odt2braille

odt2braille is a free and open-source extension for Writer. odt2braille enables authors to print documents to a Braille embosser and to export documents as Braille files. The Braille output is well-formatted and highly customizable.

OdprtiTezaver – Slovenian Thesaurus

Slovenian Thesaurus for LibreOffice and OpenOffice.
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Slovenski slovar sopomenk za LibreOffice in OpenOffice.

Numbertext

NUMBERTEXT and MONEYTEXT are spreadsheet functions for number to number name and currency name conversion for more than 30 languages.

Numbered List Helper

Predefined Chinese numbered list in Formatting toolbar.

Norsk stavekontroll (bokmål og nynorsk)

Dictionaries and hyphenation files for Norwegian Bokmål and Norwegian Nynorsk and a Thesaurus for Norwegian nynorsk.

N'ko Maninkakan

Spell-checker for N'ko Maninkakan Vérificateur orthographique N'ko pour le Maninka

Neuronica

Neuronica extension is a realization of artificial neural networks. These advanced algorithms can be used for business and marketing analysis, classification task solutions, time series forecasting and financial market prediction.

NCE-Units

Provides a function that converts quantities expressed in various systems of measurement to their equivalents in other systems of measurement.

Numerics for Chemical Engineering

NCE provides several functions and data banks applicable to chemical and process engineering calculations.

Nakdan by Culmus

Semi-automatic diacritics tool based on Wiktionary.
תוסף לניקוד חצי-אוטומטי עבור ליברה-אופיס. מאגר הנתונים מבוסס על ויקימילון.

MySQL Native Connector for Linux for 4.2 and 4.3

The MySQL Native Connector for Linux provides a native MySQL database driver for both MySQL and MariaDB. Separate connectors are available for 32 and 64 bit computers.

Malagasy Spellchecker

Spell checker for Plateau Malagasy from the original Hunspell dictionary

MyParts

A simple electronic parts inventory tool (plugin for LibreOffice Calc)

MuseScore Example Manager

Insert MuseScore examples into LibreOffice Writer Documents

MultiSave

Save a document simultaneously into OpenDocument and/or MS-Office and/or PDF formats.

MultiFormatSave

MultiFormatSave enables you to save simultaneoulsly a document in the OpenDocument, MS Office and/or PDF formats as you choose.

MultiFormatSave-Draw

MultiFormatSave with Draw support. Allow save by one button into more formats.

MultiDiff

Issue LibreOffice documents in several formats.

MSO 2 ODF Converter

Automatic conversion of MSO Documents in ODF Format

MRI - UNO Object Inspection Tool

MRI is an introspection tool of UNO objects.

MPMA LibreOffice Addon

Standardizes documents in the format of the Public Prosecutor's Office of Maranhão, Brazil. Brings additional productivity functionality for the production of texts like: Writes numbers, percentage, and currency values in extensor in writer.

Moore Spellchecker

Spell checking dictionary for the Moore language.

Mixer for Calc

Mix cells in selected ranges in random order.

Marshallese Spellchecker

This is a spell checker for Marshallese. It underlines in red words that are misspelled in Marshallese.

Marathi Spellchecker

includes synonyms, auto-correct, auto-text and hyphenation rules

LMD Malva de Perkin (color palette)

This extension contains a color palette: it starts with the color black, 10 gray ranges and white. Below are 51 shades of mauve, violet, purple, etc.

Malayalam Hyphenation Dictionary

Hyphenation Patterns for Malayalam, prepared by Santhosh Thottingal

Mail Merge DB

Mail Merge is a feature of LibreOffice that allows you to write a template letter with predefined fields and then populate that template with fields from a database. This is very useful if you need to send the same letter to a number of people with only s

Magyar mondatellenőrző

Hungarian grammar checker and proofreading extension based on Lightproof.
Magyar nyelvi ellenőrző (nyelvhelyesség-ellenőrző) kiegészítő.

Magic Images

An OpenOffice / LibreOffice extension with the purpose to easily create pictures with hidden images that appear to the children while he/she draw the appropriate regions.