PowerWorship is described as '™ enables you to create and maintain a library of worship songs and can be used to build presentation slides for Microsoft® PowerPoint® and Apache OpenOffice™' and is an app in the Office & Productivity category. There are more than 25 alternatives to PowerWorship for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is OpenLP, which is both free and Open Source. Other great apps like PowerWorship are ProPresenter (Paid), VideoPsalm (Free), Slipity (Free) and Quelea (Free, Open Source).
ProPresenter has been the preferred lyric presentation system for churches and ministries around the world for years. With an intuitive interface and incredible video engine, ProPresenter has never been easier or more spectacular.
Slipity is an iOS app for projecting lyrics, media, YouTube videos and scripture on a projector or other external displays. AirPlay to your TV or project on the big screen. MIDI In/Out allows you to interact with other apps/hardware.
Quelea is an open source lyrics projection package aimed at churches. It can import songs from a variety of sources, including the survivor songbook series, and as well as lyrics contains support for almost any type of video you can throw at it, powerpoint, DVDs, images and more.
Lyricue is free and open-source application that is used to edit/display song lyrics and passages of text along with images and videos on a second screen/projector. It was designed for use at live events such as church services, concerts and seminars.