JavaScript Capability Projects

SES-shim

13 735 9.9 JavaScript

Endo is a distributed secure JavaScript sandbox, based on SES

Project mention: Malicious libraries can steal all your application secrets in Elixir | news.ycombinator.com | 2023-07-22

I used E in the 90s: http://erights.org/
I haven't kept up with newer systems but I've heard of https://github.com/endojs/endo and just came across http://reports-archive.adm.cs.cmu.edu/anon/home/anon/isr2017... (which says "in the style of the E programming language" -- that's as far as I've read) while looking that up.
WebAssembly was designed to follow the same capability security principles. CHERI too as someone else just brought up.

ocaps

2 17 0.0 JavaScript

Object capability (ocap) tools and macros for Scala.
SurveyJS

surveyjs.io sponsored

Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).