Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

bower.io "untrusted" keyword

Top 6.2% on bower.io
jailed v0.3.1
execute untrusted code in a sandbox with custom permissions
5 versions - Latest release: almost 8 years ago - 5 dependent repositories - 945 stars on GitHub
adder-script 1.0.2
Python like language to execute untrusted codes in browsers and Node.js.
3 versions - Latest release: over 5 years ago - 47 stars on GitHub