
Cloudhiker.net
Mix
Sharkle
Kagi
Internet Intro
The Useless Web
Pointer Pointer
Visit unique, random, and independent websites at random. Click a button, get a random website. stumblingon.com is an alternative to Stumble Upon. You can submit your own indie websites too. What fun!

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


Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


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


- https://mastodon.social/web/@FunRandWeb They post every two hours a link to an indie website. Source code for the curious: https://github.com/xojoc/randomwebsitebot The websites are taken from https://stumblingon.com/ at the moment,... - Source: Hacker News / about 4 years ago
The websites are fetched from https://stumblingon.com/ (made by /u/yourtalllife). Source: over 4 years ago
This one is also deserving of traffic! Source: over 4 years ago
Tracking DeveloperToolStack since Aug 2026.
When comparing StumblingOn and DeveloperToolStack, you can also consider the following products.

Discover the most interesting, weird and awesome websites.
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A collection of developer tools in one place in your browser
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Mixes. View All · Food And Drinks. By @boyan · digital life. By @overleveraged · Photography. By @barryconway · A Long Time Ago.
Compare Mix to StumblingOn or DeveloperToolStack:

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 StumblingOn or DeveloperToolStack:


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