Bitrix24 is a free social collaboration tool with a host of features including real-time activity streaming, CRM, task management, database, instant messaging, group chat, file sharing, time tracking, workload planning, and even video conferencing.
Bitrix24 can be installed on-premise or cloud-based. While the free version offers a maximum of 12 participants, for larger small businesses with more than 12 team members, Bitrix24 Cloud starts at $99 per month (with added features such as external users, IP blocking, custom logo, and more).
