Libidn2 is an internationalized domain library implementing the IDNA2008 specifications. Libidn2 is believed to be a complete IDNA2008 implementation, but has yet to be as extensively used as the original Libidn library.

C library to manipulate Phidgets

Libe-book is a library and a set of tools for reading and converting various reflowable e-book formats. Currently supported are: Broad Band eBook, eReader .pdb, FictionBook v. 2 (including zipped files), PalmDoc Ebook, Plucker .pdb, QiOO (mobile format, for java-enabled cellphones), TCR (simple compressed text format), TealDoc, zTXT, ZVR (simple compressed text format).

Libwpd is a C++ library designed to help process WordPerfect documents. It is most commonly used to import such documents into other word processors.

The libnumbertext library provides language-neutral NUMBERTEXT and MONEYTEXT functions for LibreOffice Calc, available for C++ and Java.

Libfreehand is a library that parses the file format of Aldus/Macromedia/Adobe FreeHand documents.

libepubgen is an EPUB generator for librevenge. It supports librevenge's text document interface and--currently in a very limited way--presentation and vector drawing interfaces.

libqxp is a library and a set of tools for reading and converting QuarkXPress file format. It supports versions 3.1 to 4.1.

Libpagemaker is a library that parses the file format of Aldus/Adobe PageMaker documents. Currently it only understands documents created by PageMaker version 6.x and 7.

libstaroffice is an import filter for the document formats from the old StarOffice (.sdc, .sdw, ...).

Libodfgen is a library for generating documents in the Open Document Format (ODF). It provides generator implementations for all document interfaces supported by librevenge: text documents, vector drawings, presentations and spreadsheets.

Orcus is a library that provides a collection of standalone file processing filters. It is currently focused on providing filters for spreadsheet documents. The library includes import filters for Microsoft Excel 2007 XML, Microsoft Excel 2003 XML, Open Document Spreadsheet, Plain Text, Gnumeric XML, Generic XML. It also includes low-level parsers for CSV, CSS and XML.

The libwpg project provides a library and tools for working with graphics in the WPG (WordPerfect Graphics) format.

Liblangtag implements an interface to work with tags for identifying languages as described in RFC 5646. It supports the extensions described in RFC6067 and RFC6497, and Extension T for language/locale identifiers as described in the Unicode CLDR standard 21.0.2.

Dragonbox generates a pair of integers from a floating-point number: the decimal significand and the decimal exponent of the input floating-point number. These integers can then be used for string generation of decimal representation of the input floating-point number, the procedure commonly called ftoa or dtoa.

Libvisio is a library that parses the file format of Microsoft Visio documents of all versions.

Unoconv is a command-line utility to convert documents from any format that LibreOffice can import, to any format it can export. It can be used for batch processing and can apply custom style templates and filters.

Unoconv converts between over a hundred formats, including Open Document Format (.odt, .ods, .odp)), Portable Document Format (.pdf), HTML and XHTML, RTF, DocBook (.xml), .doc and .docx), .xls and .xlsx).

All required fonts must be installed on the converting system.

Libcdr is a library that parses the file format of CorelDRAW documents of all versions.

Libetonyek is a library that parses the file format of Apple Keynote documents. It currently supports Keynote versions 2 to 5.

LibreOffice is a comprehensive office suite. It contains a number of components: Writer, a word processor; Calc, a spreadsheet application; Impress, a presentation engine; Draw, a drawing and flowcharting application; Base, a database and database frontend; Math for editing mathematics.

Libzmf is a library that parses the file format of Zoner Callisto/Draw documents. Currently it only understands documents created by Zoner Draw version 4 and 5.

Hyphen is a hyphenation library using TeX hyphenation patterns, which are pre-processed by a perl script.

MyThes is a simple thesaurus that uses a structured text data file and an index file with binary search to look up words and phrases and to return information on pronunciations, meanings and synonyms.

Libmspub is a library that parses the file format of Microsoft Publisher documents of all versions.