placeholder.pics - Lightest way to include placeholder images in your design
puRRing - Cute cat videos with every incoming call on your Android
PlaceKitten - Dead-easy placeholder images. Of kittens.
News Feed Snooze - Hide a person, Page or group for 30 days on Facebook
Fill Murray - Custom-sized placeholder images of Bill Murray
MUTE - Crowdsourced words list to mute on social media