KeepNote
Description: KeepNote is an open-source note taking and organization program. It provides a simple tree-based notebook metaphor for storing notes and information in a hierarchical structure much like folders on a file system.
Type: software
Pricing: Open Source
Notion
Description: Notion, the all-in-one workspace. Unify your notes, tasks, and collaboration in a single platform. With its flexible structure, rich media integration, and team collaboration features, Notion transforms the way you work and create.
Type: software
Pricing: free