novelupdates.com is a site where translators post their translations.

nyaa.si has some officially translated Japanese light novels but for some the non-mtl fan translations are better than the official like for Overlord.

Some manhwa/manhua scanlators also translate Korean and Chinese light novels like reaperscans.com (site down), flamecomics.com (stopped novel tl)

https://fora.snahp.eu/ has an enermous repo buried somewhere

https://toc.qidianunderground.org/ has a lot of translated Chinese web novels if you’re not specifically looking for Japanese light novels

I use ln reader. It’s similar to tachiyomi

Have you checked the anime torrent trackers? I’m pretty sure they have some