Comparisons of DH Platforms

How does Prospect compare to other Digital Humanities platforms that deal with structured data collections? Here is a chart with some of the salient features.

Feature(s) Prospect Palladio Tableau Omeka/Neatline
Cost Free Free Cost depends on platform and service used Free
Is resulting project available online? Yes No Yes Yes
Do you have control and ownership over data on your own server? Yes N/A If you purchase a license for your own server Yes
Open-source code? Yes No No Yes
Support for multiple user work flows? Yes No Yes Limited
Easily define colored Legends on object properties? Yes No Yes No
Built-in audio and video playback widgets? Yes No Limited Limited