This page has links to all user-relevant pages of the OpenWrt/LEDE documentation.
Recommendation: Use the Search box (at the top right of this page), to quickly find things.
Alternate NTP servers:
NAS services (network attached storage):
LEDE is based on OpenWrt. A lot of the operational aspects of the two projects are identical.
Several former OpenWrt documentation content has not yet been added to this site.
If you can't find answers on this LEDE documentation for some of your questions, try a peek on the OpenWrt wiki as well.