...
- SharePoint 2007: If you have Microsoft Office SharePoint Server (MOSS), you must buy a license from Microsoft. Windows SharePoint Services (WSS) 3.0 is free.
- SharePoint 2010: If you have SharePoint Server 2010, you must buy a license from Microsoft. SharePoint Foundation 2010 is free.
See our guide to the SharePoint versions and editions.
Confluence
Each Confluence installation must be licensed with Atlassian. Cluster nodes are licensed separately. A 4-node cluster needs four Confluence licenses.
...