The Developer Stack is published approximately every 3 weeks by ART* Incorporated. It is released as a non-commercial product, to make development of professional quality stacks faster and easier. Each issue includes public domain and shareware XFCNs, XCMDs, useful script segments & functions, and buttons. Everything is automated to make it accessible by novices and experts alike.
The stack is updated approximately every 4 weeks, and an Upgrader stack is available that will update your copy of the Developer Stack.
The lastest version is available on CIS*, GEnie, from you local user group. If you can't obtain it from any other source, you can order it directly from ART* for $5.00.