The best websites like Multiup.org. Top Multiup.org alternatives 2020. Explore 166 alternatives to Multiup.org and read 10 reviews now on SameAs.NetMultiUp.org is a multi-uploading website. Users upload a file to the website and the file is quickly uploaded to the hosting file and users get a link. With this link, users can download their files on various hosting websites. Users will upload files only once so that they can send to multiple people and increase bandwidth. MultiUp.org which is completely free can give users a link to share files and save time. This site was founded in 2008 by Blueman with the help of Redman for testing and ideas. This site, which does not receive any payment, tries to survive with donations and advertisements.