Solaris Websites
The NetBSD Project
PowerPC, Alpha, SPARC, MIPS, SH3, ARM, amd64, i386, m68k, VAX: Of course it runs NetBSD.
WineHQ - Run Windows applications on Linux, BSD, Solaris and Mac OS X
Open Source Software for running Windows applications on other operating systems.
Introduction
Download free and open source (FOSS) precompiled binaries and sources for Solaris (SPARC and x86/Intel/AMD). Over 15,000 downloads available.
ServerWatch -- Everything Servers: Virtualization, Blades, Power & Cooling -- Technology News, Trends and Analysis for Server Admins
ServerWatch is the leading IT resource on all things server. If you're interested in servers, be it virtualization, blades, power & cooling, open source, or green computing, ServerWatch has you covered with news, trends, analysis and reviews that meet all of your data center needs.
pgAdmin: PostgreSQL administration and management tools
pgAdmin is the leading graphical Open Source management, development and administration tool for PostgreSQL, running on Windows, Linux, Solaris, FreeBSD and Mac OSX
4Front Technologies
Open Sound System is an Open Systems/UNIX audio and MIDI architecture which supports off-the-shelf audio hardware.