Caldera vs SlamZ
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 SlamZ
| Detail | 
Caldera | 
SlamZ |
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| What it does | The social network for GitHub and Obsidian
| The ultimate slambook to connect the crew with playful templates, private sharing, and memorable answers.
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
| Not given
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| Pricing model | Open source
| Free
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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
| - Playful templates for birthdays, farewells, classes, and inside jokes
- Select who receives each slambook
- Mix playful questions with custom prompts
- Voice, photo, and text responses
- Shared memory wall for group responses
- Color-rich template designs
- Community guidelines and safety standards
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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
| - Selected sharing keeps slambooks private to chosen friends
- Responses saved as keepsakes groups can revisit
- Playful on the surface with intentional community rules underneath
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| Free plan | Not given
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| Open source | Not given
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| Platforms | 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 | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 7 | 0 |
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| Citation Flow (Majestic) | 26 | 0 |
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| Referring domains (Majestic) | 21 | 0 |
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4 details filled in for both companies.
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