Thunderbird (2005) 0 Communications Windows Linux Mac OS X

Thunderbird is an e-mail client based on the integrated Netscape/Mozilla e-mail client. With the release Firefox, it was spun off in to a separate standalone product. It includes the same HTML rendering engine used in Firefox to render HTML formatted messages.

• 1.x
• 2.x

Virtual PC (1996) 16 Virtualization MacOS Mac OS X

Virtual PC started off originally as an x86 emulator for PowerPC Macintosh to run MS-DOS and Microsoft Windows. Connectix, the company that made it, was purchased by Microsoft. Virtual PC was then retooled into a virtualization tool for x86 systems. Microsoft discontinued Virtual PC in favor of a server-oriented virtualization product called Hyper-V.

• 5.x
• 6.x
• 7.x