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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Pulls data out of invoices, orders, statements and other documents and sends it to spreadsheets and other apps.

Since 2016

Free trial · Data and spreadsheets

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Pulls and checks data from bank statements, invoices and insurance forms for lenders, insurers and finance teams.

Since 2019

Free trial · Documents and e-signature · Health and clinics

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Open-source billing engine that meters usage, runs subscription and hybrid plans, and issues invoices for software firms.

Since 2021

Free · Invoicing and billing · Software companies

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Build hosted or embedded checkout pages to sell products, subscriptions, tickets and services through your own Stripe account.

Since 2018

Free plan · Payments and checkout · Online sellers

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An ecommerce platform with an API for selling products and subscriptions, with custom storefronts and checkout, for online brands.

Since 2021

Free trial · Online shops · Shops and retail

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Phone app for readers to log books and reading time, set reading goals and keep notes and quotes from each book.

Since 2022

Free plan · Notes and knowledge · Individuals and families

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An API that lets developers train custom classifiers and detectors for images and text from a few labelled examples.

Since 2022

Developer tools · Developers

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A small Mac app for taking, marking up and measuring screenshots, with text recognition, built for designers and developers.

Free plan · Design and images · 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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Pulls transactions out of PDF bank statements into Excel, CSV or QBO and flags totals that do not add up.

Since 2023

Subscription · Bookkeeping and accounting · Accountants and bookkeepers

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Budgeting app that links bank accounts, flags bills due before payday and lets couples split costs they choose to share.

Free plan · Money and budgeting · 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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Pulls data out of emails, PDFs and invoices and sends it on to your other apps, through a web app or an API.

Since 2017

Free plan · Data and spreadsheets

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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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Browser based PDF tools that merge, split, compress and edit files locally, with a paid plan for OCR and conversion.

Free plan · Documents and e-signature

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Pulls structured data out of invoices, receipts and other business documents through an API, with human review.

Since 2024

Subscription · Documents and e-signature

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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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Pulls fields like totals, dates and names out of invoices, CVs, receipts and contracts and returns them as structured data.

Since 2024

Documents and e-signature

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A WooCommerce plugin that lets shops sell subscriptions, repeat deliveries and instalment plans, with dunning and cancellation flows.

Payments and checkout · Online sellers

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Mac app that captures stills and video of your Mac, iPhone or iPad screen, then lets you mark up and add backgrounds before sharing.

One-off payment · Design and images · Creators and writers

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Pulls fields out of emails, PDFs, invoices and receipts and sends the data to spreadsheets, accounting tools and other apps.

Free plan · Data and spreadsheets

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An API that reads PDFs and scanned documents, including tables and complex layouts, and turns them into structured data for AI apps.

Since 2024

Pay as you go · Documents and e-signature · Developers

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API that reads invoices, payslips, bank statements and other documents and returns checked fields as JSON for your software.

Since 2024

Free plan · Documents and e-signature · Accountants and bookkeepers

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Free open-source Mac app for screenshots and screen recordings, with markup, OCR and a GIF editor.

Free · Design and images · Individuals and families

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Mac menu bar app that grabs text from any part of the screen, including images and videos, using local OCR.

Since 2024

One-off payment · 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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Scans receipts and invoices, sorts expenses into tax categories and sends them to Xero or QuickBooks, for accountants.

Since 2024

Free plan · Bookkeeping and accounting · Accountants and bookkeepers

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Mac screenshot tool that adds backgrounds, hides private details and pulls out text, for people sharing screenshots online.

Since 2024

Free · Design and images · Creators and writers

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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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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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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 Mac app that reads your files, gives them clear names, moves them into folders you approve, and finds them by their contents.

Since 2026

Free plan · Focus and productivity · Individuals and families

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Turns PDFs, Office files, scans and web pages into clean Markdown for use with AI chat tools, via web, API or MCP.

Since 2025

Free plan · Documents and e-signature

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A Mac app that combines a keyboard launcher, clipboard history, window snapping and on-device dictation and AI.

Since 2026

Free plan · Focus and productivity · Individuals and families

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Self-hosted tools to convert, compress, OCR and transcribe images, video, audio and PDFs on servers you own.

Free plan · Documents and e-signature

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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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Chrome extension that speaks articles, PDFs and chosen passages, marking each word as it reads, using voices processed locally.

Since 2026

Free plan · 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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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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Shows hiragana readings over kanji in Japanese text, PDFs, ebooks, subtitles and photos so learners can read it.

Since 2026

Free plan · Courses and learning · Individuals and families

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A model API for consistent OCR, audio understanding and structured data extraction, usable from common AI SDKs.

Since 2026

Pay as you go · Developer tools · Developers

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An API that parses, splits and pulls structured data out of messy documents for software teams and AI agents.

Since 2026

Documents and e-signature · Developers