Applications
- XWiki - Wiki Application

Business Process
- Intalio - BPM tools
- Pentaho - BI platform

Compatability Tools
- CodeWeavers - Tools to run Windows apps on Linux

Consumer Electronics
- Neuros - Media players
- SlimDevices - Audio media players

Content Management
- Alfresco - Enterprise content management solutions
- eZSystems
- Infrae
- Nuxeo
- Zope

CRM
- SugarCRM - Customer Relationship Management solutions

Database
- db4Objects - Object database for Java and .NET
- EnterpriseDB - RDBMS based on PostgreSQL
- GreenPlum - Database servers for business intelligence
- Ingres - RDBMS based on Ingres
- MySQL - MySQL RDBMS
- Sleepycat Software - RDBMS based ob Berkeley DB (now part of Oracle)

Developer Support
- ActiveState - Open source language tools (Perl, PHP, etc)
- CollabNet - On-demand collaboration tools for distributed development
- GlassBox - Diagnostic tools for Java programmers
- Koders - Search for Open Source software
- Krugle - Search for Open Source software

Document Management
- KnowledgeTree - Document management system

Embedded System Support
- Montavista Software - Linux distribution for intelligent devices & infrastructure
- TimeSys - Tools for custom embedded Linux distribution
- TrollTech - Tools for Enterprise & portable devices device applications

Enterprise Application Support
- OpenLogic - Infrastructure management tools and certified library of Open Source apps
- Optaros - Consulting & integration services for Enterprise apps built on Open Source
- SourceLabs - Support services for certified stacks of Open Source software
- SpikeSource - Certified Open Source stacks and applications
- Univa - Enterprise version of Globus grid software
- XenSource - Enterprise version of Xen Virtualization software
- Zend - Tools to deploy & maintain PHP applications

ERP
- Compiere - ERP applications with integrated CRM
- OpenPro - Licensed ERP applications built on Open Source

Intellectual Property Management
- BlackDuck Software - Compliance management tools to detect use of Open Source
- Palamida - IP management for Open and Closed Source

IT Management
- ActiveGrid - Management tools for LAMP applications
- FiveRuns - Systems Management
- GroundWork Open Source - Management and monitoring of IT infrastructure
- Hyperic - Monitor & control IT infrastructure
- Qlusters - Software to automate Enterprise Data Centers
- Zenoss - Enterprise IT management system
- Zmanda - Data protection solutions for backup and restore

Linux Distributions
- Canonical - Ubuntu Linux for desktop and enterprise
- Linspire - Desktop
- Mandriva - Desktop & Enterprise
- Miracle Linux - Miracle distribution
- Red Flag - Asiaux distribution
- Red Hat - Desktop & Enterprise
- SunWah
- Xandros - Desktop

Messaging
- Collax - Enterprise/SME messaging and security
- Funambol - Push email to mobile devices
- Scalix - Messaging infrastructure platform
- SendMail - Enterprise messaging products
- Zimbra - Enterprise messaging

Network Software
- OpenClovis - Platform software for carrier grade telco systems
- Vyatta - Network Infrastructure software for routers & switches

Report Writer
- JasperSoft - Report Generator

Security
- SourceFire - Network security products based on Snort

SOA
- LogicBlaze - Enterprise SOA platform

Telephony
- Digium - Asterisk Open Source PBX

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