By now, everyone has probably heard of Google Wave, the innovative communications and collaboration tool that’s been turning heads since it debuted last May. With its rich feature set, it definitely seems to have a promising future, both for consumers and the enterprise. However, the thing that struck me most about Google Wave is that it’s not just an application, but a powerful open platform.

This means that APIs can extend its functionalities even more, in ways faster and more creative than if Google decided to keep it inside a walled garden. Since its launch, thousands of eager developers have been given an access pass for testing, and the company has held events to sustain interest in the platform, as well as showcase what the community has done so far. Here are some of the more enterprise-friendly extensions under development today from the Google Wave gallery: