Retro Virtual Machine - The ZX Spectrum and Amstrad CPC emulator which works natively in macOS, Linux, and Windows.
JSSpeccy - ZX Spectrum emulator in JavaScript
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Spectaculator - Spectaculator is the world's premier Sinclair ZX Spectrum emulator for PCs running...
Dropsource - Mobile development platform for building native iOS & Android apps
GoodBarber - GoodBarber is a mobile app creation platform.