Windsurf (formerly Codeium) is an AI-first code editor built around agentic coding. Its flows can plan a change, edit multiple files, run commands, and keep context across your project while you stay in control.
With deep codebase awareness and a clean, VS Code-style interface, it is one of the top choices in the fast-moving AI coding space. A free tier is available, with paid plans for the most powerful models and teams.