Top 5 rfc-6455 Open-Source Projects

ws

27 21,036 7.7 JavaScript

Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

Project mention: Setting up a WebSocket server in Node.js | dev.to | 2024-03-25

Before setting up a WebSocket server in Node.js, we need to install the necessary dependencies. Fortunately, Node.js has a vibrant ecosystem with various WebSocket libraries available. In this article, we will focus on using the popular ws library, which provides a simple and efficient WebSocket implementation for Node.js.

websocat

10 6,511 6.6 Rust

Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions

Project mention: Show HN: ScaleSocket – Turn any script into a multiplayer WebSocket server | news.ycombinator.com | 2023-09-20

It's similar to running netcat in server mode, wrapping a script. It's even closer to doing that using websocat [1], whereby one does not have to do the websocket header juggling.
The main difference is that while netcat or websocat will spawn a new process for each connecting client, ScaleSocket has a concept of rooms (channels). For a room, a process is spawned once only. All clients connecting to the same room are routed to the same process. This is not straight forward to do using the forementioned tools.
There's a small comparison page [2] where I have mentioned some alternative tools.
[1] https://github.com/vi/websocat

SurveyJS

surveyjs.io sponsored

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ws

14 5,950 5.9 Go

Tiny WebSocket library for Go. (by gobwas)

Project mention: Websocket memory usage | /r/golang | 2023-05-24

Then take a look at this article - https://www.freecodecamp.org/news/million-websockets-and-go-cc58418460bb/ - using external from Go std lib epoll implementation and https://github.com/gobwas/ws lib it's possible to reduce memory usage per connection drastically. Though keep in mind that this approach is not obvious to implement right and you better to go with STD lib.

websocket-client

3 3,461 7.9 Python

WebSocket client for Python
bandit

6 1,543 9.1 Elixir

Bandit is a pure Elixir HTTP server for Plug & WebSock applications (by mtrudel)

Project mention: HTTP/2 Continuation Flood: Technical Details | news.ycombinator.com | 2024-04-04

I'd just mitigated this exact thing in Bandit last month!
https://github.com/mtrudel/bandit/blob/main/lib/bandit/http2...
TBH, from an implementors perspective this is a super obvious thing to cover off. It had long been on my radar and was something that I'd always figured other implementations had defended against as well.

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).