Caldera vs PostSider
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 PostSider
| Detail | 
Caldera | 
PostSider |
|---|
| What it does | The social network for GitHub and Obsidian
| AI workflow social publishing with human review
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| PL
|
|---|
| Pricing model | Open source
| Freemium
|
|---|
| Pricing | Not given
| Standard $20/month (1 seat, 5 channels, 400 posts/month), Team $35/month (unlimited seats, 10 channels, unlimited posts), Pro $45/month (unlimited seats, 30 channels, CSV import), Ultimate $90/month (unlimited seats, 100 channels, custom OAuth). Annual billing: pay for 10 months, use for 12.
|
|---|
| 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
| - Drag-and-drop calendar for scheduling posts across channels
- MCP server for AI agents like Claude and ChatGPT
- REST API and Node.js SDK for developers
- Formal approval workflows for team review before publishing
- AI post checker and caption rewrite per network
- CSV bulk import for planning entire months
- Automated queues with best-time scheduling
- Cross-platform analytics and reporting dashboard
- Support for 30+ social networks and platforms
- AES-256-GCM encryption for channel tokens at rest
|
|---|
| 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
| - No AI publishing autonomously - AI drafts, humans decide what goes live
- Works with your existing AI tools - n8n, Claude, Make, or custom code
- Built by one founder - direct support and no enterprise bloat
- Full API and MCP access on all plans, including free trial
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 30 ▼ −1 (down) since last check | 16 ▼ −2 (down) since last check |
|---|
| Trust Flow (Majestic) | 7 | 5 |
|---|
| Citation Flow (Majestic) | 26 | 31 |
|---|
| Referring domains (Majestic) | 21 | 78 |
|---|
4 details filled in for both companies.
More alternatives to Caldera More alternatives to PostSider