
Research
2025 Report: Destructive Malware in Open Source Packages
Destructive malware is rising across open source registries, using delays and kill switches to wipe code, break builds, and disrupt CI/CD.
jsii
Advanced tools

jsii allows code in any language to naturally interact with JavaScript classes. It is the technology that enables the
AWS Cloud Development Kit to deliver polyglot libraries from a single codebase!
A class library written in TypeScript can be used in projects authored in TypeScript or Javascript (as usual), but also in Python, Java, C# (and other languages from the .NET family), ...
Head over to our documentation website!
The jsii toolchain is spread out on multiple repositories:
jsii compiler is maintainedjsii-rosetta sample code transliteration tool
is maintained@jsii/spec, the package that defines the .jsii assembly specificationjsii-pacmak, the bindings generator for jsii packagesjsii-reflect, a higher-level way to process .jsii assembliesjsii-config, an interactive tool to help configure your jsii packageHere's a collection of blog posts (in chronological order) related to jsii:
:information_source: If you wrote blog posts about
jsiiand would like to have them referenced here, do not hesitate to file a pull request to add the links here!
See CONTRIBUTING.
Thanks goes to these wonderful people (emoji key):
This project follows the all-contributors specification. Contributions of any kind welcome!
jsii is distributed under the Apache License, Version 2.0.
FAQs
Python client for jsii runtime
We found that jsii demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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