APL in Javascript

APL.js Provides APL in a browser.
APL.js.User Examples of a user's
workspaces and files.

APL in VB.Net

PLJsAPL An experiment to provide
a compilable version of APL.

APL in DOS

PLJTools Provides DOS.FON and
sample workspaces.
FreeAPL A copy of APLse.

J Tools

JTools Workspace management for J,
and build tools for APL.js.