All the ones I've looked at are shitty source code.
Because I think that we can do much better than the pile of IT-shit we have produced until now.
I am actively trying to do that, through my own code, through the articles that I write and through the discussions I engage in.
Not everybody has the luxury of doing that -- the kids have to be fed and the mortgage has to be paid and a job is a job -- but those of us who can, have an obligation to try to make the world a better place, by raising quality if IT.
-- Freely licensed
-- Has been ported to FreeBSD
-- Is certainly less of a tangled mess than OpenSSL
I know they've been making a lot of switches lately in terms of what ships with the base OS, but pretty much all of them (that I know of) have been more akin to forgetting someone else's old toys and playing with their own shiny new ones. OpenSSH and PF in particular seem to still be alive and well, and they've been around for quite a long time.