PDF Library / Report Generator / Print Engine. Free Community Edition. (!)The Community Edition is freeware, i.e. it is free of charge and - also for commercial applications - royalty-free.
Available for Windows, Mac OS X, Linux and Solaris.
Easy to use, super-fast vector-graphics, very stable: since more then 10 years on the market.

Create documents like reports, forms, drawings and diagrams on-the-fly by placing objects like text, lines, bitmaps (BMP), etc. through function calls in any position. Can render the dimensions of text- and bitmap objects in advance, and allows to position other objects accordingly. Therefore allows absolute flexible dynamic layouts. You can add objects to any page at any time. Computes word- and page breaks.
High-Performance printing: through internal Swap-File Technology you can create documents with tens of thousands of pages with very small memory footprint.
Allows to assemble new documents from several single documents.
Windows Version: Built-In preview, e-mail functions and printing (printer independent exact positioning, which is ideal for forms).
Included: .NET and ASP.NET components, ActiveX, Delphi VCL, DLL (shared object / dylib), extensive manuals and help files, demo source codes.
Higher editions offerRTF rendering, Charts, 1D + 2D Barcodes, HTML export, import and export of TIF, GIF, JPG, PNG and many other image formats, insertion and removal of pages on-the-fly, as well as for PDF export: compression, True-Type font embedding and subsetting, linearization (fast web-view), selective protection, encryption and bookmarks.