BASIC Anywhere Machine has a lot of potential in a support role for other BASIC implementations.
portable/remote programming/maintenance/testing of small modules of code that fit within the scope of BASIC Anywhere Machine's capabilities
source code management and project/task management (all of the imaginable possibilities offered by TiddlyWiki)
easily share deploy a BASIC program as a single HTML file (source code only OR bound to the interpreter so that a program can be executed in any web browser)
faciitates collaboration: it does not matter where your collaborators are, and it doesn't matter what devices they have
your collaborators only need a web browser