Side by side
Brython vs JSweet
Both stand on code transpilers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneSelf-hosted+1
Brython brings Python syntax and browser APIs together for interactive web pages, with several ways to load or deploy applications. Browser security constraints and the exclusion of C-extension packages define important limits.
Visit Brython Free plan Open source AndroidAPIiPhone+5
JSweet gives Java developers a route to JavaScript output while working with JavaScript libraries and tools. Its setup requires several development tools, and its focus is specifically source conversion from Java.
Visit JSweetThe facts
| Brython | JSweet | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Android, iPhone, Self-hosted, Web | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | brython.info | jsweet.org |
| On code transpilers | #5 of 28 | #1 of 28 |
Brython: what it does well
- Uses Python 3 in HTML pages.
- Provides DOM access through document and window.
- Supports async and await through browser.aio.
- Can load from jsDelivr or cdnjs without installation.
- Compatible packages can be added with brython-cli.
What to know first
- Cannot use CPython packages that rely on C extensions.
- Browser limits prevent file writing through its Python interface.
- Network requests are restricted by browser rules.
JSweet: what it does well
- Generates type-checked JavaScript
- Supports over 1,000 JavaScript libraries and plugins
- Plugins available for Eclipse, Maven, and Gradle
- Browser debugging mode for Java code
What to know first
- Getting started requires Git, Node.js, and Maven
- Focused on Java-to-TypeScript and JavaScript conversion
Alternatives to Brython Alternatives to JSweet The whole list