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Caldera vs PublishBuddy

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 PublishBuddy
DetailCaldera logo CalderaPublishBuddy logo PublishBuddy
What it doesThe social network for GitHub and Obsidian Social media management tool with built-in AI agent for scheduling, analytics, and content across 10+ platforms
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given Free plan: $0, includes 3 social accounts, 10 scheduled posts per profile, 20 drafts, 7-day analytics. Pro: $29/month, includes 10 social accounts, 500 AI credits/month, unlimited scheduling, 365-day analytics. Business: $49/month, includes 20 social accounts, 2,500 AI credits/month, 2-year analytic
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
  • Schedule posts across 10+ platforms from one dashboard
  • AI Agent that drafts and schedules posts via chat
  • Post previews for each network before publishing
  • Analytics showing followers, reach, and engagement
  • Team collaboration with approval workflows
  • Public REST API for custom integrations
  • MCP server for Claude, Cursor and other AI clients
  • Media library to reuse images and videos
  • Reply to comments from one interface
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
  • Built-in AI Agent that knows your accounts and brand voice, not generic chat
  • Supports 10+ platforms including emerging networks like Bluesky and Threads
  • Team built from running 50+ accounts with 40M+ followers at scale
  • Free plan available indefinitely with no credit card required
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 check12 +7 (up) since last check
Trust Flow (Majestic)72
Citation Flow (Majestic)2618
Referring domains (Majestic)2110

4 details filled in for both companies.

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