Act vs Amazon SES

act is an open-source command-line tool that runs GitHub Actions workflows locally using Docker containers. It reads workflow files from .github/workflows/ and executes them with environment variables and filesystem configurations matching GitHub's hosted runners. The tool enables fast local feedback on workflow changes without requiring commits and pushes to a remote repository.

Amazon Simple Email Service (SES) is a cloud-based email sending and receiving service from AWS designed for marketers and application developers. It supports transactional, marketing, and bulk email delivery with deliverability tools, reputation monitoring, and email authentication.