Leading free and up-to-date crm for unlimited users. Sales and marketing automation, omni-channel contact center, comprehensive project and team management. Cloud, on premise, mobile. Open source code option. Regular updates.

Bitrix24 is the perfect solution

Bitrix24 brings together lead capture, contact management, deal pipelines, activity tracking, and customer history in one connected CRM. Unlike Fat CRM, it also connects CRM data with collaboration and automation tools, so sales activity is part of the wider business workspace.

Deal pipeline tracking
Lead capture and routing
AI-powered sales automation

Bitrix24 is an all-in-one solution

Replaces all your current SaaS solutions

Easy to migrate your data from other systems

100% flat fee: predictable costs, no per-user pricing

Compare Bitrix24 to Fat CRM

Looking for an all-in-one workspace that goes beyond Fat CRM? Bitrix24 offers over 35 integrated tools that streamline every aspect of your business - from sales and HR to projects and automation, all at a very affordable rate.

See how Bitrix24 stacks up against other CRM solutions.

Features	Bitrix24	Fat CRM
Free Plan
Free AI Assistant
IM/Group Chat
External Users
Proposals
Workspaces
Social Network
Videocalls
Group Tasks
DocManagement
File Sync
Lead Management
Meetings
OrgChart
Workflow
Calendars
Time Management
Email Server
Telephony/PBX
Server Edition
Email Marketing
Mobile App
Desktop App
API
Marketplace

Using Bitrix24 as Fat Free CRM Alternative

Fat Free CRM is/was a free open source CRM. It features sales group collaboration, campaign and lead management, contact lists, opportunity tracking. It’s not entirely clear if it’s still being supported or not.

If you are looking for an alternative, consider Bitrix24 - all in one powerful crm, marketing and customer service software with comprehensive project management. Cloud or on premise. On premise version comes with additional scalability and security options and source code access.

Flat pricing

Each of our plans has a fixed price and a user limit. You can keep adding users within the plan limit and still pay the same amount of money monthly/annually.

Your apps

Which apps do you use?

Slack £7
per user

Asana £10
per user

Teams £5
per user

Google Drive £8
per user

Salesforce £21
per user

HubSpot £11
per user

ChatGPT £15
per user

Jira £6
per user

Clockify £5
per user

Pipedrive £43
per user

monday.com £12
per user

Trello £5
per user

ClickUp £15
per user

Zoho £34
per user

Wrike £19
per user

Wix £22
per user

Miro £8
per user

Calendly £9
per user

30x better value than using a set of separate work tools

Bitrix24 comes with the full package of tools any business needs for remote work — all at a fixed price.

CRM
Time tracking
Tasks & Projects
Video calls
Payments
Website builder
E-signature
Analytics

How many people work at your company?

Total price per month
for a team of 0 users:

No per-user pricing

Flat price and a user limit
per month for a team:

Save 0/year

Start saving now

* Prices are taken directly from related websites and marketing materials as of March, 2026

Ready to try Bitrix24?
Start by migrating your data

Takes only a few minutes

Your data ends up exactly where it should

Best way to get started with Bitrix24

Import your data now

Bitrix24 in the press

PC Mag

"With its dizzying array of functions, Bitrix24 CRM has the ability to centralize all communications and collaboration for an organization of any size."
SoftwareSuggest

"With Bitrix24, you can customize your eCommerce CRM and integrate it with many popular business apps. Bitrix24 also includes a free tier option. You can use it to construct landing pages and websites that integrate seamlessly with your eCommerce online store and CRM. It’s the perfect solution if you want everything in one place."
Inc.

"Bitrix24 pretty much does everything, but run your company for you. Bitrix24 solves the issue of finding messaging apps, HR software, and task management programs that are compatible by putting all of that and more in one spot. More than anything this is a way to simplify office logistics and organization."
TechRadar

"It (Bitrix24) includes tools for project management, customer support, internal communications, and even website building. Despite offering such a wide range of features, Bitrix24 is still incredibly affordable."
TechRepublic

"The first thing Bitrix24 does when you log in is provide a lot of information. The workspace main page is packed — there are three columns of links to workspaces and workgroups, an activity stream, client apps, and tasks... you can extend Bitrix24 into a full corporate intranet by using its employee directory, company organization, and organization chart features.Bitrix24 is definitely worth a look."