Best free collaboration software

Bitrix24 is a free collaboration software, like, totally, 100% free one. Comes with 35+ tools to use, desktop and mobile apps, in the cloud and on premise. Discuss ideas, make plans, share files, work together with tasks.

In short, Bitrix24 can help your company to get things done from every perspective. 

The platform is like a social network within a safe intranet system – perfect for file storage and company privacy. New users automatically get profile and place in the organizational chart. It is easy to adapt system and won’t require specific training. After all, we all live in the 21st century. 

Collaboration software starts with basic communications. Bitrix24 has private, group and public chats, calls and video conferences for up to 24 users. Users can create groups for work and projects, make posts, leave comments, kudos, emojis, attach files and mention other users.

There is fully featured Task and Project management module. Kanban boards and Gantt charts are available along with calendars and event management tools. Users can manage their time with shared boards, charts and calendars, plan their work more effectively. There are file storage, document management and sharing, knowledge base, time management and other essential for virtual office facilities. 

Bitrix24 offers flexible access rights for intranet users and safe rules for extranet users. Company members can work with client, partners, freelancers, include them in groups, tasks, events, group posts. They can answer with email and generally access some parts of public company spaces, while the rest sections are closed for them.

There are also tools for collaboration in our free CRM module, Contact Center and website builder. Doing work and need to ask something? Have a chat from the customer's CRM card, why not!

The best part of our free collaboration software is that it is free forever. And you can try all premium features with a trial. There are HR features, for example, reporting, business analytics, marketing tools and other ways to enhance your company processes.

* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page

Basic features

  • Free unlimited users 
  • 5 GB of data
  • Cloud or self-hosted with open source code
  • Private social network
  • Chats, calls, videoconferencing
  • Online documents & file sharing
  • Calendars
  • Tasks and projects
  • Knowledge base
  • API, mobile apps (Android & iOS)

Social intranet

  • Private social network
  • Chats, calls, videoconferences
  • Newsfeed with relevant group posts
  • Company announcements, polls
  • Likes, emojis and comments
  • File (pictures, video, gif) attachment
  • Mandatory posts
  • Reward badges
  • Company pulse (employee engagement)
  • Learn more

Document management

  • Cloud storage or your server
  • Online/offline editing
  • Real-time multi-user editing
  • Group file sync
  • File sharing
  • File locking
  • Version history
  • Flexible access rights
  • Learn more



Project collaboration

  • Work and project groups
  • Unlimited projects, tasks, subtasks
  • Gantt chart
  • Kanban boards
  • Checklists
  • Task dependencies and sequences
  • External users
  • Calendars
  • Knowledge bases
  • Learn more

Tools for business

  • CRM
  • Contact Center
  • Website builder
  • Email server
  • Telephony
  • HR tools
  • Knowledge Management
  • More, much more



For more information about Bitrix24, head over to our training courses.
We also have a great YouTube channel that covers every aspect of Bitrix24, from sales and planning to document management and company internal communication tools.
To download the self-hosted edition of Bitrix24 that can be installed on your own server and give you access to open source code, please visit the Bitrix24 Self-Hosted page.
10,000,000+ organizations have chosen Bitrix24