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Caldera vs TruTalk™

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 TruTalk™
DetailCaldera logo CalderaTruTalk™ logo TruTalk™
What it doesThe social network for GitHub and Obsidian Hand-written conversation cards for deeper connections
StageNot given Not given
FoundedNot given Not given
Based inNot given IT
Pricing modelOpen source Freemium
PricingNot given Standard (free forever): five rituals with 3 sessions per mode per day and up to 25 saved cards. TruTalk™+ (€4.99/month): unlimited sessions and saved cards, five premium rituals, seasonal packs, and weekly bonus session. Billed monthly, cancel anytime.
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
  • Hand-written prompts informed by peer-reviewed research
  • Ten conversation modes for different relationships and settings
  • Over 1,300 hand-written prompts across the library
  • Full-screen paced ritual experience with one question at a time
  • Solo, pair, or group flows accommodating up to seven people
  • No notifications, feeds, or distractions
  • Save up to 25 cards on Standard plan or unlimited on TruTalk+
  • Free taste of each premium ritual without subscription
  • Web-based, no download required
  • Conversations remain private and unanalyzed
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 prompt is hand-written and tested in real rooms, not AI-generated
  • Pacing designed to feel like a deep breath, not a rushed conversation
  • Lowered barrier to initiating deeper conversations through design
  • Built on peer-reviewed research, not trends or vibes
  • In-person conversation sessions hosted weekly in Milano
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 check8 −1 (down) since last check
Trust Flow (Majestic)76
Citation Flow (Majestic)2618
Referring domains (Majestic)219

4 details filled in for both companies.

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