This is a simple GUI for the command line tool grep and pdfgrep
Command-line toolset for extracting text from files
Common Resource Grep
ack 2 is no longer being maintained. ack 3 is the latest version
Useful console application to search for largest files on file systems
simple BNF parser makes xml markup of matches
Data migration/conversion library based on STX and XSLT transformation
object symbol lookup utility
Shows context of matching patterns found in files