Omniscope is described as 'Filter, analyse and edit information in interactive point-and-click graphs, charts and maps, import web content, and create slider-driven models' and is an app. There are more than 10 alternatives to Omniscope for a variety of platforms, including Web-based, Windows, SaaS, Mac and Self-Hosted apps. The best Omniscope alternative is Tableau. It's not free, so if you're looking for a free alternative, you could try OpenRefine or Zoho Analytics. Other great apps like Omniscope are Marple Insight, Datacopia, Spotfire and Trifacta.