1.Uses JSX for templating
2.Integrates with other MV* Frameworks
Can be used to replace a part of another framework without removing the remaining features.
3.Supports composed (partial) views
Allows for nesting view templates into top-level views from within a template.
4.Published under Apache License
The Apache License is a very permissive license which allows all uses, including business use, without warranty.
5.versions of Internet Explorer supported
Legacy browser support can be important for corporate projects and projects with a large user base consisting of Internet Explorer users.
6.Has integrated input validation
Built-in utilities to help validate client input before it gets processed or sent to a server. While this does not replace server-side validation, it can vastly improve the user experience.