HOW TO: Making PDFs with free software
Portable Document Format (PDF) files have become somewhat of a de-facto standard for 
representing fixed layout 2D documents, and their use and versatility have grown over the past decade. Recently, Adobe announced that it intends to release the PDF 1.7 specification for publication by the International Organization for Standardization (ISO). As demand increases for this format, many are wondering, what tools can be used to create PDFs with free software? Fortunately, there are a variety of free software that is available to author PDF files. I’ll specifically highlight two packages that are easier to use and require less configuration.
While the advantages of the uniform presentation are usually advantageous, I feel that the emphasis should be on the content, not the container. Making PDFs with free software | Free Software Magazine