Implementasi Aplikasi Enterprise Resource Planning Adempiere Untuk Mendukung Sistem Administrasi Gereja (Studi Kasus : Gereja Pantekosta di Indonesia Siloam Salatiga) 1) Andy Christian Andryanto, 2)Johan Tambotoh, 3)Hendro Steven Tampake Fakultas Teknologi Informasi Universitas Kristen Satya Wacana Jl. Diponegoro 52-60, Salatiga 50711, Indonesia 1) Email: andy_682009056@yahoo.com, 2) johan.tambotoh@staff.uksw.edu, 3) hendro.steven@gmail.com Abstract In the development of increasingly information technology, there are many companies or organizations which begin to need a supporting help of information technology to help their business process. It is not only a profit organization which needs information technology assistance but the non-profit ones also need it, in order to support the administration organization process. One of those organizations is GPdI Siloam Church in Salatiga who gets some problems in organizing their administration. They need an application which is able to note down the data of the church members, financial data, and also organize the schedule of each church service to make it effective and efficient. The developing system that is used to solve this problem is a linear development method. This is an appropriate method to develop the application especially the ERP application. The result of this research is Adempiere application which has been customized based on the church needs. So, this application will help in noting down the data of the church members, church financial data, also organizing the schedule of the church services so that the church administrator can submit all the reports rapidly and properly to the church management. Keywords: Non-Profit Organization, Adempiere, Enterprise Resource Planning. 1