
Postman
Bruno
Hoppscotch
RecipeUI
Voiden.md
RapidAPI for Mac
cURL
The API client you'll actually enjoy. Yaak is a fast, secure, and offline API client that works with Git.

JavaScript Operator Lookup
JavaScripting
Let's write robust, well-tested, modular JavaScript code.
Which is more popular?
Based on our record, Yaak.app seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | yaak.app | mjavascript.com |
| Pricing | ||
| Company | 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Yaak is a fast, offline-first API client that gets out of your way. No accounts, no sync, no telemetry. Store your API requests locally, end-to-end encrypted, and versioned with Git. Yaak is perfect for - Developers who prefer local tools over SaaS - Teams that version API requests in Git -...
No description of Modular JavaScript yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Yaak.app and Modular JavaScript. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Yaak [1] is a local-first desktop API client (Postman alternative) and I've been building MCP workflows around growth lately. I already have one for product that takes in a bunch of sources (feedback, PRs, my own tasks, etc) and makes it... - Source: Hacker News / 28 days ago
There's also Yaak ( https://yaak.app ), which is fully open-source & I think may be even better than Bruno. I haven't logged enough time with either to be certain, though -- that's uninformed suspicion and nothing more.... - Source: Hacker News / 30 days ago
Tracking Modular JavaScript since Mar 2021.
When comparing Yaak.app and Modular JavaScript, you can also consider the following products.

The Collaboration Platform for API Development
Compare Postman to Yaak.app or Modular JavaScript:

A full list of JavaScript operators with examples
Compare JavaScript Operator Lookup to Yaak.app or Modular JavaScript:

Bruno is a Git-integrated, fully offline, and open-source API client
Compare Bruno to Yaak.app or Modular JavaScript:

Ranking of top JavaScript libraries, frameworks, and plugins
Compare JavaScripting to Yaak.app or Modular JavaScript:

Open source API development ecosystem
Compare Hoppscotch to Yaak.app or Modular JavaScript:

Open source type-safe Postman alternative
Compare RecipeUI to Yaak.app or Modular JavaScript: