Plone vs. Sharepoint articles and blog posts

• Why Sharepoint Scares Me by Peter Campbell of Idealware.org
• Katie Cunningham discusses Sharepoint at NASA, and why they went with Plone instead
  
• Karl Horak discusses Plone vs Sharepoint on his blog
  
• Plone vs Microsoft Sharepoint Server (2008) by Francesco Ciriaci 
• Plone vs Microsoft Sharepoint Server, part 2 (2009) by Francesco Ciriaci 
• Cyn.in is a Plone-based intranet solution and here is a blog post describing how it compares to Sharepoint in terms of pricing.
  

Free Plone add-ons that make Plone a more capable intranet solution

• Reflecto is a tool to incorporate part of the file system into a Plone site. It allows you to browse through a filesystem hierarchy and access the files in it.
• Preview of PDF files using pdfpeek or ARFilePreview
• Enfold Desktop: Drag-n-drop uploading, edit content in programs such as Microsoft Word, Excel, Dreamweaver or a text editor by opening Plone items directly from the Windows file manager.
• Secure login using https
• Lock out user after failed login attempts
• Privacy pack
  
• Advanced search using:
• Solr
• Google Search Appliance
  
  

General articles about Sharepoint

• SharePoint 2007: Gateway Drug to Enterprise Social Tools
  
• General discussion about Sharepoint on Slashdot
• J. Boye Report Cautions on Using SharePoint for Public Websites
• Sharepoint invites silos
  
  

Dead links

• University of Leicester comparison of Plone to Sharepoint (2007)
• Disney replaces Sharepoint with Plone (2006)  - link not found