Obsidian
Local-first linked notes app; often used as a series bible via linked notes.
Best for
A private, linkable series bible stored as plain files.
Pricing
App free; Sync $4/mo annually ($5 monthly); Publish $8/site/mo annually; Commercial $50/user/yr (checked 2026-10-18 on the official site; prices change)
Pros
- Notes are plain local files
- Core app is free
Cons
- Needs setup to become a writing system
- Sync costs extra
Visit the official Obsidian site →