
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

WebCargo
Whoisology
WhoisThisDomain
Bulk Whois API
Active Whois Browser
JsonWhois
ICANN WHOIS
Parsed domain WHOIS data from any WHOIS server via RESTful API with metered pay as you pricing.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | jsonwhoisapi.com |
| Pricing | ||
| Company | 2026 | — |
| 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...
No description of JSON WHOIS API yet.
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevFinanceTools and JSON WHOIS API. For example, how are they different and which one is better?
When comparing DevFinanceTools and JSON WHOIS API, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
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Optimize your workflow by offloading it to us. Useful API's with seamless integration that scale to your needs.
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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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Connected database of whois records and whois history
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Should you build an internal tool? Or just buy it?
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Domain name lookup tool that allows you to get information about domain registration from WHOIS server.
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