VNDB - A visual novel database.
Eroge Download - Translated and partially-translated VN downloads.
Baka-Tsuki - Light novel translations.
Baka-Tsuki PDFs - BT translations in PDF form.
Animebyt.es - A good private tracker for VNs.
Ren'Py - Make your dreams of creating a visual novel come true.
VNTL Status Tracker - Gives current status of translation projects.
Crane Anime - A maximum level weeaboo blog with some guides and other useful information.
/vg/'s VN General Wiki - /vg/'s visual novel infodump. A decent enough starting place for newfriends.