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FullStackToolkit
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JSON Formatter & Validator
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Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.

Hoppscotch
Hurl.dev
Insomnia REST
HTTPie
RapidAPI for Mac
Firecamp
Karate
Milkman is a JavaFx-based workbench for crafting requests / responses. It is not limited to e.g. http (or more specifically rest) requests but can be extended in any imaginable way. It is optimized for fast startup and efficient workflow.

Which is more popular?
Based on our record, Milkman seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devtoolstack.io | github.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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Milkman by Anna Burns | REVIEW
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolStack and Milkman. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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With the growing demand for effective API testing tools, numerous alternatives to Postman have emerged, each offering unique features tailored to different needs. From comprehensive platforms like APIDog to...
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolStack since Aug 2026.
Milkman is an extensible API workbench that supports plugins to adapt to different protocols and workflows. - Source: dev.to / over 1 year ago
I just wrote my own [1] and I will be Sure that this one will never be monetised [1] https://github.com/warmuuh/milkman. - Source: Hacker News / over 1 year ago
There certainly are plenty of Postman alternatives out there, one that I've used before is Milkman: https://github.com/warmuuh/milkman It's built on a plugin architecture, does gRPC, GraphQL, JDBC, Ws, et.al. Other plugins allow sharing... - Source: Hacker News / over 4 years ago
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