ClearOS 6 Professional

ClearOS 6, Professional Edition is a complete server operating system. This edition is built for production users and includes only quality tested, performance optimized code and updates. All updates, bug fixes, patches and security fixes are automated at your discretion providing a easy to manage, stable, and secure solution. Features span 75+ IT functions from domain control, network & bandwidth control, messaging and more! 

  • Fully Supported, Tested, Quality Assured & Built for Production Use
  • No User Fees & Simple Per Server License Options
  • Completely Cloud Managed with Point & Click Simplicity
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Final Release Downloads:

ClearOS 6.7 Professional Edition   Final Release 64 bit ISO* Download
ClearOS 6.7 Professional Edition   Final Release 32 bit ISO* Download
ClearOS 6.7 Community Edition   Final Release 64 bit ISO* Download
ClearOS 6.7 Community Edition   Final Release 32 bit ISO* Download

Developer Downloads:

ClearOS 6.8 Community Edition   Release Candidate 64 bit ISO** (coming)
ClearOS 6.8 Community Edition   Beta 64 bit ISO** (coming)

Installation Guides, Release Notes, & Documentation:

ClearOS 6.7 | User Guide   View
ClearOS 6.7 | Change Log   View
ClearOS 6.7 | Bug Tracker   View
ClearOS 6.7 | Release Notes   View
ClearOS 6.6 | Release Notes   View
ClearOS 6.5 | Release Notes   View
ClearOS 6.4 | Release Notes   View
ClearOS 6.3 | Release Notes   View
ClearOS 6.2 | Release Notes   View
ClearOS 6.1 | Release Notes   View
ClearOS 6.0 | Release Notes   View

*SECURITY CHECK: When downloading a final release ClearOS ISO, use the following check sums for security verification. Click here for information on how to do this.

  • MD5sum: a094763e6ed5d9b073fd4e651f9a48f1
  • SHA256sum: b4da8ffa10945e4d95478edb32f7a3dd9691f9a6c6d7820b1ffa346f6eb6a878
  • Size: 816Mb

**DEVELOPER NOTE: No release date has been set for ClearOS 6.8.


One Platform. One Interface.

Beginning in 2001 we ensured our software and appliances were cloud managed enabling you to more efficiently manage your deployments and multi-site environments from one simple interface. ClearOS provides a wide variety of IT functions for Cloud, Gateway, Network, Server and more; all built into one platform. We've designed ClearOS to be managed through Webconfig using any browser. This means you boot up your access device of choice and have all the tools at your fingertips you need to keep your system running. Make adjustments from your laptop in the office or from your smart phone on the road.

Clean, Simple Webconfig

ClearOS delivers a simple & beautiful browser-based interface. Leave the black screened world of command line interfaces behind. With ClearOS Professional, anyone can learn to manage their IT environment.



Robust VPN Features.

Get one of the most complete VPN systems. Make your network act as one even if you are running remote offices in different parts of the world.

  • Dynamic VPN - Utilize IPsec VPN to manage dynamic IP addresses
  • OpenVPN - Provide secure remote access to your local system
  • PPTP VPN - Set up your VPN with a PPTP connection

ClearOS Marketplace

ClearOS Business is the most versatile IT Operating Platform ever created. ClearOS includes IT functions from access point control to 3rd party, cloud application management.

The 75+ IT Functions built into ClearOS are delivered as apps, which you install as needed on your ClearOS server. Integration with existing cloud apps and service, combined with the delivery of new and dynamic cloud apps and services, makes managing your IT even easier.

ClearOS also provides the needed on premise functions for your server, networking and security needs. ClearOS is equipped with the ClearOS Marketplace which allows you to scale the functionality of your server with a simple point-and-click method.



Enterprise Grade Security

It's really quite simple, no one likes to feel as though your systems are at risk or that your data may be compromised. With the ClearOS, protecting your network just got a whole lot easier.

ClearOS Professional keeps out unwanted viruses, spam and hackers, by offering you the latest in cutting-edge protection.

  • Antivirus - Keep your entire network safe by filtering viruses at the edge
  • Antiphishing - Protect your network from malicious links
  • Intrusion Detection - Filters all traffic at the gateway
  • Contextual Analysis - Intelligent analysis based upon page content
  • L7 Protocol Filter - Analyze packets and filter IP, port or protocol
  • Access Control - Apply time based restrictions to users & groups

Data Recovery

Far too often businesses procrastinate on implementing the necessary steps to ensure your business is functional at all times. ClearCenter provides simple scalable solutions to fit the needs of any remote storage requirement; be it 5 GB – 500 TB of offsite data backup.

Another feature which is beneficial to ClearOS users around the world is the Remote Configuration Backup. This snapshot of your system allows you to replicate these configurations across subsequent installations in your environment simply.

As the IT Administrator you decide when, what and how your system backs up and can rest assured that our global data centers keep your data secure and accessible at all times.


ClearOS 6, Professional | Subscriptions

DID YOU KNOW: Deploying ClearOS 6, Professional Edition saves you hundreds or even thousands of dollars a year. The Professional Edition bundles in many available paid apps and services, along with commercial third party add-ons which are more costly as al a carte options on other ClearOS editions.Check out the benefits of using ClearOS 6, Professional below:

Multi-Year Options Available

Professional Subscription

  • Includes 75+ IT Functions (apps)
  • ClearOS 6, Professional OS & App Access
  • Quality Tested Code & Updates Only
  • Master / Slave Directory Synchronization
Multi-Year Options Available

Professional Subscription

  • LITE Subscription (plus the following)
  • + Commercial URLs for Content Filter
  • + Content Filter Blacklisting
  • + Commercial Signatures for IDS / IPS
  • + Commercial AV / AS Rules
  • + Remote System Configuration Backup
  • + Dynamically Managed VPN
Multi-Year Options Available

Professional Subscription

  • BASIC Subscription (plus the following)
  • + ClearCARE Level I (Break/Fix Support)
  • + 8/5 Tech-Support (M-F 10-18:00 EST)
  • + Unlmited Tickets (Incl. 5 Hour Support Pack)
  • + Email Support
  • + Remote Login Support
  • + 1 Business Day Initial Support Response
Multi-Year Options Available

Professional Subscription

  • STANDARD Subscription (plus the following)
  • + ClearCARE Level II (Troubleshooting Support)
  • + 8/5 Tech-Support (24/7 *outages only)
  • + Unlmited Tickets (Incl. 10 Hour Support Pack)
  • + Phone Support
  • + 4 Hour Initial Support Response
  • + Remote System Monitor Alerts
  • + Remote File Security Audit Alerts 

ClearOS 7, Business | Marketplace Apps (Features)

Cloud Apps

  • Dropbox®
  • Google Drive® Sync (coming)
  • Microsoft Office365® Connector (coming)
  • Dynamic DNS
  • Dynamic VPN
  • Remote Security Audit
  • Remote Data Backup
  • Remote System Monitor
  • Google Apps®, Accounts Sync
  • Antimalware Signatures
  • Antispam Signatures
  • Content Filter Blacklists
  • IDS Signatures

Network Apps

  • Bandwidth & QoS Manager
  • 1-to-1 NAT Firewall
  • Custom Firewall
  • DMZ Firewall
  • Egress Firewall
  • Incoming Firewall
  • Port Forwarding
  • Network Map
  • DHCP Server
  • DNS Server
  • Multicast DNS Server
  • NTP Server
  • RADIUS Server
  • SSH Server
  • UPnP
  • OpenVPN
  • ibVPN
  • PPTP Server
  • IPsec VPN
  • IP Settings
  • Multi-WAN
  • Upstream Proxy

Gateway Apps

  • Gateway Antiphising
  • Gateway Antivirus
  • Kaspersky® Antimalware
  • Content Filter Engine
  • DNSThingy
  • Web Access Control
  • Web Proxy Server
  • Web Proxy Auto Detection
  • Intrusion Detection System
  • Intrusion Prevention System

Server Apps

  • MariaDB Database Server
  • Directory Server
  • Microsoft Active Directory® Connector
  • Google Apps® Connector (coming)
  • Antimalware File Scanner
  • FTP Server
  • Flexshare
  • ownCloud
  • Photo Organizer
  • Plex Media Server
  • Serviio Media Server
  • Windows Networking (Samba)
  • Advanced Print Server
  • Greylisting
  • IMAP &amp POP Server
  • Mail Antispam
  • Mail Antivirus
  • Mail Archive
  • Mail Retrieval
  • Kaspersky® Mail Antimlware
  • Roundcube Webmail
  • SMTP Server
  • Zarafa® Collaboration (exchange)
  • Web Server

System Apps

  • Master / Slave Synchronization
  • Administrators
  • Groups
  • Account Manager
  • Account Import
  • Password Policies
  • Users
  • User Certificates
  • User Profiles
  • Software RAID Manager
  • Storage Manager
  • ClearOS Business Marketplace
  • ClearCARE Support

Reporting Apps

  • Bandwidth Viewer Report
  • Disk Usage Report
  • Log Viewer
  • Network Report
  • Network Visualizer
  • Process Viewer
  • Resource Report
  • SMART Monitor
  • Events &amp Notifications System (coming)
  • System Report
  • IDS Report (coming)
  • IDS Viewer (coming)
  • Content Filter Block Report (coming)
  • Antimalware Threat Report (coming)
  • SSH Access Log Report (coming)
  • Remote Audit Log Report (coming)
  • Penetration Testing Report (coming)

ClearOS 7, Business | Deployment Types

ClearOS provides a simple solution be it deployed on premise or off premise. Click the image to view a simple comparison of popular deployment types. With ClearOS, you can choose to deploy a private network keeping your data local or utilize cloud technologies for file and messaging with ease.


ClearOS 7, Business | Demo Servers


On Premise | Private Deployment

ClearOS Business allows you to deploy your server, network, gateway and more privately; keeping your data protected from outside entities or big brother duplication. With over a hundred apps and services available for your on premise network, ClearOS allows you to simplify your network while improving efficiency. This demo server is pre-configured in this way, providing file, print and mail as part of your On Premise, Private Deployment.

Continue Reading Launch Demo Username: get Password: clear

On Premise | Hybrid Deployment

As new Cloud Apps & Services become available the simplicity of deploying great system functionality is easier than ever. Sometimes the ease of deployment comes at a price of managing these new systems with existing or on premise infrastructure. ClearOS Professional's ability to integrate these technologies provides a simple hybrid solution. Simply select the cloud app from the ClearOS Marketplace, for the cloud systems you wish to deploy, and your ClearOS server will connect to these technologies. This allows them to be integrated easily into the on premise server.

Continue Reading Launch Demo Username: get Password: clear



Off Premise | Private Deployment

ClearOS Business is available in many of the leading IaaS (Infrastructure as a Service) environments. Select a hosting provider and provision ClearOS Business as your central (master) node. Additional on premise systems are easily connected to this master node, receiving policy, and mirroring user data between sites & systems.

Continue Reading Launch Demo Username: get Password: clear

Off Premise | Hybrid Deployment

ClearOS Business is available in many of the leading IaaS (Infrastructure as a Service) environments. Select a hosting provider and provision ClearOS Business as your central (master) node. Then, navigate to Marketplace inside ClearOS to select any cloud service provider apps you wish to install. This will ensure your ClearOS server is the master node to your cloud directories such as Google Apps. Additional on premise systems are easily connected to this master node, receiving policy, and mirroring user data between sites & systems.

Continue Reading Launch Demo Username: get Password: clear


Download & Try IT

Install and Test ClearOS On Your Hardware