UserVoice.com is a popular feedback and suggestion service and it appears that it has worked so well for the Windows Insiders program and the many others (like Cortana and Xbox) that Microsoft is starting to push additional products to the feedback forums.
The company has now created UserVoice forums specifically for System Center Configuration Manager and Intune…
ConfigMgr Feedback Portal: http://configurationmanager.uservoice.com
Intune Feedback Portal: https://microsoftintune.uservoice.com
Prior to providing these options, Microsoft would require customers to submit feature suggestions and feedback using its Microsoft Connect web site. Microsoft will still be utilizing that resource, but only for submissions of bugs.