PacktPub is at it again with their annual 'Open Source CMS Award' contest. This year there are over $19,000 in prizes for Open Source projects!

Three random entry submitters will also win an iPod Nano so be sure to submit your favourite content management system today

Nominations are open until Friday, August 31st. The judging of each system will be based on performance, usability, accessibility, ease of configuration & customization, scalability, security & community contribution

The available categories to nominate in are

• Overall Winner, Open Source CMS Award
• Most Promising Open Source CMS
• Best Open Source PHP CMS
• Best Other Open Source CMS
• Best Open Source Social Networking CMS

We're big fans of the e107 content management system around these parts, so if you haven't yet give it a shot. The links are below!

Remember there are 5 categories to nominate your favourite content management system in, don't forget to fill them all out & leave your favourites in the comments here.