Vask – Pusher-compatible WebSockets on Cloudflare, no fan-out fees
Howdy HN, Ashley here. Most of my projects use realtime, but the jump from 'free' to 'paid' on existing platforms stressed me out, and I didn’t want to self-host soketi or sockudo. So I built Vask, a websocket platform built on top of Cloudflare Workers, Durable Objects, KV storage, and analytics engine, so I can get sort-of infinitely scalable, low latency, and low-cost websockets. I noticed that ‘fan-out’ is pretty cheap with Cloudflare, so Vask can bill per message sent rather than message received (no fan-out cost), which is great for certain workloads, and quite different to existing…
Vask – Pusher-compatible WebSockets on Cloudflare, no fan-out fees launched on May 5, 2026 with 6 votes, #1,742 of 20,538 launches that month and more than 75% of that year's launches.
What it does
Pusher-compatible WebSocket service with no fan-out fees. One message to 500k users costs the same as one message. Simple, transparent pricing.
A Pusher-compatible WebSocket service. ~70% smaller bill. No fan-out fees. Vask speaks the format you already use. Point your client at wss.vask.dev and ship - same SDKs, same channels. New bill. One broadcast = one message, no matter how many subscribers receive it. Pusher charges per delivery - we charge per publish. Any Pusher SDK works unmodified. Migrate by changing three env vars. Keep your channels, presence, auth callbacks. Connections. Channels. Presence members. Apps. Region. The only thing we meter is messages-published. Vask runs on Cloudflare's edge network present in 330+ cities. Your subscribers connect to the closest node by default. Pick the shape of your workload. We'll…from vask.dev
In the maker’s words, at launch
Howdy HN, Ashley here. Most of my projects use realtime, but the jump from 'free' to 'paid' on existing platforms stressed me out, and I didn’t want to self-host soketi or sockudo. So I built Vask, a websocket platform built on top of Cloudflare Workers, Durable Objects, KV storage, and analytics engine, so I can get…
Does a similar job
all alternatives →- DADriftDB – an open source WebSocket backend for real-time apps2023 · driftdb.com · ▲367
Hey HN! I’ve written a bunch of WebSocket servers over the years to do simple things like state synchronization, WebRTC signaling, and notifying a client when a backend job was run. I realized that if I had a simple way to create a private, temporary, mini-redis that the client could talk to directly, it would save a lot of time. So we created DriftDB. In addition to the open source server that you can run yourself, we also provide https://jamsocket.live where you can use an instance we host on Cloudflare’s edge (~13ms round trip latency from my home in NY). You may have seen my…
Katakate – Dozens of VMs per node for safe code exec2025 · github.com · ▲124I've built this to make it easy to host your own infra for lightweight VMs at large scale. Intended for exec of AI-generated code, for CICD runners, or for off-chain AI DApps. Mainly to avoid Docker-in-Docker dangers and mess. Super easy to use with CLI / Python SDK, friendly to AI engs who usually don't like to mess with VM orchestration and networking too much. Defense-in-depth philosophy. Would love to get feedback (and contributors: clear & exciting roadmap!), thx
- FRFanout – Reverse proxy to push real-time data to connected devices2017 · fanout.io · ▲84
Deliver real-time data and low-latency WebSockets & pub/sub at the edge with Fastly. Scale chat, IoT, live apps and messaging with a self-managed infrastructure.
Verani – Socket.io-like realtime SDK for CloudflareDec 2025 · github.com · ▲6Hi HN, I built Verani, an experimental realtime SDK for Cloudflare Actors (Durable Objects). The goal is to bring a familiar, event-based DX (rooms, emit, channels, lifecycle hooks) to Cloudflare Durable Objects, while handling hibernation correctly. It focuses on - Socket.io-like semantics on top of Durable Objects - Proper Actor hibernation handling (WebSockets survive, state is restored) - Typed API with explicit tradeoffs. It’s early and experimental, but functional. I built it mainly to explore DX and state management patterns on Cloudflare Actors, and I’d love feedback from people…
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