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PostOnce vs Caldera

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

PostOnce compared with Caldera
DetailPostOnce logo PostOnceCaldera logo Caldera
What it doesAuto post your videos everywhere through official platform APIs The social network for GitHub and Obsidian
StageNot given Not given
Founded2023 Not given
Based inCA Not given
Pricing modelFree trial Open source
PricingCreator: $261/year ($0.72/day) or $29/month; Pro: $621/year ($1.70/day) or $2.27/month; Agency: $1791/year ($4.91/day) or $6.54/month. All plans include 7-day free trial, no credit card required. Not given
Key features
  • Automatic crossposting to 9 platforms
  • Post scheduling
  • Existing content distribution
  • Image repurposing
  • Developer API
  • 17+ integrations
  • Workflow creation and management
  • Human support
  • 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
What makes it different
  • Post once and publish automatically to all connected platforms
  • No reach loss compared to manual posting
  • Founder-led support with real people
  • Post using official platform APIs only
  • Maintain your natural posting workflow
  • 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
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)61 no change since last check30 +1 (up) since last check
Trust Flow (Majestic)107
Citation Flow (Majestic)3926
Referring domains (Majestic)67821

4 details filled in for both companies.

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