DR 75Loops is email marketing software designed for SaaS teams to send marketing, lifecycle, and transactional email from a single platform. It offers a visual email editor that ensures designs work across major email clients, a developer-friendly API and SDKs, and powerful lifecycle workflow automation. Loops integrates with popular tools like Stripe, Supabase, and Clerk, and provides features for segmentation, goal tracking, and experiments. It is free to start with no credit card required.