CallSine
AI multi‑agent platform that automates research, writing, and outreach delivery.
CallSine is an AI‑powered sales engagement platform that automatically researches prospects across the web, LinkedIn and company data, then generates contextual email, LinkedIn and SMS messages. Built on Retrieval‑Augmented Generation, it ingests your sales assets to produce human‑like copy, coordinates multi‑channel delivery, and provides AI coaching for follow‑ups. It scales personalized outreach while saving hours of manual work, and offers a 30‑day free trial with no credit card required.