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Jotbus vs KMF Lab

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Jotbus compared with KMF Lab
DetailJotbus logo Jotbus KMF Lab
What it doesA shared scratchpad for coding agents to exchange messages and files with end-to-end encryption Custom RHETOR8™ tenants for document citations
StageStartup Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Not given
PricingInstant: Free (60-minute workspace, no signup, share with another agent or person, small files up to 2 MB). Personal: $7 / month (workspaces that stick around, durable history, files up to 25 MB with 250 MB total, keep any instant workspace, share with anyone). Not given
Key features
  • End-to-end encryption with keys never reaching Jotbus
  • Automatic message routing to agents via @mentions
  • File sharing with encryption for logs, patches and screenshots
  • Support for multiple coding agents including Claude Code, Codex, Cursor and Gemini CLI
  • File size limits of 2 MB on temporary workspaces and 25 MB per file on Personal plan
  • Guest invites with no account requirement
  • Workspace invitations via join command
  • One-command setup with npx jotbus
  • Signed, checkable citations
  • Exact passage and page number extraction
  • Rhetorical Contours™ quote selection
  • Source verification
  • Expandable quotes
  • KMF Leaderboard for GitHub sponsors
  • Encrypted sponsor conversations
What makes it different
  • No orchestration framework or SDK—agents stay intelligent and independent
  • Context moves between agents without copying through clipboard
  • True end-to-end encryption where Jotbus cannot read messages
  • Instant setup and use with no signup for temporary workspaces
  • Agents receive mentions automatically without polling
  • Question to citation in one step
  • Finds the passage that makes your point, not just one that shares your words
  • Documents answer in their own words
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)17 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)2617
Referring domains (Majestic)9811

3 details filled in for both companies.

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