
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

Workout.lol
Liftlog
Nike Training Club
Kenko
Grease The Groove App
Workout Cool
Sworkit
Guided at-home exercises

Which is more popular?
Based on our record, Feeel seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | gitlab.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 Feeel yet.
What each product offers, as listed by its team.


Possible disadvantages
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 Feeel. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DevFinanceTools since Aug 2026.
I'm actually working on a free and open-source fitness app myself! https://gitlab.com/enjoyingfoss/feeel/. Source: over 3 years ago
I'm personally the author of Feeel, which is a fitness app in Flutter for Android and Linux. Source: over 3 years ago
Feeel — A home workout app that respects your privacy by Enjoying FOSS. - Source: dev.to / almost 5 years ago
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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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Track workouts effortlessly with single-tap set completion, automated rest timers, and precise failure tracking.
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Should you build an internal tool? Or just buy it?
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