Obsidian

Planning, Research & AutomationFree plan
Visit Obsidian ↗

Our verdict: Great for writers who think in linked notes. Your files stay local in Markdown.

Best for

Building a personal knowledge base of notes, quotes and ideas

Pricing

Free; optional Sync $4/mo and Publish $8/mo (billed annually).

Source: official site

Last checked

2026-10-18

Disclosure: We have no affiliate relationship with this vendor. StackKit is independent and not affiliated with Substack Inc. Spot an error? Email hello@stackkit.ink.

Other planning, research & automation tools

Google Trends

Checking whether a topic is rising before you write about it

Planning, Research & AutomationFree plan

Notion

Editorial calendars, idea banks and sponsor CRMs

Planning, Research & AutomationFree plan

Readwise

Collecting highlights from books and articles to feed your writing

Planning, Research & Automation

Trello

A simple kanban for drafts moving from idea to published

Planning, Research & AutomationFree plan

Zapier

Automating busywork such as logging new posts to a spreadsheet or sending sponsor reminders

Planning, Research & AutomationFree plan

Read our 2026 growth guide →