Notebook.ai - A smart notebook that grows and collaborates with you
Going Indie - A complete guide to becoming an indie software developer
Kanka.io - Kanka.
Hive Index - Discover online communities, across all platforms, for any topic.
Snipo.io - AI Flashcards & Take video notes into Notion in click
IntenseDebate - IntenseDebate's comment system enhances and encourages conversation on your blog or website.