For an enterprise environment, Confluence is the best of the bunch.
1. It has commercial support (you did say: enterprise)
2. It's easy for non-techies to use
3. If you buy the optional "Crowd" product, you can do identity management using AD
4. Use the tomcat bundled version, but upgrade the VM allocated memory to a gig to prevent slowness.
5. Upgrade frequently
1. It has commercial support (you did say: enterprise) 2. It's easy for non-techies to use 3. If you buy the optional "Crowd" product, you can do identity management using AD 4. Use the tomcat bundled version, but upgrade the VM allocated memory to a gig to prevent slowness. 5. Upgrade frequently