one sec
ActivityWatch
Opal.so
LeechBlock
Cold Turkey
Forest App
Freedom.to
Self control and wellbeing, monitor phone usage, and digital detox.

DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.
Which is more popular?
Based on our record, StayFree seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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SF
StayFree
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|---|---|---|
| Website | stayfreeapps.com | devtoolstack.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
This is not good or bad review video | photography with stayfree | #shorts | #valarmathiphotography
More videos
No DeveloperToolStack videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using StayFree and DeveloperToolStack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Stayfree Android, Apple devices, Chrome, Firefox. Free versions are quite effective, easy enough to set up, not limited in terms of # apps/sites you can block. Source: almost 4 years ago
I've started using an app and website blocker, this one works the best I've found on Android/Chrome/Firefox: Https://stayfreeapps.com/. Source: over 4 years ago
Tracking DeveloperToolStack since Aug 2026.
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Log what you do on your computer. Simple (yet powerful), extensible, no third parties.
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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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Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.
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Free, no-signup calculators for the money side of building software and freelancing
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