Organizers of the upcoming OpenSource World conference broadened the event program and are offering free admission, hoping to attract more attendees in a time of slashed travel budgets and increased competition from similar shows.

The conference was previously known as LinuxWorld. This year's event is scheduled for Aug. 12-13 in San Francisco's Moscone Center.

Key topics will include Drizzle, a database project based on the MySQL codebase, mobile development and security, said event chairman Don Marti. The CloudWorld and Next Generation Data Center events will run concurrently with OpenSource World...