Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
ViralSweep - Grow your fans and increase sales with sweepstakes and giveaways.
QGIS - QGIS is a desktop geographic information system, or GIS.
Retweet Picker - Retweet Picker is an online tool that is helping you to select the random winner from Twitter for the giveaways.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
KingSumo - Grow your audience with viral giveaways that cut marketing costs