Based on our record, Apollo.io seems to be a lot more popular than Diigo. While we know about 63 links to Apollo.io, we've tracked only 1 mention of Diigo. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
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: 11 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
Https://diigo.com It's less simple than Delicious used to be, but it scratched the itch for a while for me. I barely ever bookmark anything these days. When Delicious was sold I stopped using it, and realised I didn't miss bookmarking and hardly ever read any of my bookmarks anyway. Excessive bookmarking seems like FOMO to me, I try to avoid it and embrace a more Zen-like attitude :). - Source: Hacker News / almost 2 years ago
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ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.