SharpDevelop can take advantage of the following software if you install it:
Microsoft .NET Framework 4.5.1 Developer Pack
for .NET 4.5 code completion documentation
Microsoft Windows SDK for Windows 7 and .NET Framework 4
(strongly recommended!)
Microsoft F#
for F# support
StyleCop
for source analysis support.
TortoiseGit
for Git source control support.
TortoiseSVN
for Subversion source control support.
SHFB
for documentation generation support.
WiX
for building installers.