The first bullet point on the Amazon listing for the WRT54GL is “Linux-based, open-source firmware allows you to customize your device”. The original WRT54G su

The first bullet point on the Amazon listing for the WRT54GL is “Linux-based, open-source firmware allows you to customize your device”. The original WRT54G supported loading third party firmware, until Linksys removed that ability in V5 by switching from Linux to VxWorks. After the backlash, Linksys released the WRT54GL which was able to use third party firmware again. https://www.smallnetbuilder.com/wireless/wireless-reviews/26843-linksyswrt54gv5reallyisalousyrouter https://www.smallnetbuilder.com/wireless/wireless-reviews/26... Anecdotally, the only reason I bought a WRT54GL was because I could run DR-WRT on it.