Programming

Solaris 2 Porting FAQ
Frequently Asked Questions about porting software from BSD or SunOS 4.x to Solaris 2.x
ftp://sunsite.unc.edu/pub/solaris/FAQS/Solaris_2_Porting_FAQ

Solaris ABI Tools
Program to make tools to help developers test binary compatibility of their products on new releases of Solaris; tool to certify that programs run on Solaris. All tools are free.
http://www.sun.com/developers/tools/abi/

WinDriver Solaris - device driver development tool kit
WinDriver for Solaris features a unique graphical wizard, for hardware diagnostics and automatic code generation. No DDI/DKI knowleage is needed. WinDriver Solaris supports the PCI / ISA buses on both Sparc and Intel platforms.
http://www.jungo.com/wd-solaris.html