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/ Levanta

- Linuxcare, Inc. (Google Finance)
- RIP, Levanta (Linux.com)
- Linuxcare is a public company.
- Linuxcare is the first major Linux support company.
- Levanta laid off all employees on March 31, 2008.

Sun Microsystems

- Sun Microsystems, Inc. (Google Finance)
- Sun Microsystems is a public company.
- Sun Microsystems provides network infrastructure.
- Sun Microsystems provides licenses and supports open sources, such as JAVA platform and Solaris OS.

Scriptics/ Ajuba Solutions

- Ajuba Solutions, Inc. (BusinessWeek)
- Ajuba Solutions is a private company.
- Ajuba Solutions provides solutions for automating, customizing, and managing B2B relationships over the Internet.
- John Ousterhout, the founder of Scriptics, designed Tcl, a scripting tool.

Lucid Inc.

- J. Foderaro, "Programming Environment," ACM SIGPLAN Lisp Pointers, vol1, Issue4, pp30-31, 1987. (Survey of Common Lisp)
- Lucid's product is Lisp IDE.
- Lucid went bankrupt in 1994