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Best Centrifugo alternatives in 2026

5 direct alternatives to Centrifugo and 3 more tools in the same category, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.

Data compiled by ToolradarUpdated How we rate

Cite this list: Toolradar, best Centrifugo alternatives 2026, toolradar.com/alternatives/centrifugo

Publications that cover the tools tracked here
  • TechCrunch
  • Forbes
  • Bloomberg
  • The Verge
  • Business Insider

Why people consider alternatives to Centrifugo

Centrifugo is a self-hosted, language-agnostic real-time messaging server built in Go, designed to handle persistent connections over various transports like WebSocket, HTTP-streaming, SSE, WebTransport, and GRPC.

Teams most often switch away when one of these starts to bite:

  • A feature or quota ceiling that a paid specialist covers and this free tool does not.
  • Missing integrations with the rest of your stack.
  • Performance or scale limits as your needs grow.
  • A specific feature gap you have hit in developer tools.

The 5 direct alternatives below cover the same core job (developer tools) with different trade-offs. The 3 tools marked "Same category as Centrifugo" fit the category but replace Centrifugo less directly.

8 alternatives to Centrifugo

Direct alternatives come first, ranked by G2 and Capterra ratings, media mentions, and editor review. Tools marked "Same category as Centrifugo" follow, ranked the same way.

  1. 1
    Ably logo

    Ably

    Free plan Higher rated by users

    Realtime messaging infrastructure for chat, notifications, and live updates

    4.8 /5 on G2 · 67 ratings, Aug 2026

    From $29/mo; free plan available

  2. 2
    Socket.io logo

    Socket.io

    100% free

    Enable real-time, bidirectional, and event-based communication between web clients and servers.

    4.6 /5 on G2 · 57 ratings, Mar 2026

    Free

  3. 3
    Supabase Realtime logo

    Supabase Realtime

    Free plan Higher rated by users

    Sync client state globally over WebSockets to build modern real-time web and mobile applications.

    4.7 /5 on G2 · 33 ratings, Mar 2026

    Free plan available; paid prices not published

  4. 4
    Pusher logo

    Pusher

    Free plan

    Real-time messaging and notifications API

    3.6 /5 across G2 and Trustpilot · 17 ratings, Sep 2026

    From $49/mo, billed monthly; free plan available

  5. 5
    Appwrite logo

    Appwrite

    Free plan

    Open-source backend for web, mobile, and Flutter. Self-host or cloud

    4.4 /5 across G2 and Capterra · 5 ratings, Sep 2026

    From $25/mo, billed monthly; free plan available

  6. 6
    Porkbun logo

    Porkbun

    Paid Higher rated by users

    Domain registrar with competitive pricing

    4.8 /5 across G2 and Trustpilot · 26,552 ratings, Sep 2026

    From $2.50/mo, billed yearly

    Same category as Centrifugo

  7. 7
    Babel logo

    Babel

    100% free Battle-tested at scale

    Use tomorrow's JavaScript today, anywhere

    4.4 /5 across G2 and Trustpilot · 32,967 ratings, Sep 2026

    Free

    Same category as Centrifugo

  8. 8
    Testing Library logo

    Testing Library

    100% free Battle-tested at scale

    Simple and complete testing utilities

    4.5 /5 on Trustpilot · 21,131 ratings, Jul 2026

    Free

    Same category as Centrifugo

Frequently asked questions

What is the best alternative to Centrifugo?

Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Centrifugo are Ably, Socket.io, Supabase Realtime. Each solves the same core job with different trade-offs on pricing, features, and integrations.

Is there a free alternative to Centrifugo?

Centrifugo is already 100% free (no paid upgrade path). Socket.io is another fully free option listed here (Enable real-time, bidirectional, and event-based communication between web clients and servers). Freemium tools on this list have a free tier plus paid plans; they are not the same as 100% free.

Why do people look for Centrifugo alternatives?

Common reasons teams switch away from Centrifugo even though it is free: missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in developer tools. The alternatives on this page solve the same core problem with a different feature set.

Side-by-side comparisons

In-depth comparison pages for Centrifugo versus each alternative.

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