grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...
FoxyUtils Online PDF Tools - All the PDF tools you need! Save time with our easy to use online tools to merge, split, convert, and edit PDF files.
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
PDF Reader Pro - PDF Reader Pro is an all-in-one PDF office supporting to Read, Annotate, Edit, OCR, Convert, Create & Fill Form, Sign PDFs, TTS on Mac, iOS, Android, and Windows.
dnGREP - dnGrep allows you to search across files with easy-to-read results.
Easy PDF - EasyPDF is a free online PDF conversion suite that can help you convert & create PDFs. Securely, anonymously and without any limitations.