Prototext
Free offline note app for organizing notes, presentations and portfolios into linked, card-based knowledge networks.
What it does
ProtoText is a free desktop app (Mac/Windows) for turning unstructured notes, ideas and files into small linked cards that can be organized, color-coded and connected into knowledge networks. It supports building presentations, portfolios, guides, audiobooks and multilingual data collections, with optional AI/API integrations, local encryption and export in multiple formats, without requiring registration, ads or cloud storage.
Core features
Card-based note and knowledge organization
Connectable knowledge-network navigation
Optional integration with AI/API services
Local encryption for confidential content
Presentation mode and multi-format export
No registration, ads or cloud requirement
Best for
→Building a personal knowledge network or Zettelkasten
→Creating a portfolio or guide as an interactive presentation
→Organizing multilingual data or documentation offline
→Producing audiobooks or educational video scripts from notes