If you're a Mac user, download and try this app. It reads pdfs, but it also allows you to add text boxes, highlight tet, etc, and all those changes are linked. Very nice for sharing pdfs with comments. And it's free!
XMeeting is a SIP and H.323 compliant and Open Source videoconferencing client for Mac OS X (10.4 and later). The current version of XMeeting is 0.3.4. Historically, XMeeting has evolved from ohphoneX. However, XMeeting has been rewritten from scratch and uses a totally different software architecture than ohphoneX.
Although not yet being a 1.xx release, XMeeting is quite stable, has good interoperability with other clients and provides many unique features such as the sophisticated Address Book integration. Much effort has been put into the Mac OS X native GUI. We think the result is worth it!
MathCast is an equation editor, an application that allows you to input mathematical equations. These equations can be used in written documents, webpages, and even databases. They could be rendered graphically to the screen or to picture files.
MathCast can be used freely by anyone: students can create equation sheets to help them in their studies, educators can write handouts or study guides, webmasters can add mathematics to their website, and the list goes on and on.
So what is it?
Want to listen to internet audio programs but can't when they are scheduled? This program lets you create your own custom online audio anytime, anywhere. Really.