Notion
Classic
All-in-one workspace for notes and docs
Notion combines documents, databases and wikis in a single flexible workspace used by millions of teams.
Docs
Databases
Wikis
Freemium · from $0
Obsidian
Classic
A knowledge base that works on local Markdown files
4.6
Freemium · from Free
Best for Power users who want a linked knowledge baseOverview
Obsidian stores notes as local Markdown files and lets users build a linked 'second brain' with backlinks and graph view. Plugins extend it with AI and other capabilities.
Key features
- Local Markdown storage
- Backlinks/graph view
- Plugin ecosystem
- Optional sync/publish
Pros
- Full data ownership
- Extremely extensible
- Fast and offline-capable
Cons
- Steeper setup than Evernote
- Mobile experience less polished
Obsidian screenshot
Captured from the official website
Obsidian replaces
AI alternatives to Obsidian
Evernote
Classic
Classic note-taking and web clipping
Evernote popularised digital note-taking with web clipping, notebooks and powerful search. Many users have drifted away as pricing rose and the app slowed.
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Web clipper
OCR search
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Mem
AI
Self-organising AI notes
Mem captures notes and automatically links, tags and surfaces them, removing the manual database upkeep that workspaces like Notion require.
Automatic organisation
AI chat over your notes
Smart search
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ClickUp AI
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Project management with a brain
ClickUp combines tasks, docs, goals and chat, and its AI layer writes updates, summarizes threads, generates tasks from notes and auto-prioritizes your backlog.
AI task generation
Writing assistant
Thread summaries
Freemium · from Free
Notion AI
AI
Writing and search assistant inside Notion
Notion AI drafts, summarises and answers questions across your workspace without leaving your notes. It also searches connected apps from one bar.
Drafting
Summaries
Workspace Q&A
Paid · from $10/user/mo
Taskade
AI
AI workspace for tasks, docs and agents
Taskade blends outlines, tasks, mind maps and custom AI agents into one workspace that can plan and execute project work.
Custom AI agents
Projects and tasks
Mind maps
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