Earn a Certificate for Professional Development from the University of Illinois' Office of Continuing Education upon completion of a selected series of courses.

Client-Side Web Programming Certificate -- Learn the skills you need to create rich user experiences on the Web front-end. This three-course series covers HTML and CSS, Beginning JavaScript, Advanced JavaScript and AJAX.

Linux/Unix System Administration Certificate -- Learn how to administer Linux/Unix systems and gain real experience with a root access account. The four-course series covers the Unix file system, networking, Unix services, and scripting.

Open Source Programming Certificate -- Acquire the skills necessary for a complete understanding of programming using open source operating systems, languages, libraries, and databases. This five-course series covers CGI programming with Perl, SQL database programming, PHP programming, object-oriented programming with Java, and basic Linux/Unix system administration.

Web Programming Certificate -- Learn how to develop web applications and pick up valuable hands-on experience. The six-course series covers HTML, JavaScript, XML, SQL, Perl, and Unix.

.NET Programming Certificate -- Beginning and intermediate programmers will get a solid foundation in .NET programming. The certificate series includes these three courses: Learn XML; Learn Object-Oriented Programming Using Java; and Learn C#.