You could have downloaded DeepaMehta 4.8.7 for Mac from our application library for free. This free software for Mac OS X is an intellectual property of The DeepaMehta Community. The application is included in Communication Tools.
From the developer:
DeepaMehta is a software platform for knowledge workers. The special feature of DeepaMehta is the situation-centered user interface: information belonging to one working context is together with its meaningful relationships displayed and edited in a single window.
You may want to check out more Mac applications, such as ituwitter, Raptr or TwitterTool, which might be similar to DeepaMehta.