Resources for folks who are currently or are wanting to work remote.
Companies that are known to hire remote.
Job boards:
https://weworkremotely.com
http://www.powertofly.com
https://www.flexjobs.com (paid subscription required, $14.99/monthly unless they're running a deal)
https://remoteok.io
https://codepen.io/jobs
https://www.usajobs.gov (search on keywords 'location negotiable')
Newsletters:
Remotive Tips
Collaboration tools:
https://slack.com
https://appear.in/
https://hangouts.google.com/