No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- FlashTabs
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
- molab
A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work
Since 2024
Developer tools · Developers
- Quadratic
Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.
Since 2023
Data and spreadsheets
- redirs
Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.
Free plan · Website builders
- RemNote
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
- PDF To Quiz
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
- Memozora
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
- Anki
Flashcard app that uses spaced repetition so learners review hard cards more often, with sync between devices.
Courses and learning · Individuals and families
- Unihongo
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
- Card Snap
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
- Janus
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
- Lector
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
- YouTube2Anki
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
- Mashups
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
- Hanabira
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
- Cuiz AI
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
- ManiDesk
A web workspace where analysts write SQL over market prices, macro series and SEC filings, then chart the results without Python.
Since 2026
Subscription · Data and spreadsheets
- AbjadPro
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
- recall
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
- Compare Lists
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
- DollarDeploy
Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.
Since 2026
Free plan · Developer tools · Developers
- ReadVocab
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
- flashcardaudit.com
Upload your Anki collection and get an emailed report flagging cards with factual errors or weak wording.
Since 2026
Pay as you go · Courses and learning · Individuals and families
- FixMyDocuments
Upload PDFs, Word files or audio and get quizzes, flashcards and summaries to study from, paid with credits.
Since 2024
Pay as you go · Courses and learning · Individuals and families
- DER DIE DAS
A flashcard and practice app that helps German learners remember whether a noun takes der, die or das.
Since 2026
Free · Courses and learning · Individuals and families
- Columns
Open, edit and chart big data files in your browser without uploading them, as a lighter option than spreadsheets.
Since 2025
Free · Data and spreadsheets
- Mochi
Write notes and flashcards in markdown, then review them on a spaced repetition schedule.
Since 2019
Free plan · Courses and learning · Individuals and families
- TamedTable
Clean, enrich and reshape spreadsheet data by typing what you want, then replay the steps on new files.
Since 2026
Data and spreadsheets
- Appliku
Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.
Since 2021
Free plan · Developer tools · Developers
- ExamAI
Turns uploaded notes and slides into practice quizzes with daily recall and review so students are ready for exam day.
Since 2025
Free plan · Courses and learning · Individuals and families
- Owl
A flashcard app that schedules reviews with spaced repetition and can generate study decks with AI.
Since 2025
Free plan · Courses and learning · Individuals and families
- Datastripes
Upload a spreadsheet, CSV or JSON file and get charts and KPIs you can export to PDF or slides or share as a web app.
Since 2025
Pay as you go · Data and spreadsheets