On emacs, sagemath can be used on babel blocks in org mode, and it can keep a sage session open for all such blocks, updates result blocks when executing, etc.

On emacs, sagemath can be used on babel blocks in org mode, and it can keep a sage session open for all such blocks, updates result blocks when executing, etc. Since with babel you can do this with multiple languages, this means you can create multi-language documents (that are like notebooks, minus the collaborating part) that include sage blocks.