Surfly provides co-browsing and collaboration technology that allows for seamless support of customers through any channel without the need for software downloads or website code changes. It offers customization options to match the customer experience flow and can be integrated with other chat solutions, CRM systems, and call center platforms. Key features include document sharing, video chat, control switching, field masking, action logs, behavior control, customizable UI, security and privacy compliance, and single sign-on.