Autoruns - See what programs are configured to startup automatically when your system boots and you login.
LaunchControl - The launchd GUI
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.
Autorun Organizer - Free startup manager with delay option.
Cronnix - CronniX is an Aqua frontend to the powerful Unix tool "cron".
Quick Startup - Quick Startup is an advanced startup manager to speed up your windows boot and solve the problem of slow PC system startup. It gives startup items information, reference and allows to delay auto-startup items.