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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 Convex.dev. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | convex.dev | extism.org |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Convex.dev 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.


Really great developer experience. Helpful devs in chat.
On this pageConvex vs. FirebasenoteBackend API: Documents or Functions?Avoiding Serial Request Waterfalls// Client code in a Cloud Firestore chat app.// This loads the messages and users using multiple round...
We have no reviews of Extism yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Convex for backend functions, data, and realtime state. - Source: dev.to / 6 days ago
This is the only AI app builder that knows backend. By applying Convex primitives directly to your code generation, your apps are automatically equipped with optimal backend patterns and best practices. Your full-stack apps come with a... - Source: dev.to / 11 months ago
Convex account with production deployment. - Source: dev.to / about 1 year 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 / 3 months ago
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