As an IT guy who supports a couple dozen offices I'm already getting asked by clients over the last 48 hours what alternatives are out there... Please give feedback on below categories for alternatives to the big tech companies. I just bought a relevant domain name and will create a page that provides this info once collected. Will share with the masses!

Online Shopping

Mobile phone manufacturer

Mobile service

Internet service

Computer hardware

Computer Operating System

Browser

Search Engine

Office applications

Email hosting

Cloud storage

Social Media (like Twitter)

Social Media (like Facebook)

Social Media Videos

Internet payments

TV manufacturer

TV media player

Movie/Show streaming