HiBit Startup Manager - Manage the List of All Applications that are Loaded Automatically When Windows Starts Up.
LaunchControl - The launchd GUI
Autorun Organizer - Free startup manager with delay option.
Lingon - [The Lingon open-source project on SourceForge.net (...
Startup Delayer - Startup Delayer gives you the power to optimize your Startup Process by delaying applications from starting up as soon as you log into your computer. By delaying the applications during start up, your computer becomes usable a lot faster.
Cronnix - CronniX is an Aqua frontend to the powerful Unix tool "cron".