Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Songket, Postman Like Tool for Phoenix Websocket launched in 2019; newer entries below may have overtaken it.

1. 1AU
   A Unixy approach to WebSockets▲421

   websocketd is a single binary that wraps a command-line program and serves it over a WebSocket. Your program reads lines from stdin and writes lines to stdout.

   2015 · websocketd.com · its alternatives →

2. 2
   HTTP Prompt▲128

   An interactive command-line HTTP client

   2016 · github.com · its alternatives →

3. 3
   Python can make 3M+ WebSocket keys per second▲83

   :zap: Optimizing Python code by implementing a C++ extension - szabolcsdombi/optimization-demo

   2023 · github.com · its alternatives →

4. 4
   Request Eagle▲68

   Fast and open-source Postman alternative

   14d ago · requesteagle.tokarev.work · its alternatives →

5. 5
   PhxSockets.io▲6

   A simple tool for debugging Phoenix sockets and channels

   2017 · its alternatives →

6. 6
   WebsocketD▲82

   WebSockets are easy now

   2015 · websocketd.com · its alternatives →

7. 7
   Helo▲103

   An independent email API from former Postmark folks

   22d ago · helohq.com · its alternatives →

8. 8
   Boltly▲11

   Postman for Socket.io

   2016 · its alternatives →

9. 9
   Rainbow Stream▲83

   A colorful twitter client for command line lovers

   2014 · iranholocaust.org · its alternatives →

10. 10
    FlowTime▲72

    A Pomodoro-driven timer for Chrome

    2015 · chromewebstore.google.com · its alternatives →

11. 11
    PhpOverWebsocket▲36

    Execute php files over websocket connection. Contribute to nemiah/phpOverWebsocket development by creating an account on GitHub.

    2021 · github.com · its alternatives →

12. 12AR
    AirDrum - Rock out over websockets▲5

    2013 · airdrum.co · its alternatives →

13. 13SP
    Sound playground implemented in C++ Crow WebSocket▲5

    2016 · sound.ipknlab.com · its alternatives →

14. 14FM
    Flute – my attempt at a better email API▲40

    2018 · flutemail.com · its alternatives →

15. 15
    Building WebSocket in Apache Iggy with Io_uring and Completion Based IO▲29

    Nov 2025 · iggy.apache.org · its alternatives →

16. 16MP
    MMO Pixelart with and Websockets▲9

    2015 · paint.reednj.com · its alternatives →

17. 17SW
    Socket Wrench – Insomnia/Postman for Websocket Testing▲23

    2019 · asleepysamurai.com · its alternatives →

18. 18
    Streaming Calls to a Browser with Voice WebSockets▲13

    Demo App of Nexmo Voice API WebSockets sending call audio to a WebBrowser to playback using the Web Audio API - nexmo-community/audiosocket-demo

    2016 · github.com · its alternatives →

19. 19QH
    Quick hack to get a chatbox on Last.fm using websockets▲7

    2012 · rosario.github.com · its alternatives →

20. 20
    A tool for complete WebSocket traffic control▲12

    I built a Chrome extension that acts as a WebSocket proxy, allowing real-time monitoring, message simulation, and traffic interception. Think "Proxyman for WebSockets" but integrated into Chrome DevTools. Key features: Real-time WebSocket monitoring and message capture Send custom messages in both directions (client ↔ server) Block incoming/outgoing messages for testing Background monitoring (captures connections even when DevTools is closed) Why: I was debugging a WebSocket chat app and needed better tools than browser DevTools. Existing solutions required external proxies or were too…

    2025 · websocket-devtools.com · its alternatives →

21. 21
    Simple, fast and fun communication over Websockets▲17

    Simple, fast & fun communication over Websockets. Contribute to penalosa/epsilon development by creating an account on GitHub.

    2020 · github.com · its alternatives →

22. 22AP
    A pure C websocket server to find cycles in the English dictionary▲5

    2016 · lexicon-loop.now.sh · its alternatives →

23. 23PI
    Poppy I/O, a system for sending data between web apps client side▲5

    2022 · poppy.io · its alternatives →

24. 24AW
    A web-browser to web-browser file sharing app (uses WebSockets, no DB)▲9

    2020 · easy-file-share.herokuapp.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →