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TaglineAI-powered networked notes. Roam with a brain.Spreadsheets with AI + live integrations baked in.Open-source VS Code agent. Reads + writes + runs.AI research assistant for academic literature.
CategoryProductivityDataCodingResearch
Pricing$10/moFree + $19-$89/user/moFree (open source) + your API costsFree + $12-$42/mo
Best forKnowledge workers + thinkers who want AI in their second brain.Ops teams, marketers, anyone building dashboards from multiple sources.VS Code users who want agentic coding without changing IDEs.Grad students, researchers, anyone doing literature reviews.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Academic-only
  • Can hallucinate citations — verify everything
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for academic research. Nothing else comes close for systematic reviews.
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