If you are looking for free online church management software, you'll love Bitrix24. Free for unlimited users, Bitrix24 is a tool of choice by many faith-based and non-profit organizations who have limited funds. More importantly, Bitrix24 has both social tools for engaging your congregation, like social network, user groups, polling, media gallery, shared calendars, video conferencing and business tools like CRM, telephony or project management that help you keep your affair in order. Finally, this ChMS (church management system) looks like it was created in 2016, not 1996. Yes, it works on mobile iOS and Android phones and mobile devices. Yes, it comes with instant messenger. And if you ever feel overwhelmed by Bitrix24, here's the training manual.
* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page.
Bitrix24 CRM manual is available here.
If you are interested in buying self-hosted editions of Bitrix24, which come with API, CMS and source code, can be easily customized and integrated with other tools, please download a trial version here.