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TaglineAI-powered networked notes. Roam with a brain.Open-source VS Code agent. Reads + writes + runs.Design + publish sites with AI assists built in.Spreadsheets with AI + live integrations baked in.
CategoryProductivityCodingDesignData
Pricing$10/moFree (open source) + your API costsFree + $5-$30/moFree + $19-$89/user/mo
Best forKnowledge workers + thinkers who want AI in their second brain.VS Code users who want agentic coding without changing IDEs.Designers shipping marketing sites without engineers.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Less flexible than raw code
  • Pricing per-site adds up
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier for designer-led sites. S-tier if animations matter.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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