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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Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.

Since 2021

Developer tools · Developers

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

Free plan · Website builders · Agencies

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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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Dashboard for agencies and freelancers to update, back up, monitor and report on many WordPress client sites at once.

Subscription · Uptime and monitoring · Agencies

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

Developer tools · Developers

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

Website builders

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Self-hosted platform that deploys apps and databases from Git onto your own servers, with HTTPS, logs, backups and monitoring.

Since 2025

Developer tools · Developers

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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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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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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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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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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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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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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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Dashboard for agencies to update, back up, scan and monitor many WordPress and Joomla client sites from one place.

Free plan · Uptime and monitoring · Agencies

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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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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 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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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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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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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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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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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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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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WordPress plugin that makes staging copies, backups and restores, and moves sites to another server.

Website builders · Agencies

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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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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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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