
Gyroscope
Daylio
Bearable App
Habitica
Everyday
Streaks
HabitBull
Track everything in one place, understand your life.

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, Exist seems to be more popular. It has been mentioned 43 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | exist.io | devtoolstack.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Exist - Board Game Review
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How often each product is chosen within a category, 0–100% relative to the other.


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


As someone who has been on and off the Degoogle train (I ran full LineageOS without Google Play at one point) and is now pretty deep in iOS territory, I'd say the main thing for me has been email. I've used https://www.fastmail.com for a... - Source: Hacker News / almost 2 years ago
You may want to look into https://exist.io/. It's a very indie developer duo out of Australia (IIRC). And also IIRC they were looking for a buyer on Twitter some time ago. - Source: Hacker News / about 3 years ago
I have used this previously when tracking health metrics and I couldn't much else that had integrations. https://exist.io/. - Source: Hacker News / about 3 years ago
Tracking DeveloperToolStack since Aug 2026.
When comparing Exist and DeveloperToolStack, you can also consider the following products.

Gyroscope is a personalized dashboard for tracking your life.
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A collection of developer tools in one place in your browser
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Daylio enables you to keep a private diary without having to type a single line.
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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.
Compare FullStackToolkit to Exist or DeveloperToolStack:


Free, no-signup calculators for the money side of building software and freelancing
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