# PubNub alternatives

The highest-scoring alternative to PubNub in Realtime Messaging Infra is **Ably** (74/100), against PubNub's 75/100. Ranked on independent signals, not user reviews. No vendor pays for placement.

| # | Alternative | Score | Confidence | Compare |
|--:|---|--:|---|---|
| 1 | [Ably](https://www.vioscale.ai/software/ably) | 74 | 61% (medium) | [PubNub vs Ably](https://www.vioscale.ai/compare/ably-vs-pubnub) |
| 2 | [HiveMQ](https://www.vioscale.ai/software/hivemq) | 68 | 62% (medium) | [PubNub vs HiveMQ](https://www.vioscale.ai/compare/hivemq-vs-pubnub) |
| 3 | [Pusher Channels](https://www.vioscale.ai/software/pusher-channels) | 56 | 62% (medium) | [PubNub vs Pusher Channels](https://www.vioscale.ai/compare/pubnub-vs-pusher-channels) |
| 4 | [EMQX](https://www.vioscale.ai/software/emqx) | 54 | 61% (medium) | [PubNub vs EMQX](https://www.vioscale.ai/compare/emqx-vs-pubnub) |
| 5 | [ASP.NET Core SignalR](https://www.vioscale.ai/software/asp-net-core-signalr) | 52 | 22% (low) | [PubNub vs ASP.NET Core SignalR](https://www.vioscale.ai/compare/asp-net-core-signalr-vs-pubnub) |
| 6 | [Supabase Realtime](https://www.vioscale.ai/software/supabase-realtime) | 51 | 13% (low) | [PubNub vs Supabase Realtime](https://www.vioscale.ai/compare/pubnub-vs-supabase-realtime) |
| 7 | [Eclipse Mosquitto](https://www.vioscale.ai/software/eclipse-mosquitto) | 40 | 16% (low) | [PubNub vs Eclipse Mosquitto](https://www.vioscale.ai/compare/eclipse-mosquitto-vs-pubnub) |

PubNub itself ranks #1 of 8 in Realtime Messaging Infra.

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*Source: Vioscale (https://www.vioscale.ai/alternatives/pubnub). Generated 2026-09-01T14:10:13.968Z.*