Lucky☆Star, Ore no Imouto ga Konnani Kawaii Wake ga Nai Recommendations
Both are about otaku girls and their friends and family- though there's more drama in OreImo, and Lucky Star is a lot more easy going
Both are about female otaku & how her friends/family feel about their hobby
The protagonist is a otaku, The difference is that it if supported
If you are looking for a similar show about otaku culture, this is it. Whether it's to laugh at the main character's obsession with the hobby or secretly envy the devotion, just having enough "knowledge" to watch her (Kirino/Konata's) actions and understand them makes it a fun experience. However, their paths along this nerdy road are quite different so it's also nice to look at it from the perspective of someone who has the support of most of his friends and family and one who doesn't really have to courage to come out. Lots of references, tackling of shady subjects of pop culture and great
otaku girls and their friends, families, and hobbies
Both main protagonists are okatus.
Both anime are light-hearted slice of life animes.
They both include an otaku girl/fujoshi and portray her hobby as not very positive.
They also both involve a tsundere (Kagami & Kirino/Kanako).
As well as a dandere (Miyuki/Tsukasa & Kuroneko/Ayase)