openlp/documentation/manual/source/introduction.rst

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=============
Introduction
=============
About
-----
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OpenLP stands for "Open Source Lyric Projection" and is presentation software
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developed for churches to provide a single easy to use interface for the
projection needs of a typical worship service. First created in 2004, it has
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steadily grown in features and maturity such that is it now a mainstay in
hundreds of churches around the world.
OpenLP can contain a searchable database of songs and Bible verses allowing
them to be projected instantly or saved in a pre-prepared order of service
file. Themes allow for a variety of presentation options and allow you to add
attractive visuals to enhance your presentations. PowerPoint and OpenOffice
presentations, videos, and audio files can be run from within the program
removing the need to switch between different programs. Alert messages can be
displayed so the nursery or car park stewards can notify the congregation easily.
Remote capability allows the worship leader to change songs, or for alert
messages to be sent from anywhere on the network, even via a smart phone or
tablet.
Being free, this software can be installed on as many PC's as required,
including the home PC's of worship leaders without additional cost. Compared to
the expensive site licenses and restrictions of commercial software we believe
OpenLP is the perfect choice for quality and value. Still in active development
by a growing team of enthusiastic developers, features are being added all the
time, meaning the software just improves all the time.
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OpenLP is licensed under the GNU Generic Public License, which means
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that it is free to use, distribute, modify, and it stays free.
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GNU General Public License
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--------------------------
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The GNU General Public License was specifically chosen because it ensures the
above mentioned freedoms. It specifically states that you are not allowed
to charge for the software, and that you have to distribute the source code as
well.
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You can find a copy of the GNU General Public License from the Help menu
selecting about OpenLP or on-line
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at: `<http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt>`_.