Some usefule sites for researching startups:
Owler: Owler is an American internet company headquartered in San Mateo, California. It crowdsources competitive insights[2] by providing news alerts, company profiles, and polls and allows members to follow, track, and research companies in real time. The company was founded in 2011 and has over 2.7 million active users.
enlyft: TBW
g2: Compare the best business software and services based on user ratings and social data
onlyfans: Like patreon, but mostly for sex workers