Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Mediamodifier - Create beautiful designs and product mockups in seconds.
Roomvine - Chatrooms for real life venues, neighborhoods and events
mockDrop - Is a webapp for creating free device mockups including your screenshots.
Jodel - What is Jodel all about? Jodel is the community that shows you what's happening in your area in real-time.