The best alternatives to Treck.co are Anyleads, Kollect, and LeadFlare. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Anyleads is a marketing agency that provides marketing automation solutions to small and larger businesses. It builds high-end SAAS products and marketing tools to find leads.
Kollect classifies and collects your users' messages and contact info (emails & phone numbers) from inbox and comments on your Facebook Pages. You can create custom fields, automatic replies, download or send your leads to your favorite CRM via webhooks.
Leadflare's machine intelligence automates the tedious lead generation tasks to help match millions of business profiles with your products and services so that you get quality leads fast. Setup takes just two minutes and you can start collecting leads.
Lead Miner bot finds relevant people contacts (email, social media profiles) and basic info (title, current position). It gets data from several public services transforms it and gives result to user in a CSV file.