Blind is best known as the social network platform for tech workers at FAANG (Meta/Facebook, Apple, Amazon, Netflix, Alphabet/Google) and similar companies to anonymously report company culture, complain about management, ask for advice navigating interoffice politics, and discuss career strategies, amongst other (often toxic or cringey) topics this community rallies around.
The job board, however, is active for big tech opportunities and doesn't require a login to reach application pages.