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HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.

Devsheet
Liveworksheets
A lightweight Notion-like drag and drop cheatsheet builder
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | httpmaster.net | buildsheet.one |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Hungary · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


Core HttpMaster features are: * HttpMaster project to store complete definition of API calls in one single place. * Broad set of http properties. * Dynamic parameters to simulate variations of input data or create global API values. * Response data validation with logical expressions. * Request...
A visual cheatsheet builder that helps you turn scattered notes into structured masterpieces. Think Notion + LaTeX + Markdown + Charts, all in one clean, fast tool ⚡
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
HttpMaster is well-suited for developers, QA engineers, and testers who need to perform end-to-end testing of web APIs. It's particularly beneficial for those who require a versatile testing solution with both automated and manual testing features. It's also ideal for teams that need to validate the functionality, performance, and security of their web apps through an intuitive platform.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Testing with HttpMaster 02
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing HttpMaster and Buildsheet.one.
HttpMaster's answer
Developers and testers.
Buildsheet.one's answer:
Anyone who likes to take notes digitally. Any Computer Science student, PhD student, teachers, literally anyone can use it.
HttpMaster's answer
HttpMaster's answer
Performance, simple UI, resource friendly.
Buildsheet.one's answer:
With drag and drop sections, it's easy to organize your notes/cheatsheets.
HttpMaster's answer
Microsoft .NET.
Buildsheet.one's answer:
Next.js, MongodDB, Tailwindcss, TypeScript
Buildsheet.one's answer:
Lightweight environment while everything is in one place. Supports multiple syntax, like Markdown, KaTeX and also charts for visualizing numbers.
Buildsheet.one's answer:
Always wanted to build a unique cheatsheet builder, while adding more and more unique features.
Share your experience with using HttpMaster and Buildsheet.one. For example, how are they different and which one is better?
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