Freeplane - Freeplane is a powerful and free software for building mind maps.
Startup Toolkit - Interactive how-to guides to launch your startup
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
Manager checklist - Cheatsheet of things every manager should do
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
Where To Post Your Product - A curated collection of 280+ websites to share your startup