All the magazines in this section have web sites where you may be able to pick up a free trial subscription, since their income is mostly based upon advertising in the magazines:
ACM Queue (http://www.acmqueue.org)
A collection of general programming articles each month, with a useful number of ones about tools and different development environments.
Software Development (http://www.sdmagazine.com)
Lots of articles about different tools, and the annual Jolt awards for tools. Part of CMP's Developer Network, which includes Dr. Dobb's Journal, BYTE.com, C/C++ Users Journal, and The Perl Journal.