Librevenge is a base library for writing document import filters. It has interfaces for text documents, vector graphics, spreadsheets and presentations.

Libabw is a library that parses the file format of AbiWord documents.

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

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.

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

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

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.

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

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.

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.

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

Libwps is a library for importing files in the Microsoft Works word processor file format.

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.

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

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.

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.

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

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

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.

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.

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

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

LibreWolf is designed to increase protection against tracking and fingerprinting techniques, while also including a few security improvements. This is achieved through our privacy and security oriented settings and patches. LibreWolf also aims to remove all the telemetry, data collection and annoyances, as well as disabling anti-freedom features like DRM.