Question: Is there a full-stack app builder that provides secure hosting and collaboration tools for real-time teamwork?

If you're looking for a full-stack app builder that includes secure hosting and collaboration tools for real-time collaboration, Bubble is a great option. This no-code platform lets you design, build, test and deploy production apps without any programming. It includes scalable and secure hosting, collaboration tools for up to 40 real-time collaborators and several pricing levels, including a free development version.

Another great option is Dynaboard, a low-code IDE for collaborative full-stack web app development. It includes a drag-and-drop builder, code-first UI framework and real-time collaboration abilities. Security features include OIDC compliant provider integration and one-time PIN authentication, making it a good option for collaborative development.

Backendless is another powerful option that lets you build high-performance apps with a visual UI builder, codeless logic for frontend and direct API integration. It also includes real-time database abilities, streamlined user management and flexible deployment options like serverless and self-hosted infrastructure.

Last, Replit is a cloud-based environment for building and deploying software as fast as possible. It includes collaboration tools for online and offline work, AI code generation and deployment options for secure hosting. Replit's security features include endpoint security and fine-grained permissions, so it's good for collaborative projects of any size.