As Microsoft moves into the cloud computing space with Windows Azure, many observers are wondering how market share will fall out among the big players. In the meantime, several small start-ups are working hard to solve the continuing problems of cloud computing, like security, management and licensing.

Here are ten cloud computing vendors to watch in 2010:

1. Altor Networks
2. Appirio
3. Boomi
4. Canonical
5. Cloudkick
6. Eucalyptus Systems
7. Lookout
8. Nimsoft
9. ParaScale
10. Tap In Systems

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