These are a couple of tools that are commonly used with PostGIS for building mapping applications. Some of these we demonstrate in PostGIS in Action and PostGIS in Action 2ed.
For PostGIS raster we developed a proof of concept ad-hoc viewer described in Minimalist Web Based PostGIS 2.0 Raster and Geometry viewer which you can download from: ASP.NET Version and PHP version
pgRouting: A Practical Guide is available in Hardcopy from Hardcopy from Amazon. E-Book or Bulk discounts on Hard-copy from Locate Press.