nirvana was my biggest influence when i was first getting into music many years ago, so i may be of some help to you.
i would check out ween. their whole discog is amazing but chocolate and cheese might be a good starting point for you.
you might like some post-hardcore. unwound - repetition, fugazi - repeater. if you enjoy those, alice donut is a really underrated band you should check out. mule is a fantastic album by them.
if you want some female fronted act, i would highly recommend sleater-kinney. dig me out and the hot rock are great 90s albums.
for more indie rock i would recommend polvo - today's active lifestyles. thinking fellers union local 282 - strangers from the universe is another great one.
if you need more suggestions i have plenty