Outspokenness
De Raadt has been a vocal advocate of Free Software since the inception of OpenBSD, but he is also a strong proponent of free speech, having on occasion had rather public disputes with various groups, from Linux advocates to governments. This outspoken attitude, while sometimes the cause of conflict, has also led him to acclaim; de Raadt has given presentations at open source, free software and security conferences around the world — including FOSDEM in Brussels, Belgium, Usenix in San Antonio, Texas, U.S., AUUG Conference in Melbourne, Australia and fisl in Porto Alegre, RS, Brazil.
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