| Overview |
A realtime messaging infrastructure platform providing pub/sub, presence, and stream processing for applications at scale. |
Open-source knowledge management tool with outliner-style editing, bidirectional links, and local-first storage. |
| Pricing |
Freemium (Free-$99/month) |
Free (Free) |
| Key Features |
- Pub/sub messaging
- Presence
- Stream processing
- Webhooks
- MQTT support
- Message queuing
- History
- Global edge network
|
- Open-source
- Local-first
- Bidirectional links
- Graph view
- Tasks
- Whiteboards
- Plugins
|
| Pros |
- Enterprise-grade reliability
- Global edge network
- Protocol support
- Good documentation
|
- Free and open-source
- Local-first
- Privacy
- Plugin ecosystem
|
| Cons |
- Can be expensive
- Complex pricing
- Smaller community
- Learning curve
|
- Learning curve
- Performance with large graphs
- Limited collaboration
|