There are a few good resources on the web you can get inspirations from
100+ Web Start-up Business Ideas By Steve Poland
Steve Poland is formerly a TechCrunch writer, a serial web entrepreneur, and an idea guy. He has posted 100+ web start-up business ideas in the past couple years. The article linked above is a compilation of them.
11 Undiscovered Website Ideas to Steal and Make You Rich
Get founding for implementing your ideas: