Lead & Email Finders
Lead and email finders for Slack
10 of the 73 lead and email finders in this directory name Slack as an integration.
A listing names at most eight integrations, so this is what each tool chose to show rather than everything it connects to. 6 of them are free or have a free plan.
Listings checked up to Nov 13, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| Apollo.ioB2B contact database with built-in email sequences and a dialer | Free plan · from $49/mo | Yes | Web, Browser extension |
| ZoomInfoB2B contact and company data platform with AI sales tools | Free plan | Yes | Web, iOS, Browser extension |
| LeadfeederIdentifies the companies visiting your website and finds contacts | Free plan · from $79/mo | Yes | Web, Browser extension |
| AlbacrossIdentify companies visiting your site and reach their staff | Free trial · from €59/mo | Trial only | Web, Browser extension |
| WarmlyWebsite visitor identification with AI chat and intent signals | From $10,000/yr | No | Web |
| RB2BIdentify website visitors and send them to Slack or your CRM | Free plan · from $79/mo | Yes | Web |
| SnitcherIdentifies companies visiting your website, priced by company IDs | Free trial · from $49/mo | Trial only | Web |
| Common RoomBuyer intelligence and signals platform for go-to-market teams | From $2,500/mo | No | Web, Browser extension |
| OctoparseNo-code web scraping with ready templates and a cloud runner | Free plan · from $19/mo | Yes | Web, macOS, Windows |
| UnifyAI outbound platform for prospecting, signals and sequencing | Free plan · from $20/mo | Yes | Web, Browser extension |
Common questions
Which lead and email finders work with Slack?
10 of the 73 lead and email finders in this directory name Slack as an integration. They are Apollo.io, ZoomInfo, Leadfeeder, Albacross, Warmly, RB2B, Snitcher, Common Room, Octoparse and Unify.
Are these the only lead and email finders that work with Slack?
Probably not. A listing names at most eight integrations, so a tool that connects to Slack may still not say so among the eight it chose. 63 of the 73 lead and email finders here do not name it; that is a "does not say", not a "cannot". Check the vendor's own integrations page before you rule one out.
Which of these lead and email finders are free?
Apollo.io, ZoomInfo, Leadfeeder, RB2B, Octoparse and Unify are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.