telli
telli is an AI-powered call automation platform designed to handle outbound and inbound phone outreach for businesses, letting AI voice agents carry out natural, human-like conversations to qualify leads, book appointments, or transfer warm leads to human agents. It uses smart dialing strategies, dynamic number rotation, and automatic callbacks to maximize pick-up rates and supports multilingual voice agents with natural accents to engage customers in different languages. It integrates with CRM systems, calendars, and customer workflows so calls can trigger actions like scheduling, data capture, or lead handoffs, no manual dialing or follow-up needed. Calls are transcribed and summarized, providing analytics on outcomes, sentiment, and topics, allowing teams to track performance at scale and refine outreach strategies. telli enables businesses to reach leads quickly after acquisition, nurture, re-engage, or follow up via phone, SMS, WhatsApp, or email.
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OneShot
OneShot.ai is an AI-powered platform designed to automate and enhance go-to-market strategies by eliminating manual tasks and improving interactions for scalable success. The platform features several AI agents, including the Insight Agent, which automates prospect research to deliver deep insights instantly, and the Personalization Agent, which crafts personalized messages across email, LinkedIn, and calls using insights from the Insight Agent to ensure targeted and impactful communication. OneShot.ai integrates seamlessly with tools like HubSpot, Apollo, Outreach, and SalesLoft, enhancing productivity through its Integration Agent. The Persona Agent increases productivity by automating tasks and crafting outreach that reflects a brand’s unique voice, ensuring every message sounds human and authentic. Additionally, the Scaling Agent balances volume with quality by coordinating with the Insight and Personalization Agents to scale outreach without overwhelming prospects.
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CallSine
CallSine is an autonomous, agent-powered outreach and sales-engagement platform that researches prospects deeply, scraping websites, LinkedIn profiles, and company information, to deliver hyper-personalized messaging at scale. It uses a multi-agent pipeline built on retrieval-augmented generation to ingest your sales and marketing assets, understand your value proposition, generate individualized emails, LinkedIn messages, or calls, and orchestrate deployment across channels with timing and cadence tailored to each prospect. CallSine doesn’t rely on basic templating; instead, it builds context-rich outreach by combining deep prospect insight, branded content, and automated follow-ups driven by behavioral cues. It also provides analytics and AI coaching to monitor engagement, refine messaging, and adapt strategy based on responses or lack thereof.
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Apollo
Apollo is an all-in-one sales intelligence platform with tools to help you prospect, engage, and drive more revenue. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy.
Apollo's B2B Database includes over 220M contacts and 30M companies with robust and accurate data. Teams leverage Apollo’s Engagement Suite to scale outbound activity and sequences effectively. Finally, up-level your entire go-to-market processes with Apollo's Intelligence Engine with recommendations and analytics that help you close.
Founded in 2015, Apollo.io is a leading data intelligence and sales engagement platform trusted by over 10,000 customers, from rapidly growing startups to global enterprises.
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