Neither Wiki.js nor Obsidian offers a free trial.
Wiki.js is designed for Individuals, Medium Business and Small Business.
Obsidian is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Obsidian begins at $25One-time fee, while pricing details for Wiki.js are unavailable.
Some top alternatives to Wiki.js includes Confluence, simplewiki, SlimWiki, GitBook, Buzz, Drupal Wiki, TWiki, Wiki Valley, XWiki and Obsidian.
Some top alternatives to Obsidian includes ReclaimAI, ZoomInfo InboxAI, CoderNotes, Contexted, Knote, Joplin, Note Garden, Notabase, NotesHub, Qualified, Notion Second Brain, Workvivo, IFTTT and Noties.