No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Tapflow
Upload your notes or slides and get a finished online course with a sales page and Stripe checkout, for creators.
Since 2024
Free plan · Courses and learning · Creators and writers
- Sparkle
A browser extension for Chinese learners that puts words from your level into English pages, with readings and meanings on hover.
Since 2026
Courses and learning · Individuals and families
- Yaply
A Chrome extension that translates X and Reddit posts and quizzes you on new words, for people learning English.
Since 2026
Subscription · 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