Online Reading and Feeds
RSS
I use FreshRSS to manage my feeds for me and the associated Android client for on the go. On the desktop I use NewsFlash reader which can also subscribe to FreshRSS
Read it Later App
I use Wallabag to store articles I want to read later and the accompanying android app for on the go. I use Read it Later for Wallabag stuff on desktop and the Firefox plugin for quickly adding things to my to read list.