Activiti is a free BPM platform sponsored by enterprise content management giant Alfresco, which also sells Enterprise version of Activiti BPM. It is essentially a continuation of jBPM. If you are looking for a free Activiti alternative, Bitrix24 makes a perfect choice, since you get all the business automation tools you need without paying anything for the first 12 users. In addition to getting BPM, with Bitrix24 you also get HR and Sales automation (HRMS and CRM), Document Management, Project Management, Call Center and Employee Collaboration Platform.
* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page.