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Caldera vs Zetrr

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 Zetrr
DetailCaldera logo CalderaZetrr logo Zetrr
What it doesThe social network for GitHub and Obsidian All-in-One Creator Platform for Content & Instagram
StageNot given Startup
FoundedNot given 2026
Based inNot given IN
Pricing modelOpen source Freemium
PricingNot given Free: forever, no card required. Pro: ₹299/month in India, $9/month elsewhere, first month free. Studio: ₹499/month in India, $19/month elsewhere, for three accounts. Discounts: 20% off for 6 months, 33% off yearly on paid plans.
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
  • Content planning with boards, scripts and team collaboration
  • Instagram DM automation using Meta's official API
  • Link-in-bio page with customization and click tracking
  • Professional invoicing with GST calculation and payment tracking
  • Forms for collecting inquiries and bookings
  • Fair giveaway winner selection from Instagram comments
  • Smart links that open in the right app
  • Voice notes on Planner cards and saved ideas
  • Version history and restore for scripts
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
  • Every creator app in one login and workspace
  • Free forever plan with no card required
  • First month of Pro free for new customers
  • Verified Meta Tech Provider using official Instagram API
  • Built by creators for creators in India
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 check3 no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)2614
Referring domains (Majestic)2111

4 details filled in for both companies.

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