Cold Email

Cold email platform with unlimited sending accounts, automated warmup, and deliverability optimization

GTMStack is a GTM orchestration platform covering SDR ops, content, social, events, and analytics. Instantly is a cold email tool focused on deliverability and scale. GTMStack includes email sequences alongside the full GTM stack.

Cold outreach platform with personalized email, LinkedIn automation, and multichannel sequences

GTMStack is a GTM orchestration platform covering SDR ops, content, social, events, and analytics. Lemlist is a cold outreach tool with personalized email, LinkedIn automation, and multichannel sequences.

Sales engagement platform for cold email outreach and phone dialing

GTMStack is a GTM orchestration platform covering SDR ops, content, social, events, and analytics. Mailshake is a sales engagement platform for cold email outreach and phone dialing.

AI-powered sales engagement platform with multichannel sequences across email, LinkedIn, calls, and SMS

GTMStack is a GTM orchestration platform covering SDR ops, content, social, events, and analytics. Reply.io is an AI-powered sales engagement platform with multichannel sequences across email, LinkedIn, calls, and SMS.

Cold email infrastructure platform for agencies and large-volume outbound teams

GTMStack is a GTM orchestration platform covering SDR ops, content, social, events, and analytics. Smartlead is a cold email infrastructure tool built for agencies and high-volume outbound teams.

Cold email and sales automation tool for B2B teams and agencies

GTMStack is a GTM orchestration platform covering SDR ops, content, social, events, and analytics. Woodpecker is a cold email and sales automation tool for B2B teams and agencies.