
Wasmer
QuickJS
Lapce
Kata Containers
OpenCL
PostSharp
Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.

Smartappreview
Ansview.app
Birdeye
Podium
Reputation.com
AppFollow
Judge.me
Proviews: Your all-in-one product review management app. Enhance trust, showcase reviews, and improve SEO with automated UGC and rich snippets.

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 | extism.org | proviews.com |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Overall verdict
Why this product is good
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Proviews - 'Product reviews and ratings' app for your shopify store.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Extism and Proviews. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 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 / 4 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 / 4 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 / 4 months ago
Tracking Proviews since Aug 2025.
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