Downloading Readup 6.3 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app is a product of reallyread.it, inc. We recommend checking the downloaded files with any free antivirus. The application belongs to Communication Tools.
From the developer:
Readup is an article-based social reading network. The application is designed to help you find, read and share the best articles and stories online. Therefore, you can easily import articles from your favorite publishers and blogs. Or you can browse the Readup's collection of top-quality articles.
You may want to check out more Mac applications, such as Hahlo, Facile or BlogThing, which might be related to Readup.