Get free business productivity tools for document and project management. Ideal for founders needing CRM and collaboration solutions, backed by 3.1k+ GitHub stars.
intermediate⏱ 30 minutes💵 Free (self-hosted)
3,142 stars672 forksC#Quality 9/10Updated 5/5/2026100% free · open source
What it is
You build a community server
What you can make with it
Automations that integrate business tools like CRM, document management, and mail aggregation. e.g., 'Send new customer emails from Onlyoffice CRM to a mailing list.'
How it helps
CommunityServer helps you centralize and streamline business workflows, making data collaboration and management more efficient.
Real use case example
"A founder uses CommunityServer to automate email notifications to clients from a new project dashboard, which they built using the suite's project management features, freeing up 5 minutes of daily time."
If you're new
Beginners should learn CommunityServer when they start exploring business productivity automation tools.
If you're senior
Senior engineers/professionals will find CommunityServer useful when developing custom integrations for business tools within their enterprise ecosystem.
Common confusion cleared up
CommunityServer is an open-source suite, which can be self-hosted and customized, unlike hosted cloud services
Best inside these AI tools
Claude DesktopSelf-hosted
Pairs with
Claude APIStripe webhookNotion database
Why we list it on WorkflowStacks: The marketplace includes CommunityServer as a free and open-source option for building custom business productivity tools.
What it does
CommunityServer provides a free open source office suite with business productivity tools for document and project management, CRM, and mail aggregation
Install / run
docker run -i -t -p 8080:80 onlyoffice/communityserver
When to use it
•You need a cost-effective alternative to proprietary office suites for your startup
•Your team requires a collaborative platform for document and project management
•You want to integrate a CRM system with your existing workflow without additional costs
Quick start
1Access the web interface at http://localhost:8080 and sign in with the default credentials (username: 'admin', password: 'admin')
2Configure the mail aggregator by editing the /app/onlyoffice/CommunityServer/data/.config/mail/aggregator.config file
3Create a new project in the document management module by clicking on the ' Projects' tab and then 'Create'
4Invite team members to collaborate on the project by adding them to the project's permissions list
5Explore the CRM module by navigating to the 'CRM' tab and creating a new contact or lead
Ready-to-paste prompt
docker run -i -t -p 8080:80 -v /path/to/data:/app/onlyoffice/CommunityServer/data onlyoffice/communityserver
Heads up: The CommunityServer Docker image requires at least 4GB of RAM to run smoothly, so ensure your system meets this minimum requirement before attempting to deploy
Saves to your device
Topics
collaboration
crm
csharp
dms
document-management
file-sharing
onlyoffice
project-management
tsql
What's inside — free to inspect
No purchase needed
Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.
8
top-level files
7
folders
260.0M
repo size
Apache-2.0
license
Key files
NuGet.Config
README.md
File tree
.nuget/
build/
common/
licenses/
module/
redistributable/
web/
.gitmodules
3rd-Party.txt
CHANGELOG.md
LICENSE
NuGet.Config
README.md
Roadmap.md
Studio.sln
Quick Actions
Details
Creator
ONLYOFFICE
Language
C#
Category
sales
Published
7/5/2014
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