MailerLite is a versatile and user-friendly email marketing platform designed for businesses of all sizes. It provides tools to create email campaigns, automate workflows, build landing pages and websites, and manage subscribers. Key features include a drag-and-drop editor, customizable templates, segmentation, A/B testing, and integrations with e-commerce platforms like Shopify. MailerLite offers a free plan for up to 1,000 subscribers and 12,000 monthly emails, making it an accessible option for those starting with email marketing.