Caldera vs Postilytic™
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 Postilytic™
| Detail | 
Caldera | P
Postilytic™ |
|---|
| What it does | The social network for GitHub and Obsidian
| Content direction for creators
|
|---|
| Stage | Not given
| Not given
|
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| Founded | Not given
| Not given
|
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| Based in | Not given
| CA
|
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| Pricing model | Open source
| Freemium
|
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| Pricing | Not given
| Not given
|
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| 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
| - Free content snapshot analysis
- Single post direction analysis
- Cross-post pattern tracking
- Multi-platform support
- Recurring theme identification
- Signal drift detection
- Pinterest direction intelligence
- Compass Notes for capturing signals
- Content growth calibration service
|
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| 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
| - Reduces overthinking and publishing overwhelm for creators
- No dashboards or metrics-driven approach
- Tracks patterns and signals across multiple posts over time
- Built by creators for creators
- Privacy-first design
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
|
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| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 30 ▲ +1 (up) since last check | 20 ▼ −1 (down) since last check |
|---|
| Trust Flow (Majestic) | 7 | 0 |
|---|
| Citation Flow (Majestic) | 26 | 4 |
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| Referring domains (Majestic) | 21 | 1 |
|---|
4 details filled in for both companies.
More alternatives to Caldera More alternatives to Postilytic™