Build automation tools

CruiseControl
http://cruisecontrol.sourceforge.net/

Luntbuild
http://www.pmease.com/luntbuild/

Anthill
http://www.urbancode.com/projects/anthill/default.jsp

Software Configuration Management

OpenSource

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Versions Control
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CVS
SubVersion
Cogito
Git - Fast Version Control System (Linux Kernel use this)(Distributed)
Mercurial (Distributed)
Bazaar (Distributed)
SVK (decentralized version control system built with Subversion)

Issue Manager
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Roundup Issue Tracker
RT: Request Tracker
Trac

Commercial

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Versions Control
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Microsoft Visual SourceSafe（VSS）
Rational Clear Case
Borland StarTeam
Merant PVCS Version Manager
BitKeeper (Linux kernel use this before, use git now)
Perforce

Issue Manager
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Jira
Mantis bugtracking system
TrackStudio(hierarchical issue tracking and bug tracking system)