Dev tools · alternatives · 2026

24 alternatives to Atomus

A utility library for testing client-side code in Node.js

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Atomus launched in 2014; newer entries below may have overtaken it.

1. 1
   Nodeterm▲130

   A node-based free open source terminal manager

   Aug 2026 · nodeterm.dev · its alternatives →

2. 2TC
   The CLI Book – Writing Successful Command Line Clients with Node.js▲7

   2016 · theclibook.com · its alternatives →

3. 3
   SocketCluster▲93

   A scalable realtime engine for Node.js

   2015 · socketcluster.io · its alternatives →

4. 4
   Ghost Inspector▲80

   Automated browser testing from the cloud

   2014 · ghostinspector.com · its alternatives →

5. 5RA
   Ronin – a toolkit for building CLI apps in Node.js easy and fast▲5

   2014 · vdemedes.github.io · its alternatives →

6. 6
   Atom IDE▲7

   Improved language integration

   2017 · github.blog · its alternatives →

7. 7
   Teletype for Atom▲13

   Code together in real time

   2017 · github.blog · its alternatives →

8. 8
   Razorframe▲5

   a Node.js library for kickstarting real-time apps at scale

   2016 · github.com · its alternatives →

9. 9
   Slapp▲28

   An open-source node.js library for creating Slack Apps

   2016 · github.com · its alternatives →

10. 10
    atom.io collaboration ▲7

    Real time code collaboration on the web for atom.io

    2015 · github.blog · its alternatives →

11. 11
    A lightweight fullstack boilerplate based on VueJS and Node.js▲24

    A lightweight boilerplate for a universal webapp based on koa, mongodb, node, vue, and webpack - yunhan0/koa-vue-fullstack

    2018 · github.com · its alternatives →

12. 12
    An assertion library for E2E testing and real user monitoring▲8

    Faultsense JS agent — source-available browser instrumentation - Faultsense/faultsense-agent

    Jul 2026 · github.com · its alternatives →

13. 13OJ
    Objection.js – Yet another ORM for Node.js hit 1.0.0 today▲9

    An SQL friendly ORM for node.js

    2018 · vincit.github.io · its alternatives →

14. 14
    Mr.Node▲6

    A Javascript Library for Node.js Functions

    2017 · its alternatives →

15. 15
    Carno.js – a Nest-style application framework for Bun▲6

    Performance-first framework object-oriented for Bun - carnojs/carno.js

    Aug 2026 · github.com · its alternatives →

16. 16CO
    Codebox – Open Source Alternative to Atom▲7

    2014 · codebox.io · its alternatives →

17. 17
    Pagespace – Manageable websites with Node.js▲5

    2016 · versatile.nl · its alternatives →

18. 18SM
    Silk – Markdown driven API tests▲8

    2016 · medium.com · its alternatives →

19. 19
    Project Glimpse (from Microsoft)▲10

    Full-stack Node.js web diagnostics

    2017 · xcor.com · its alternatives →

20. 20AT
    A template engine for Node.js that treats templates as modules▲6

    2019 · producthunt.com · its alternatives →

21. 21
    Artillery: multi-protocol load-testing tool written in Node.js▲8

    Keep production reliable, customers happy, and pagers silent.

    2016 · artillery.io · its alternatives →

22. 22NN
    Nhx – Node.js Hybrid eXecutor (a uvx inspired tool)▲6

    Jan 2026 · npmjs.com · its alternatives →

23. 23OP
    Object Playground - The definitive guide to object-oriented JavaScript▲5

    2013 · objectplayground.com · its alternatives →

24. 24AP
    AllJS – Popular JavaScript libraries ready for tinkering▲6

    2015 · alljs.net · 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 →