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120 free browser-based developer utilities. No sign-up required.

Which is more popular?
Based on our record, Fraidycat seems to be more popular. It has been mentioned 32 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devtoolstack.io | fraidyc.at |
| Pricing | — | |
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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 DeveloperToolStack and Fraidycat. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of DeveloperToolStack yet. Be the first one to post
I was looking for something like this for quite some time. I've been using Fraidycat for about 2 months now. It's very simple and easy to use. I love the you can organize your feeds by simple "emoji" tags. Also, the...
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolStack since Aug 2026.
Besides being useful, this just seems fun as heck after watching the demo video. I'm curious if folks have examples of other similarly fun/whimsical (but still useful!) software. I would submit https://fraidyc.at/ to the list. - Source: Hacker News / about 1 year ago
I'm pretty sure that the real reason is spam. Nobody is composing e-mail with complex designs to send their colleagues. I feel like the major problem with almost everything that has a feed these days is the feed. Real state is a finite... - Source: Hacker News / about 1 year ago
There are a couple readers that avoid that by providing a calmer experience without a firehose and without background fetching. https://blogcat.org (I made this one) https://fraidyc.at (this is the inspiration for many calm readers)... - Source: Hacker News / over 1 year ago
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