Any links for a Opensource team room/Project Mgmt software

[KUMARAN MANI <kumaranm@yahoo.com>]

Hello Folks,

I hope I am not the only one, having problems in
tracking bugs, maintaining documents, communications,
emails, discussions, expense reports, etc,etc, which
are typical needs of a project.

So I need your help. If someone out there has used an
"open Source free software" which could run on
Linux/Unix/Windows" which basically helps to manage a
project, please pass on the links for me.

I appreciate it.

Kumaran

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