Progress software spin-off offers services and support around packaged open source apps
Nagios offers a great example of why open source needs to protect its brand
Jailbreaking tools going open source
Open Source pen test tool releases pro version based on open core
Battles at MySQL and OpenOffice are just the latest skirmishes
For those who didn't get on in the beginning of the ride
Open source is not a shield from criticism
Competing Against Open Source Is Not Hating Open Source
Suricata, Emerging Threats and the OISF take on Sourcefire and Snort
The Open Cinema Movement is trying to change who, how and when we view movies