Dev tools · alternatives · 2026

24 alternatives to JavaScript server-sent events library

Server-Sent Events for JavaScript. Contribute to fanout/js-eventstream development by creating an account on GitHub.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JavaScript server-sent events library launched in 2020; newer entries below may have overtaken it.

1
EmailJS▲176
Send email directly from Javascript. No server code needed.
2019 · emailjs.com · its alternatives →
2RS
Realtime Server-Sent Events in Go▲118
2015 · sse.getgin.io · its alternatives →
3MJ
MicroEvent.js - js micro event emitter in less than 20lines▲60
2011 · notes.jetienne.com · its alternatives →
4
JavaScript PubSub in 163 Bytes▲104
pubsub in <100 bytes. Contribute to hassanshaikley/pico-pubsub development by creating an account on GitHub.
2025 · github.com · its alternatives →
5
Gmail.js – JavaScript API for Gmail▲212
Gmail JavaScript API. Contribute to KartikTalwar/gmail.js development by creating an account on GitHub.
2013 · github.com · its alternatives →
6
Zuck.js, a JavaScript library that lets you add Stories everywhere▲339
A javascript library that lets you add stories EVERYWHERE. - ramonszo/zuck.js
2017 · github.com · its alternatives →
7
Socket-call – Call socket.io events like normal JavaScript functions▲44
Hello HN, I built a Typescript library (named socket-call, for lack of a more sexy name) whose goal is to be able to call socket.io events as regular functions. So you declare your server-side like so: ... const listenEvents = (services: UserServices) => ({ // Add your events here, the name of the event is the name of the function login: async (username: string) => { services._socket.data.user = { username }; console.log(`User ${username} logged in`); setInterval(() => { // Calling an event that's handled client-side services.showServerMessage(`You're still logged in…
2025 · github.com · its alternatives →
8
Submit JSON▲127
Easy form submissions and email notifications
2023 · submitjson.com · its alternatives →
9
Chart.js 4.0▲111
Open source JavaScript charting library for the modern web
2022 · github.com · its alternatives →
10
GitMails▲95
Instant notifications for critical GitHub org events
2022 · gitmails.xyz · its alternatives →
11
Classes for javascript that you'd actually use▲52
Classes for javascript that don't suck. Contribute to jneen/pjs development by creating an account on GitHub.
2012 · github.com · its alternatives →
12
Socket.js, a tiny WebSockets library for Node.js▲11
A realtime communication framework for Node.js. Contribute to stepchowfun/socket.js development by creating an account on GitHub.
2016 · github.com · its alternatives →
13
Evented Mind - Javascript and Meteor classes▲55
Evented Mind offers in-depth, on demand video classes on JS
2015 · its alternatives →
14
WebSocket demo using Fastly Compute-at-Edge▲9
Fanout Fastly Compute JavaScript demo. Contribute to fastly/fanout-compute-js-demo development by creating an account on GitHub.
2022 · github.com · its alternatives →
15
please.js - a PostMessage based communication library▲8
In one of our previous posts, we talked about the problems we faced when communicating with frames on a different domain in our application…
2013 · engineering.wingify.com · its alternatives →
16AS
A simple library for saving JS objects in Windows 8▲25
2012 · matthewsmith.com · its alternatives →
17
Msngr.js, a messaging library for JavaScript▲32
An asynchronous messaging library, written in JavaScript, for node and the web browser - KrisSiegel/msngr.js
2015 · github.com · its alternatives →
18
Stream.js – Object Streaming Pipeline Inspired by Java 8 Streams▲5
Lazy Object Streaming Pipeline for JavaScript. Contribute to winterbe/streamjs development by creating an account on GitHub.
2015 · github.com · its alternatives →
19
http.js, a tiny AJAX utility▲15
Make HTTP requests from client-side JavaScript. Contribute to wylst/http.js development by creating an account on GitHub.
2014 · github.com · its alternatives →
20
JavaScript as a Database – Serverless Platform▲20
Hi HN! I’d like to share with you my project: JSDB. Two months ago I had this thought while reviewing a PR on a web application. What if I didn’t have to write code to communicate with my backend or database? It would be fun to just use arrays and objects like you normally do in javascript and have things magically save. That weekend I hacked together something that used proxies and classes to ‘magically’ send data to your backend when you assign or access properties in an object or array. Using the same API you already know. This means you can save data like this: items[x] = {a:2,b:false}…
2022 · javascriptdb.com · its alternatives →
21
httpinvoke – js HTTP client - easy progress events, binary files, etc.▲28
A no-dependencies HTTP client library for browsers and Node.js with a promise-based or Node.js-style callback-based API to progress events, text and binary file upload and download, partial response body, request and response headers, status code. - jakutis/httpinvoke
2013 · github.com · its alternatives →
22
FilePond.js – Animated, extendable, vanilla JavaScript file upload library▲7
A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads, and offers a great, accessible, silky smooth user experience.
2018 · pqina.nl · its alternatives →
23
Imperative Reactive Programming in JavaScript▲5
Reactive Expressions for JavaScript. Contribute to loreanvictor/quel development by creating an account on GitHub.
2022 · github.com · its alternatives →
24
Fancy Emitter, a Fresh Take on Node.js's Event Emitter▲5
A new take on JavaScript's EventEmitter class. Makes use of types and the newest JS features. - mothepro/fancy-emitter
2020 · github.com · its alternatives →

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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 →