Burst - Burst has thousands of hi-res photos that are free to use.
MUTE - Crowdsourced words list to mute on social media
Referenda - Fostering a new age of digital activism
News Feed Snooze - Hide a person, Page or group for 30 days on Facebook
Change Politics - Elections by the people
Mute Filters by Feedly - Block distracting memes, amplify news that matters