When you finally come to the realization that your website absolutely must be rebuilt on a content management system, you then face the challenge of learning about all the CMS options out there and selecting the one that works best for you. While Rand recommends that you build your own for customization purposes, most website owners won't be able to afford that option. There are dozens of open source options, however, now available for you to test drive at Open Source CMS.
From portals and blog software to e-Commerce and groupware, you can try them on before you install. You sign in to an online demo as the admin and do practically whatever you want. Each sample CMS reboots every 2 hours. Check it out! It's a good way to learn about what you do and don't want from a CMS.