Caldera vs PersonaXpand
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 PersonaXpand
| Detail | 
Caldera | 
PersonaXpand |
|---|
| What it does | The social network for GitHub and Obsidian
| AI social media manager that publishes to 8 networks, auto-replies in your voice, and shows what grows your following
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
| AE
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Free plan (14 days full limits, then unlimited free with lower limits). Basic: $12/month (50 posts/month, 10 auto-replies/day). Standard: $20/month (100 posts/month, 20 auto-replies/day). Pro: $99/month (200 posts/month, 50 auto-replies/day).
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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
| - Multi-platform publishing to 8 networks
- AI auto-reply in your own voice
- Digital Twin learns your writing style
- Cross-platform analytics from official APIs
- AI caption and hashtag generation
- Post approval workflow
- Multilingual support (English and Arabic)
- Content calendar and scheduling
- AI Reputation Audit
- Language detection for replies
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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
| - Sounds like you, not a bot - trained on your own posts
- Official APIs only - no scraping or automation risks
- One post reformatted for 8 networks automatically
- Beginner-friendly setup in three questions
- Free forever tier with paid plans from $12/month
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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 |
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| DR (Domain Rating by Ahrefs) | 30 ▲ +1 (up) since last check | 11 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 7 | 2 |
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| Citation Flow (Majestic) | 26 | 23 |
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| Referring domains (Majestic) | 21 | 19 |
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4 details filled in for both companies.
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