GoComics.com is an online, free website that provides free daily comics. It was launched in 2005, and it will show over 50 different comics. They sometimes use reruns, such as every Peanuts strip on the site after 13 February, 2000.
In the Big Nate series, they show every comic from 1991 but they skip the years 1992-1996, with the exception of very few sunday strips from 1993. They also have Big Nate - First Class, which are Big Nate reruns from 1990s and early 2000s.
If you go to read most of the comics on gocomics, scroll down to the bottom of the page and you will likely find the secret bonus strip!