What are some alternatives?
When comparing Jostle and Disciple, you can also consider the following products
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Samepage - Easy to setup collaborative tool and file syncronization cloud application
NiceJob - Get more reviews and build an build an awesome reputation with NiceJob.
Unily - Unily is a cloud-based intranet solution designed by SharePoint consultancy BrightStarr.
Hivebrite - Hivebrite is an all-in-one community management platform.
MangoApps - Founded in 2007, MangoSpring transforms the way teams work together.