Software I use which is not related to laptop, server or development.
Software I use on my development boxes.
Libraries i use for development, rather than used on the systems themselves.
Software I use on my laptop (Mac OS X)
The software I use on the Laptop while running Windows.
The software stack I use to maintain the vserver running my blog.
It's a list of software used to accomplish something. LAMP is an example.
You can have up to 10 stacks.
More questions? Stack FAQ.