Free Unified Collaboration

35+ collaboration tools, all in one place, 100% free. Bitrix24 does collaboration a bit different.
Bitrix24 is world's most popular free unified collaboration software platform. For the unfamiliar, unified collaboration advocates having all tools that people typically use for collaboration (social network, telephony, file sharing, document management, tasks, videoconferencing, email, instant messaging, online calendars and so on) available in one place. 
With over 35 communication and collaboration tools available to you in a single platform, free in cloud and easy to integrate with other tools thanks to API and open source code access in the self hosted editions, Bitrix24 is exactly what you need.

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

P.S. If you share this page in Facebook or Twitter with hashtag #bitrix24, you'll automatically get a chance to win a 12-month subscription for Bitrix24 Professional ($2400/yr value)

Basic Features

  • Unlimited free users
  • Social network
  • Tasks and projects
  • File sharing
  • Video conferencing
  • Email server
  • Mobile messaging
  • Cloud & On Premise (open source code)
  • API, Android and iOS

Social Collaboration

  • Private social network
  • Social intranet
  • Employee directory
  • Workgroups
  • Company org chart
  • Tags, mentions, following, likes
  • Discussions

Company Chat & Videoconferencing

  • Company chat
  • Chat groups
  • Video chat
  • Video conferencing
  • Audio calls (WebRTC)
  • File sharing via chat
  • Searchable chat history
  • Learn more

Telephony and PBX

  • Incoming & outbound phone calls
  • Phone calls to/from CRM
  • Keep your number, rent a number
  • Internal extensions, call transfers
  • Call queuing
  • Voicemail
  • SIP connector
  • Virtual PBX

Email server

  • Email server
  • Email marketing
  • Own domain or free addresses
  • Unlimited storage (free)
  • Email templates
  • Employee email management
  • Learn more

Bitrix24 manuals are available at We also have a great YouTube channel that covers every aspect of Bitrix24 apps, from sales to planning to communications to document management. To download self hosted editions of Bitrix24 that can be installed on your own server and come with open source code access, please visit Bitrix24 Self Hosted page.

8,000,000+ organizations have chosen Bitrix24