No moat. Still in business.

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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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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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Deploys Docker Compose apps from GitHub to your own Linux servers on each push, with domains, logs and backups.

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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An Android app that keeps your two-step login codes in an encrypted vault, with backups and import from other apps.

Free · Security and passwords · Individuals and families

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Free offline notebook app that keeps notes on your device with themes, PDF export and one-click backups, no account required.

Free · Notes and knowledge · Individuals and families

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Backs up WordPress sites off server as changes happen, with one click restores, staging copies and host migrations.

Subscription · Website builders

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Alerts you by email, Slack or a ticket when a cron job, backup or pipeline misses its expected check-in.

Since 2026

Free plan · Uptime and monitoring · Developers

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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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Serverless Postgres that keeps each customer's data and vector embeddings in its own virtual database, for teams building B2B SaaS.

Developer tools · Developers

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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 self-hosted panel for running game servers in Docker containers, for friends' groups or hosting companies.

Free · Developer tools · Software companies

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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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Runs and manages databases on Kubernetes, covering provisioning, scaling, backups and upgrades for platform teams.

Developer tools · Developers

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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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Lets non-technical staff view, edit and query Postgres tables in a spreadsheet-style screen, using the database's own permissions.

Free · Data and spreadsheets

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Hosted Postgres that clones databases in seconds so each developer, CI run or agent gets its own copy, and idles at zero.

Since 2022

Developer tools · Developers

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Connect your cloud servers and deploy, back up and manage WordPress, PHP and Node.js sites from a single dashboard.

Free plan · Developer tools · 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 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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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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Edit your WordPress site's .htaccess file from the admin area, with backups, a test step and ready-made snippets.

Free plan · Developer tools · Agencies

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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 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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Puts apps built with AI coding agents online with a sign-in, database and backups, so teams can share and use them.

Since 2026

Free plan · Developer tools · Developers

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Hosts PocketBase backends with deploy on push, backups and custom domains at a flat price, for indie developers and freelancers.

Since 2026

Subscription · Developer tools · Agencies

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A control panel for your own server that deploys apps from Git, runs databases and handles SSL and backups.

Developer tools · Agencies

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Hosting that deploys a frontend, backend and Postgres database from a repo, a folder or an AI coding assistant.

Since 2026

Free plan · Developer tools · Developers

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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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Backs up your servers, Postgres, MySQL and MongoDB databases, Docker volumes and Kubernetes on a schedule into S3 storage you control.

Free plan · Developer tools · Agencies

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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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Schedules and monitors backups of your servers, databases, cloud storage and SaaS tools into storage you choose.

Developer tools · Agencies

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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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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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Self-hosted dashboard that lets agencies update, back up, secure and report on all their client WordPress sites.

Free plan · Uptime and monitoring · Agencies

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Back up a WordPress site or move it between hosts, including multisite and localhost setups.

Free plan · Website builders · Agencies

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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

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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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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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Self-hosted tool that runs scheduled PostgreSQL, MySQL and MongoDB backups to cloud storage and alerts your team.

Since 2025

Free · Developer tools · Developers

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Backs up Supabase databases and storage files to your own bucket on a schedule, then runs restore drills to prove they work.

Free plan · Developer tools · Developers

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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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Save new words from what you read or watch, get AI definitions and examples, then review them with FSRS flashcards on Apple devices.

Since 2025

Free plan · Courses and learning · Individuals and families

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Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.

Since 2026

Developer tools · Developers

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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