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.

libidn is a library implementing of the Stringprep, Punycode and IDNA specifications. These are used to encode and decode internationalized domain names according to the IDNA2003 specifications. It includes native C, C# and Java libraries.

C library to manipulate Phidgets

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

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

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.

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

LibCMIS is a C++ client library for the CMIS interface. It allows C++ applications to connect to any ECM behaving as a CMIS server such as Alfresco or Nuxeo.

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.

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.

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.

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.

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.

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.

Libmwaw contains some import filters for old Macintosh text documents (MacWrite, ClarisWorks, ... ) and for some graphics and spreadsheet documents.

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

Ixion is a library for calculating the results of formula expressions stored in multiple named targets, or "cells". The cells can be referenced from each other, and the library takes care of resolving their dependencies automatically upon calculation.

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

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

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

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.

Libexttextcat is an N-Gram-Based Text Categorization library primarily intended for language guessing.

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