
UserTesting.com
Maze
Hotjar
PlaybookUX
UXtweak
UserBob
UserZoom
Easy, fast, and affordable user testing for websites and prototypes.

Avataaars Generator
Wasmer
QuickJS
Kata Containers
Lapce
Productivity Power Tools
Medium
Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.

Which is more popular?
Based on our record, Extism seems to be more popular. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | userbrain.com | extism.org |
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| Platforms | — | |
| Company | 2014 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Userbrain is a remote user testing tool backed by a community of over 120k+ testers worldwide. Start testing in minutes. Get results in hours with easy, fast, and affordable user testing. Find out what’s working for your product — and what’s not. Whether you’re a UX Designer, Researcher, Product...
No description of Extism yet.
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Extism yet.
Walkthroughs and reviews on video.
Make money testing websites with Userbrain (2016)
More videos
No Extism 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 Userbrain and Extism. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Userbrain is a great UserZoom alternative when you are only looking to run a couple of tests and don’t look for any extra features. They can provide you with basic usability and user tests.
While Userbrain is all-in-all a good user testing platform, it might not be for everyone. People are different as are their needs and projects – therefore we have put together a list of 5 user testing tools that could...
We have no reviews of Extism yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Userbrain since Mar 2021.
Technically WASI 0.1, but I used it (via Extism[0]) to implement a simple login library[1] that works in Rust, Go, and Node. Would be trivial to add other lanugages supported by Extism. Overall I loved the dev experience. [0]:... - Source: Hacker News / 3 months ago
I tinkered with https://extism.org and basically the use case is that they suggest, namely you can extend software in another programming language but without having to setup a container or VMs on the client. They "just" run the code in... - Source: Hacker News / 3 months ago
Check out https://extism.org, it is built for those kinds of use cases. However I think WASI and components could enhance it. - Source: Hacker News / 3 months ago
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