If you're wondering about character creation, check out the current campaign info: Solace: Collapse for the "getting started" guide, and an introduction.
Character Sheet
You can grab the PDF for the Fifth edition character sheet here: 5e_Character_Sheet, and a number of "alternate" versions are listed there as well.
Quick Web Reference
The D20srd is a quick reference guide that's easily searchable: Fifth_Edition_SRD
Here's a bunch of player aids available from galeforcenine, I highly recommend them as a store, but feel free to look elsewhere.
I haven't messed around with the spell decks and other aids, but I plan on doing so sometime soon:
Highlights of the decks for 2017: http://www.gf9-dnd.com/Home/tabid/56/entryid/327/Default.aspx
buy stuff: http://www.flamesofwar.com/gf9online_store.aspx?CategoryID=13327