dragging to screen edges or using shortcuts.

Focus and productivity · Individuals and families

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A keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.

Developer tools · Developers

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Keyboard launcher for Mac to find apps and files, expand text snippets, keep clipboard history and run custom workflows.

Free plan · Automation and integrations · Individuals and families

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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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Browser extension for Hacker News readers that adds replying in place, unread comment tracking, keyboard shortcuts and other tweaks.

Free · Something else · 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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A keyboard-driven Mac photo viewer for flicking through folders, binning rejects and converting the ones you keep in bulk.

Free · Design and images · 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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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 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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Mac window manager where you drag on a grid to place windows, save layouts and give each one a shortcut.

Focus and productivity · 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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Mac background app that lets you move or resize any window by holding a key and dragging anywhere on it.

Free · Focus and productivity · Individuals and families

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A free Mac app that turns caps lock or another key into a combined modifier for your own shortcuts.

Free · Focus and productivity · 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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A Mac app that runs AI actions like translate or rewrite on text you select in any app, via a shortcut.

Free plan · Focus and productivity · 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 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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Use an iPad or phone browser as a custom button panel for your Mac, so shortcuts, window moves and app switching are one tap.

Free · Focus and productivity · 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 cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work

Since 2024

Developer tools · Developers

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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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Snap and resize Mac windows with keyboard shortcuts or by dragging to screen edges, with a paid Pro upgrade.

Free · Focus and productivity · 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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Keeps a searchable history of everything you copy on a Mac, so you can sort past clips and paste them again with shortcuts.

Since 2024

Focus and productivity · 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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Mac utility in the menu bar for people who juggle many windows: hold Option and scroll the wheel to flip between them.

Since 2026

Free · Focus and productivity · Individuals and families

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Paste or upload two lists and see which items match, differ or repeat, with options for case and whitespace.

Since 2025

Free · Data and spreadsheets

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A Mac app that shows open windows and browser tabs as 3D cards and lets you jump to one by typing a few letters.

Since 2026

Free trial · 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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A desktop Gmail client for Mac, Windows and Linux where every action has a shortcut and snoozed mail returns later.

Since 2026

Free plan · Focus and productivity

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A Mac utility that stores your common AI prompts and pastes them by shortcut, keyword or screen edge.

Since 2026

Free · Focus and productivity · 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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A Mac window switcher that keeps Command-Tab limited to the current Space and lets you move and jump between Spaces.

Since 2026

Free · Focus and productivity · Individuals and families

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Merges, filters and reshapes RSS, CSV and JSON data into new feeds or APIs, in the spirit of Yahoo Pipes, for people tracking many sources.

Since 2025

Free plan · Data and spreadsheets · Individuals and families

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A Chrome extension that lets you assign keys to buttons on any website and replay repeated clicks without code.

Since 2026

Free · Automation and integrations · Individuals and families

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Mac utility to fill the menu bar with your own links into apps, quick actions and shortcuts, all triggered from the keyboard.

Since 2026

One-off payment · Focus and productivity · 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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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 Mac menu bar app that keeps your clipboard history searchable by keyboard, with pinning and everything stored locally.

Since 2026

Free · Focus and productivity · Individuals and families

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Free Mac app that snaps windows into halves, thirds or quarters with shortcuts or by dragging to an edge.

Free · Focus and productivity · 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 flashcard app that makes study cards from your PDFs, articles and photos and schedules reviews so you remember them.

Since 2026

Free plan · Courses and learning · Individuals and families