Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Ceremony - Ceremony is the fastest-growing wedding photo collecting application that allows you to easily collect all your wedding pics from guests.
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
Wedbox - Wedbox is known as one of the best wedding photo app that lets you easily collect all your wedding photos and videos from guests.
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
RegexOne - RegexOne offers learning regular expressions with simple, interactive examples.