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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 should be more popular than Opensource Builders. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opensource.builders | extism.org |
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What each product offers, as listed by its team.


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


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


You say you only use open-source and I’m the same way but I’ve asked agents to evaluate open-source alternatives. How is that psychosis? If it’s typescript or JavaScript, I can read the code but if it’s Rust/Go/etc, yeah I get AI to read... - Source: Hacker News / 3 months ago
If you’re open-source, I have a directory you can also submit your product on: https://opensource.builders. - Source: Hacker News / 3 months ago
There is also slant.co , https://opensource.builders/ and https://switching.software/ . Source: over 5 years ago
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 / 4 months ago
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