Life & fun · alternatives · 2026

24 alternatives to Channel.js – the missing class for creating safe async iterators

The missing constructor for creating safe async iterators - bikeshaving/repeater

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Channel.js – the missing class for creating safe async iterators launched in 2019; newer entries below may have overtaken it.

1
Crudlet.js – A common, streamable interface for synchronizing data▲94
utility library for async iterable iterators. Contribute to crcn/mesh.js development by creating an account on GitHub.
2015 · github.com · its alternatives →
2
Cancelable async primitives for JavaScript▲84
Composable async primitives with cancelation, control over scheduling, and coroutines. Superior replacement for JS Promises. - mitranim/posterus
2017 · github.com · its alternatives →
3
Axax – Async iterator extensions for JavaScript▲74
Async Iterator Extensions for JavaScript e.g. map, reduce, filter, flatMap, etc. - jamiemccrindle/axax
2018 · github.com · its alternatives →
4
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 →
5
Nothing.js – A chainable mock object which always returns itself▲89
A chainable, callable mock object which always returns itself - slmgc/Nothing
2018 · github.com · its alternatives →
6AN
A Node.js stream library that works with promises▲10
2018 · npmjs.com · its alternatives →
7
Kneden – Transpile ES7 Async/await to ES6 Promise Chains (Babel Plugin)▲76
Transpile ES2017 async/await to vanilla ES6 Promise chains: a Babel plugin - babel/kneden
2016 · github.com · its alternatives →
8
Aimless.js – the missing js randomness library▲64
The missing JavaScript randomness library. Contribute to ChrisCavs/aimless.js development by creating an account on GitHub.
2023 · github.com · its alternatives →
9
Lfi – a lazy functional sync, async, and concurrent iteration library▲98
Hey HN! Roughly 4 years ago I started building a lazy functional iteration library for JS/TS. I had a few goals for the library: - Supporting sync, sequential async, and concurrent async iteration - Limiting it to a small number of orthogonal concepts that compose beautifully to solve problems - Making it fully tree-shakeable I built it for myself and have (mostly) been its only user as I refined it. I've used it in lots of personal projects and really enjoyed it. I recently decided it would be nice to spread that enjoyment so I created a documentation website complete with a playground…
2024 · lfi.dev · its alternatives →
10
Nsynjs – JS engine with stoppable threads and without callback hell▲51
JavaScript engine + state machine with threads and without callbacks - amaksr/nsynjs
2017 · github.com · its alternatives →
11
Callbaxx.js – A utility library to bring callbacks to synchronous code▲43
[Satire]🔥 JS utility library to bring classic callback style programming to synchronous code — ES6? More like ES Sucks. - scf4/callbaxx
2018 · github.com · its alternatives →
12
And then...▲14
A minimal CommonJS promises library with useful things like parallel execution, fulfilments and exception handling, while retaining the beautiful simplicity of .then(). - askabt/andthen
2013 · github.com · its alternatives →
13
Cross-browser asynchronous JS script loader w/callbacks▲45
2012 · github.com · its alternatives →
14
Backhooks, hooks for Node.js and the back-end▲21
NodeJS dependency injection made easy in execution contexts. Inspiration taken from React hooks and Vue composables. - coderhammer/backhooks
2023 · github.com · its alternatives →
15
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 →
16
Faqtor – Promise-based build automation for Node.js▲37
Promise-based task runner. Easy to use, easy to extend. - faqtor/README.md at master · faqtor/faqtor
2019 · github.com · its alternatives →
17
JsonTree, a tool for turning JSON data into a collapsible html tree▲9
A lightweight vanilla Javascript micro-library for making collapsible trees with JSON - MaxLeiter/jsonTree
2016 · github.com · its alternatives →
18
ClarifyJs – Overcoming Limits of JavaScript Method Chaining▲30
Create and Execute Chained Javascript Methods In Any Order You want - omidh28/clarifyjs
2017 · github.com · its alternatives →
19
Zones for Node.js using async_hooks▲25
2018 · github.com · its alternatives →
20WN
Why Node.js libraries aren't promises by default▲9
2020 · nickmeldrum.com · its alternatives →
21
MockTheClock – A tiny JavaScript library for spoofing time in browser▲18
A tiny JS library to... spoof timers and other date/time functions. Useful for slowing down 3D animations.... - zb3/MockTheClock
2015 · github.com · its alternatives →
22
Coseq – high order functions for JavaScript async/sync iterators▲9
high order functions for JavaScript async/sync iterators - GitHub - MiguelCastillo/coseq: high order functions for JavaScript async/sync iterators
2017 · github.com · its alternatives →
23
Vers, a tool to version data models instead of APIs▲7
Effortless data model versioning for Javascript and Node.js - TomFrost/Vers
2015 · github.com · its alternatives →
24
LoadJS – A tiny async loader for modern browsers▲25
A tiny async loader / dependency manager for modern browsers (961 bytes) - amorey/loadjs
2016 · 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 →