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

FBReader
Amazon Kindle
calibre
Google Play Books
The new iPad Pro
AlReader
Universal Book Reader
Fast and small cross-platform eBook reader for desktops and handheld devices

Which is more popular?
Based on our record, Extism seems to be a lot more popular than Cool Reader. While we know about 25 links to Extism, we've tracked only 2 mentions of Cool Reader.
Website, pricing, platforms and company facts side by side.
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| Website | extism.org | sourceforge.net |
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What each product offers, as listed by its team.


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


Share your experience with using Extism and Cool Reader. 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 / 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
An Android tablet and the CoolReader app. For me, it's simply the best eReader experience available. It's incredibly customisable. The only downside is it doesn't support PDF or AZW3, both of which can be reformatted to your preferred... Source: almost 4 years ago
Cool reader is also another option https://sourceforge.net/projects/crengine/. Source: over 5 years ago
When comparing Extism and Cool Reader, you can also consider the following products.


FBReader is an e-book reader for various platforms. Features:
Compare FBReader to Extism or Cool Reader:


Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Compare Amazon Kindle to Extism or Cool Reader:

Application and Data, Build, Test, Deploy, and JavaScript Compilers
Compare QuickJS to Extism or Cool Reader:
