GigaMirror is described as 'uploads your files simultaneously to multiple file hosting sites. We upload files to top sharing hosts including Rapidshare, MediaFire, FilePost, Putlocker, WUpload, DepositFiles, Hotfile, Filefactory, iFile,Sendspace, Extabit, Turbobit, Ziddu, Megashare etc'. There are more than 25 alternatives to GigaMirror, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Windows Mobile. The best alternative is Putlocker.cl. It's not free, so if you're looking for a free alternative, you could try FZmedia or Epikmovies. Other great sites and apps similar to GigaMirror are YTS.rs (Free), 123Moviesc (Free), 123Movies LA (Free) and Antmovies (Free).
Upload files to multiple hosts helps you create multiple mirrors for your files. Upload and store files to your account providers including Rapidshare, 2Shared, Rapidgator, Filepost, Uploading, Filecloud, Filefactory, Mediafire etc.