Wondershare PDFelement - All-in-one PDF editor
grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
dnGREP - dnGrep allows you to search across files with easy-to-read results.