Agenda vs BookStack

Agenda is a date-focused note-taking application for macOS, iOS, and iPadOS developed by Momenta B.V. It organizes notes along a timeline linked to calendar events, combining note-taking with scheduling and task management. The app syncs via iCloud or Dropbox and supports rich text, attachments, tags, and collaboration.

BookStack is an open-source, self-hosted platform for organizing and storing documentation using a book-like hierarchy of shelves, books, chapters, and pages. It features a WYSIWYG editor, full-text search, and role-based access control.