
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
2048
Duck Hunt JS
Zelda 30 Year Tribute
Flappy Bird (HTML5)
Blocks
Floppy Bird
Wolfenstein 3D HTML5
The original Lemmings in your browser

Which is more popular?
Website, pricing, platforms and company facts side by side.
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JSL
JSLems
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|---|---|---|
| Website | devfinancetools.com | bombsite.org |
| 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 JSLems 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 JSLems. 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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Play 2048 Game Online. Join the numbers and get to the 2048 tile!
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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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DuckHunt ported to JS and HTML5 with a level creator.
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Should you build an internal tool? Or just buy it?
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The Legend of Zelda made with voxels
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