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Caldera vs Social Fanout

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

Caldera compared with Social Fanout
DetailCaldera logo CalderaSocial Fanout logo Social Fanout
What it doesThe social network for GitHub and Obsidian Create, schedule, and publish social media posts with AI agents and apps
StageNot given Startup
FoundedNot given Not given
Based inNot given US
Pricing modelOpen source Freemium
PricingNot given 7-day free trial with no card required, giving full access to all publishing destinations and up to 300 publish attempts. Builder plan: $9.99/month for 3,000 destination publish attempts per month. Pro plan: $11.99/month with everything in Builder plus comments, replies, and messages for Facebook Pa
Key features
  • GitHub city visualization showing repos as buildings and districts
  • Living profile with daily journal, activity score and streaks
  • End-to-end encrypted private note sharing
  • AI agent and coding activity visualization
  • World map showing all members' cities and neighborhoods
  • Asks and offers with gravity rewards
  • Read-only GitHub integration with no code access
  • Self-hosted profile export to static site
  • Mobile support on iOS and Android
  • Cryptographic identity key stored locally in vault
  • REST API for social publishing
  • Hosted OAuth MCP connector
  • Local stdio MCP gateway
  • Post scheduling with date and time selection
  • Comments and replies on Facebook and Instagram
  • Direct messages on Facebook Pages and Instagram
  • Brand labels for scheduled posts
  • Dashboard, REST API, and MCP access
What makes it different
  • Free and open source with no telemetry
  • Visualizes GitHub activity as a living city that updates automatically
  • Privacy by default: nothing leaves your Obsidian vault unless you explicitly choose
  • Sign up with just GitHub, no installation required
  • Self-hosted option with open protocol
  • API-first infrastructure designed specifically for programmable social publishing
  • Works with AI agents through Claude, ChatGPT, and MCP without OAuth complexity
  • Eliminates need to build individual platform integrations
  • Automatic key provisioning with plan-based publish limits
  • Lower cost than calendar-first social media tools
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)30 +1 (up) since last check17 no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)2615
Referring domains (Majestic)216

4 details filled in for both companies.

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