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glark offers grep-like searching of text files, with very powerful, complex regular expressions (e.g., "/foo\w+/ and /bar[^\d]*baz$/ within 4 lines of each other"). It also highlights the matches, displays context (preceding and succeeding lines), does case-insensitive matches, and automatic exclusion of non-text files. It supports most options from the GNU version of grep.

Grutatxt is a plain text to HTML (and other formats) converter. It succesfully converts subtle text markup to lists, bold, italics, tables and headings to their corresponding HTML, troff, man page or LaTeX markup without having to write unreadable source text files. Grutatxt is a Perl module and a command line utility.

Highlight is a universal converter from source code to HTML, XHTML, RTF, TeX, LaTeX, XSL-FO, and XML. (X)HTML output is formatted by Cascading Style Sheets. It supports 100 programming languages and includes 50 highlighting color themes. It's possible to easily enhance the parsing database. The converter includes some features to provide a consistent layout of the input code.

Hyper Estraier is a full-text search system. It can be used as a Web search engine, mailbox searching, etc. It features high performance searching, high scalability of target documents, a perfect recall ratio by the N-gram method, phrase searching, attribute searching, and similarity searching. Multilingualism is supported with Unicode. It is independent of file format and repository, and has a simple and powerful API.

JasperReports is a powerful open source Java reporting tool that has the ability to deliver rich content onto the screen, to the printer or into PDF, HTML, XLS, CSV and XML files. It is entirely written in Java and can be used in a variety of Java enabled applications, including J2EE or Web applications, to generate dynamic content. Its main purpose is to help creating page oriented, ready to print documents in a simple and flexible manner.

KBarcode is a barcode and label printing application for KDE 3. It can be used to print everything from simple business cards up to complex labels with several barcodes, such as article descriptions. KBarcode comes with an easy-to-use WYSIWYG label designer, a setup wizard, batch import of labels (directly from the delivery note), thousands of predefined labels, database managment tools, and translations in many languages. Even printing more than 10,000 labels in one go is no problem for KBarcode. Additionally, it is a simple xbarcode replacement for the creation of barcodes. All major types of barcodes like EAN, UPC, CODE39, and ISBN are supported.

Xpdf is a viewer for Portable Document Format (PDF) files. (These are also sometimes also called 'Acrobat' files, from the name of Adobe's PDF software.) The Xpdf project also includes a PDF text extractor, PDF-to-PostScript converter, and various other utilities. It runs under the X Window System on UNIX, VMS, and OS/2. The non-X components (pdftops, pdftotext, etc.) also run on Win32 systems, and should run on pretty much any system with a decent C++ compiler. Xpdf is designed to be small and efficient. It can use Type 1 and TrueType fonts.