WebDataRocks Pivot Table
VanillaList
React
Flourish
Vizdium
SCImago Graphica
DataGridXL2
No dependency, pure JavaScript component for data entry

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

No description of FathGrid yet.
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...
What each product offers, as listed by its team.

No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using FathGrid and DevFinanceTools. For example, how are they different and which one is better?
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Helping you make rational decisions, one calculation at a time.
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Repository of handpicked best vanilla JavaScript plugins and resources to save time as a developer and create high-performance web apps.
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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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A JavaScript library for building user interfaces
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Should you build an internal tool? Or just buy it?
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