Most useful SEO-SEM tools list

List of helpful SEO-SEM Tools

Crawling & Indexing Tools

1. Supplemental Index Ratio Calculator
2. Diagrams for Solving Crawl Priority & Indexation Issues
3. Using multiple sitemaps to analyse indexation on large sites
4. Ping O Matic

Keyword Research Tool

1. Google Keyword Tool
2. Google Search Based keyword Tool
3. WordTracker
4. Keyword Discovery
5. SEOmoz Keyword Difficulty Tool

On-Page Optimization Tools

1. Search Engine Spider Simulator
2. Yellowpipe Lynx Viewer Tool
3. Webpage removal request tool
4. XML Sitemap Generator
5. Google Sitemap Generator– It is a tool installed on your web server to generate the Sitemaps automatically. Unlike many other third party Sitemap generation tools, Google Sitemap Generator takes a different approach: it will monitor your web server traffic, and detect updates to your website automatically.
6. Search engine SPAM detector
7. Page Speed
8. Web Developer Firefox Add-on
   
9. SEOBook Toolbar
10. Data Liberation Front
11. Google Webmaster Guidelines
12. Google Guidelines For Quality Raters
13. Google Ranking Factors – SEO Checklist
14. Google SERP Snippet Optimization Tool
15. Xenu Link Sleuth –

Competitor Analysis Tools

1. 21 Tools for Spying on Your Competitors:
2. Compete.com
3. Quantcast.com
4. Alexa.com
5. Spyfu.com

Email Marketing Tools

Campaign Monitor – It is an e-mail markeitng software. They charge $5 per campaign and 1 cent per e-mail. You don’t need to pay anything if you send to 5 or less people.

Legal & Copyright Tools

1. Copyright Basics
2. Website Copyright Infringement and DMCA Procedures
3. How to deal with Copyright Infringer Step by Step
4. Using the DMCA Takedown Notice to Battle Copyright Infringement
5. U.S. Copyright Office – Registering a Work (FAQ)

Hope the above list of tools will be helpful to all my freinds in the SEO industry. Cheers 🙂