PubNub alternatives,
built on Cloudflare.

Yes — PubNub can be replaced with Cloudflare. Cloudsteading tracks 1 working build that swap PubNub for a Cloudflare loadout (D1, Durable Objects, WebSockets, and others). The top build runs at ~$0.04/month self-hosted.

See 1 build ↓

1 build · 4 CF primitives wired · realtime

vendor: pricing ↗

Top build

replaces PubNub

The WebSocket Sower

Realtime WebSocket channels with presence, built on a single Worker + one Durable Object class.

Open build → ~$0.04/mo est.

How Cloudflare replaces it

Loadout most often used by the 1 build replacing PubNub.

D1 relational data

in 1

Durable Objects per-tenant state

in 1

WebSockets binding

in 1

Workers request handler

in 1

Frequently asked

Can you replace PubNub with Cloudflare? +

Yes. 1 approved Cloudsteading build replace PubNub using Cloudflare primitives — most commonly D1, Durable Objects, WebSockets, Workers. Each entry ships working code and a monthly cost estimate.

Which Cloudflare primitives replace PubNub? +

Across 1 build replacing PubNub, the most-used Cloudflare primitives are D1, Durable Objects, WebSockets, Workers. Most realtime workloads need only 3–5 primitives — typically Workers for routing, D1 or KV for state, and R2 for blobs.

What is the best open-source PubNub alternative on Cloudflare? +

The WebSocket Sower — Realtime WebSocket channels with presence, built on a single Worker + one Durable Object class.. Estimated self-hosted cost: ~$0.04/month. See the build entry for source code, primitive loadout, and the full cost breakdown.

How much does PubNub cost vs a Cloudflare-native build? +

PubNub lists pricing at https://www.pubnub.com/pricing/. Cloudflare-native builds replacing it typically run on Workers' free or paid tier (~$5/mo) plus per-primitive usage — orders of magnitude cheaper than equivalent SaaS for most workloads. See individual build entries for verified monthly cost estimates.

directory / alternatives to / PubNub