
Omni Calculator
calculator.net
Build vs. Buy Calculator
DeveloperToolStack
DevNestTools
DevTools Advanced
DevTools.fit
Free, no-signup calculators for the money side of building software and freelancing

JSON Placeholder
JSONing API
JSON Server
mocki Fake JSON API
MockRest
The most flexible way to mock REST APIs with Lua code execution

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | mockae.com |
| Pricing | ||
| Company | 2026 | 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
Mockae is an open-source solution designed for effortless REST API mocking. Built on Lua, it empowers developers to tailor API responses, including headers, bodies, and status codes, to meet their specific needs. Perfect for developers and testers who require fast and flexible API mockups.
What each product offers, as listed by its team.


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


No analysis of DevFinanceTools yet.
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 DevFinanceTools and Mockae. For example, how are they different and which one is better?
When comparing DevFinanceTools and Mockae, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
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JSON Placeholder is a modern platform that provides you online REST API, which you can instantly use whenever you need any fake data.
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Free and open-source mock API for testing and prototyping. Easily create a mock API from JSON data, with the ability to define custom rules for HTTP status codes, headers, and response bodies.
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Should you build an internal tool? Or just buy it?
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Get a full fake REST API with zero coding in less than 30 seconds. For front-end developers who need a quick back-end for prototyping and mocking
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