For what it is worth my own "toy" project for self-hosted dynamic comments does exactly that. I support Redis and SQLite for hosting comments, and it should be

For what it is worth my own "toy" project for self-hosted dynamic comments does exactly that. I support Redis and SQLite for hosting comments, and it should be possible for another user to contribute support for different backing-stores. Plugins are supported for spam-detection, which lets me use the https://blogspam.net https://blogspam.net service (which I host) for doing real-time blog/forum spam detection. My project is here: https://github.com/skx/e-comments/ https://github.com/skx/e-comments/