Here are some useful tools that you might want to check out when working with System Center Operations Manager 2007:

• Create URL Monitor; script to create url monitors, download
• Agent MM; a command line tool to place OpsMgr agents into Maintenance mode, download
• Creating overrides using the SDK, download
• DumpMpContents; dump the contents of a management pack, download
• GroupMM; takes a group and puts all the computers in the group, download
• MP2XMLDUMPER; export MP to XML, download
• MPTOXML; Converting a sealed management pack to readable XML, download
• MPViewer; show the contents of a management pack, for example rules, monitors, views, tasks, console tasks and reports, download
• OpsMgr 2007 Database and Data Warehouse Size Calculator, download
• Agent Proxy Configuration Tool, download
• ProxySettings; enabling proxying for agents, download
• Run As profile configuration helper; configure a RunAs profile for agents in bulk, download
• Counts and displays the number of security events generated every second, download
• How to specify which RunAs account to use for a particular RunAs profile on a particular agent, download
• View and configure the data warehouse data retention policies within your Operations Manager DW, download
• Utility to view Microsoft System Center Operations Manager 2007 Server/Agent Event logs on a remote computer, download
• MP Module Explorer; a tool to find a particular module and see its settings and configuration, download
• OpsMgr Lineage Explorer; a tool allows you to explore the lineage of OpsMgr MP elements, download