Up1 is described as 'ca is the simplest file hosting application you'll find on the internet. You just have to drag-in the file you want to share and the application will handle it' and is an app in the Development category. There are more than 50 alternatives to Up1 for a variety of platforms, including the Web, Windows, Linux, Mac and iPhone. The best alternative is Dropbox, which is free. Other great apps like Up1 are MEGA (Freemium), Imgur (Freemium), Flickr (Freemium) and MediaFire (Freemium).