OpenLP is a free, multiplatform, open source and easy-to-use church presentation software that can display slides of songs, Bible verses, images, videos and even PowerPoint presentations for church worship.

It displays song lyrics and Bible verses, displays images and videos, integrates into PowerPoint applications for presentation control. The application comprises of a display manager, a theme manager, a service manager, alerts for various events, as well as a wide variety of plugins that bring support for manipulating images, Bibles, songs, text, presentations or other media.

Key features include support for manipulating songs, including verse ordering, authors and topics, support for searching Bibles by phrase or scripture references, support for importing presentations created in LibreOffice or Microsoft PowerPoint apps, remote control support, support for displaying slideshows using imported images, support for viewing videos, and support for displaying liturgy.

Songs can be imported from a wide variety of sources, including OpenSong, SongShow Plus, ZionWorx, openlp.org, Songs of Fellowship, DreamBeam, EasySlides, Sunday Plus, CCLI/SongSelect, SongPro, Words of Worship, EasyWorship, OpenLyrics, SongBeamer, FoilPresenter, PowerSong, MediaShout, as well as from a generic document or presentation.

Among other interesting features, we can mention support for using VLC Media Player as an external video playback application, automatic recording of all songs, and support for exporting records between dates. Remote control features include support for receiving the service list, support for sending alerts, support for changing the current slides or items, as well as support for blanking and unblanking the screen.

OpenLP is a cross-platform software that uses the Qt GUI toolkit for its graphical user interface, runs on the Linux, Mac OS X and Microsoft Windows operating systems, supports the 64-bit and 32-bit hardware platforms, and it is written in the Python, Object Pascal and Delphi/Kylix programming languages.