No moat. Still in business.

0

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

0

Gives you a phone number your audience can call to hear your podcast or sermons, no internet or apps needed.

Since 2020

Subscription · Podcasting · Creators and writers

0

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

0

Adds a text-to-speech player to blogs and publisher sites so visitors can listen to articles.

Since 2019

Free plan · Video and audio · Creators and writers

0

Daily notes app that puts project notes, tasks, Apple Calendar events and Reminders side by side for planning each day.

Since 2020

Subscription · Notes and knowledge · Individuals and families

0

A Chrome extension that strips clutter from web pages and adds reading rulers, text to speech and PDF tools for easier reading.

Since 2019

Focus and productivity · Individuals and families

0

File-based content management system that developers and agencies set up for client sites, with an editing panel.

Website builders · Agencies

0

Paste or upload HTML and get clean Markdown back, in the browser or through an API.

Since 2024

Developer tools · Creators and writers

0

Writes alt text and file names for images in bulk to help WordPress sites with search ranking and accessibility.

Free plan · SEO · Agencies

0

Minimal self-hosted kanban board for teams that want drag and drop tasks, WIP limits and filters without extras.

Free · Projects and tasks

0

A browser extension that checks text on any site you visit and boosts contrast so it is easier to read.

Free · Something else · Individuals and families

0

Find public toilets nearby with reviews, photos, door codes and details like changing tables.

Since 2024

Travel · Individuals and families

0

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

0

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

0

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

0

A free desktop app where you hold a shortcut, speak, and your words are typed into whatever text field you are in.

Free · Focus and productivity · Individuals and families

0

A phone app that reads ebooks, documents, websites and printed pages aloud in 40 languages, useful for busy or visually impaired readers.

Video and audio · Individuals and families

0

Apps, fonts and a keyboard that bold the start of words so people can read text faster and with more focus.

One-off payment · Focus and productivity · Individuals and families

0

A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

0

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

Free · Focus and productivity · Individuals and families

0

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

0

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

0

A browser extension that swaps site video players for one that preloads faster and adds captions and accessibility controls.

Since 2023

Free · Video and audio · Individuals and families

0

Free CI/CD engine you host yourself that runs pipeline steps in Docker containers and can be extended with plugins.

Free · Developer tools · Developers

0

An API that crawls whole websites and returns tidy markdown for teams feeding RAG systems or training models.

Since 2024

Free plan · Developer tools · Developers

0

Markdown app for Mac and iOS to write, keep notes and publish them as a static blog.

One-off payment · Website builders · Individuals and families

0

An editing dashboard for Markdown and MDX kept in your GitHub repo, so clients can update static sites without Git.

Since 2022

Free plan · Website builders · Agencies

0

A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.

Subscription · Notes and knowledge · Developers

0

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

0

Simple blog hosting with no ads or tracking: write in markdown and drag files in to publish, for a small monthly fee.

Since 2024

Subscription · Website builders · Individuals and families

0

Small text app for jotting and keeping short notes, synced via iCloud to iPhone, iPad, Watch and Mac.

Notes and knowledge · Individuals and families

0

Adds a panel so low-vision visitors can change font size, colours and images, meeting Russian GOST accessibility rules.

Free · Website builders

0

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

0

A Mac notes app that keeps notes as plain Markdown text files in folders you choose, with links between notes.

Free · Notes and knowledge · Individuals and families

0

Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.

Free plan · Website builders · Software companies

0

Flexible CMS for custom websites, with Twig templates or a GraphQL API, plus a plugin store and optional commerce.

Website builders · Agencies

0

A phone app where friends and family swap voice memos and reply to specific moments, without booking a call.

Free · Something else · Individuals and families

0

WordPress plugin that adds a listen button so visitors can hear posts read aloud in natural voices.

Free plan · Video and audio · Creators and writers

0

CAPTCHA that blocks bot sign-ups and form spam without cookies or tracking, available as a WordPress plugin, self-hosted or managed.

Free plan · Security and passwords

0

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

0

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

Courses and learning · Individuals and families

0

Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

0

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

0

Makes your Mac trackpad tap when the pointer moves over buttons and links, with visual aids for accessibility.

Free · Something else · Individuals and families

0

A Mac app for writing and linking plain Markdown notes in your own folders, with boards, tables and optional AI help.

Since 2026

Free plan · Notes and knowledge · Individuals and families

0

A self-hosted place to jot quick markdown notes in a personal timeline, keeping each private or shared.

Notes and knowledge · Individuals and families

0

Edit HTML and Markdown files stored in Google Drive and put them on a public web address in one step.

Since 2026

Free plan · Website builders

0

Serves Apple developer documentation as Markdown so coding assistants can read it, by URL swap or over MCP.

Free · Developer tools · Developers