Apollo.io seems popular for cold email. Source: 7 months ago

FAAANGM + ATlassian/Uber and similar product based companies 85 lacs - 1.1 cr Startups like coinbase / apollo.io / rippling 80+. Source: 9 months ago

Their data seems pretty good and their features are awesome, but they had a couple of glitches this week that are annoying me. I know they seem to be the best, but has anyone bested them yet? Curious if there's anything out there that's better than Apollo.io. Source: 11 months ago

Tons of options: apollo.io is popular and affordable. If you're looking for recently funded company contact info, saasydb.com is good. Source: 12 months ago

I agree with most people here in that its invaluable. Especially when paired with some other tools like apollo.io and autobound.ai. Source: 12 months ago

Someone sent me this standby list - never got a call from it but wondering if it’s the same situation: https://vaxstandby.com/. Source: about 3 years ago

I saw one and then it disappeared, will keep the page up and refresh. We also signed up for this standby list in case people cancel https://vaxstandby.com/. Source: over 3 years ago

A quick search lead me to this NBC News Article which links to a similar project vaxstandby.com who have posted on their website that they've joined forces with hidrb.com. Source: over 3 years ago