Pepperfilters - Pepper's Snapchat Geofilter creator allows you to easily create a custom snapchat geofilter for your birthday, wedding or event.
Vidcode - Build your own Snapchat filters with code
Snapchat Geofilters - Bespoke filters for different locations on your snaps.
Snapcode Stickers - Promote your Snaps with stickers
ARGear - The easiest way to add Snapchat-like AR features to your app
Snap - Snap (formerly BYOB) is a visual, drag-and-drop programming language.