| Overview |
A realtime messaging infrastructure platform providing pub/sub, presence, and stream processing for applications at scale. |
A curated collection of free PSD mockups for presenting design work in realistic settings. |
| Pricing |
Freemium (Free-$99/month) |
Free (Free) |
| Key Features |
- Pub/sub messaging
- Presence
- Stream processing
- Webhooks
- MQTT support
- Message queuing
- History
- Global edge network
|
- Free mockups
- PSD files
- Curated collection
- Device mockups
- Branding mockups
- Print mockups
- Packaging mockups
- Scene creators
|
| Pros |
- Enterprise-grade reliability
- Global edge network
- Protocol support
- Good documentation
|
- Completely free
- Good curation
- Various categories
- PSD format
|
| Cons |
- Can be expensive
- Complex pricing
- Smaller community
- Learning curve
|
- Limited selection
- PSD only
- No generator tool
- Quality varies
|
