Giada - Giada is a free, minimal, hardcore audio tool for DJs, live performers and electronic musicians.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Splash for Roblox - Make music, get famous
Mediamodifier - Create beautiful designs and product mockups in seconds.
Roland 808303.studio - TR-808 drum machine and TB-303 bass synthesizer emulator
mockDrop - Is a webapp for creating free device mockups including your screenshots.