I hate to be that guy, but as far as I know neither Tomato nor DD-WRT are fully open source. Both have some proprietary component (and not just wireless firmware blobs). The only fully open source distribution I know of is OpenWRT. I have that + X-WRT on my router, but it's about a year or so out of date. I absolute love it! A friend of mine just installed it on his router with the Luci front end and he was just raving about it to me.
Their source distribution is really nice too--they keep everything in a sort of ports style makefile setup. When you get the source and build, it ends up compiling the appropriate gcc for cross compiling (a bunch of times for different libraries), etc. It was all very pleasant.
Their source distribution is really nice too--they keep everything in a sort of ports style makefile setup. When you get the source and build, it ends up compiling the appropriate gcc for cross compiling (a bunch of times for different libraries), etc. It was all very pleasant.