GitHub Codespaces
Tightly integrated with GitHub, offers similar cloud IDE experience but primarily for GitHub repos.
Replit
Focuses on instant coding and collaboration with built-in hosting, ideal for education and prototyping.
CodeSandbox
Specializes in web development with instant preview and sharing, less suited for backend or complex setups.
AWS Cloud9
Cloud IDE integrated with AWS services, better for cloud-native development but more complex pricing.
Coder
Enterprise-focused cloud dev environments with self-hosting options, more customizable but requires setup.