I found some tools that may be helpful for you.
- Color & Font Picker
- CSS Validator
- CSS Generator
- CSS Generator (Advanced)
- Drop Down Menu Maker
- HTML Validator
- Popup Maker
- Javascript Mouseover Maker
- Meta Tag Creator
- Meta Tag Viewer
- Table Maker
- Table Maker (Advanced)
- Link Extractor
- HTML Encrypter
- htaccess URL Rewrite
- Spider View
- Url redirect checker
- Browser details
- Broken link checker
- Domain lookup
- Reverse IP/Look-up
- Server status
- Website speed test
- Webpage Analyzer
- Crontab Entry Generator
- Determine Country From IP
- Spam List Check
- Websafe Color Tool
- Code To Text Ratio
- CPM Advertising ROI Calculator
- Gradient Image Maker
- Advanced Meta Tag Generator
- Color Converter