Where are they now

Companies of open sources (What have they done? What is their business model? Are they public? etc)

Red Hat

-Red Hat, Inc. (Google Finance)
- Red Hat is a public company. 
- Red Hat provides open source Linux kernel which is free.
- Red Hat sells customer support and training for open source software. 

Linuxcare

-Linuxcare, Inc. (Google Finance)

Sun Microsystems

-Sun Microsystems, Inc. (Google Finance)

Scriptics

Lucid Inc.