AfalinaSoft XL Report
   Full-featured template-based reports with practically no coding. Effective Microsoft Excel integration. [Freeware and shareware versions]
   http://www.afalinasoft.com/xl-report/

FastReport
   A reporting tool component that includes report engine, design, and preview functions. Written completely in Object Pascal and can be installed in Delphi 2-5 and C++Builder 1-5. [Shareware]
   http://www.fast-report.com/

PrintDAT!
   Component can create a Delphi report by printing your grid. It takes only 2 mouse clicks and 1 line of code.
   http://www.grebarsys.com/

SMReport Designer
   End-users powerful tool for the creation of reports, lists, labels, forms. SMReport Designer and SMReport Autogenerated. Also: SMExport, SMImport, SMComponent library, daily tips, articles, and sources.
   http://www.scalabium.com/smr/

VisPDF
   A VCL component that provides the ability to create PDF documents. Does not use any DLL or other software to create PDF files like reports and PDF books.
   http://www.vispdf.com/