GetProspect: Offers a free plan

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HubSpot CRM (Free Version): As mentioned for B2C, its free CRM is also highly valuable for B2B. It allows you to manage leads, track website activity, and use basic forms and live chat for lead capture. It's a great all-in-one starting point.
Bitrix24
1 . (Free Plan): A comprehensive platform offering CRM, project management, and collaboration tools. Its free plan includes basic CRM functionalities, lead management, and web forms for lead capture.
EngageBay (Free Plan): An all-in-one platform with CRM, marketing automation, live chat, and service features. Their free plan includes features like lead capture forms, landing pages, and email marketing.
2. Lead Data & Prospecting (with Free Credits/Limits):

Hunter.io: Excellent for finding email addresses associated with a company's domain. The free plan allows a limited number of searches and verifications per month. Useful for targeted cold outreach.
Wiza: A lead generation tool that allows you saudi arabia cell phone number data to extract email lists from LinkedIn Sales Navigator. The free plan provides a limited number of free leads (e.g., 25 per month) and a free Chrome extension for finding emails on LinkedIn profiles.
FindThatLead: Provides a limited free plan to find email addresses and contact details from company websites or LinkedIn profiles using their Chrome extension.
(e.g., 50 emails per month) for its database search and email finder to identify leads matching your ideal customer profile.
Voila Norbert: An email finder and verifier tool with a free trial that allows you to find a limited number of email addresses.
Skrapp.io: Provides a free plan for finding verified B2B emails, often with a limited number of credits per month.
3. Website Visitor Identification: