
DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.

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 | devtoolstack.io | gitlab.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


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


No analysis of DeveloperToolStack 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 DeveloperToolStack 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 DeveloperToolStack 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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Free, no-signup developer tools for technical SEO: robots.txt, sitemap.xml and .htaccess generators, plus practical guides. Everything runs in your browser.
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Track workouts effortlessly with single-tap set completion, automated rest timers, and precise failure tracking.
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Free, no-signup calculators for the money side of building software and freelancing
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