toolgrep / APIs & backend / NATS
Alternatives to NATS
NATS: Cloud Native, Open Source, High-performance Messaging. 8 products similar to NATS, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 3 of 8 offer an MCP server, 3 of 8 are open source.
- Synadia Cloud
Managed NATS hosting in the cloud
- PubNub
Global infrastructure for real-time, interactive applications
- Pusher
Hosted realtime APIs for building live features in web and mobile apps
- Hexclave
The open-source platform for everything user
- Ably
Realtime platform for chat, AI and live apps at scale
- Stoat
Open-source group chat app for friends and communities
- SuprSend
Notification infrastructure for email, SMS, Slack, push, and in-app notifications via a single API.
- Telegram
A new era of messaging
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| NATS | Open source | yes | yes | — | yes | yes |
| Synadia Cloud | Freemium · from $0 | yes | yes | — | — | — |
| PubNub | Freemium · from $0 (Free plan, 200 MAU); Starter $98/month for 1,000 MAU; Pro custom/volume pricing | yes | yes | yes | yes | no |
| Pusher | Freemium | yes | yes | no | yes | no |
| Hexclave | Freemium | yes | yes | yes | yes | yes |
| Ably | Usage-based · from $0 | yes | yes | no | yes | no |
| Stoat | Free | yes | yes | no | — | yes |
| SuprSend | Freemium | yes | yes | yes | yes | no |
| Telegram | Free | yes | yes | no | yes | yes |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/nats/alternatives