A cross-browser JavaScript range and selection library.
The current version is version 1.3.0.
The latest source code and releases are on GitHub.
There is now an official Rangy package for Bower with Rangy 1.2 and 1.3 versions, called rangy.
Rangy 1.3 has AMD support.
There is an official Rangy module on NPM called rangy.
Documentation is in the GitHub wiki.