Here are Free PHP Script for you:

Name: Advance PageRank

Description:
none

Name: CGI Sitemap Generator

Description:
none

Name: Check Backlink in Google, MSN, Yahoo

Description:
none

Name: Check Google PageRank

Description:
none

Name: Check Pagerank, Backlink, Alexa Rank 1

Description:
none

Name: Check Pagerank, Backlink, Alexa Rank 2

Description:
none

Name: Check Pagerank, Backlink, Alexa Rank, MSN Result, Yahoo Result

Description:
none

Name: Hub Finder

Description:
none

Name: Keyword Generator

Description:
none

Name: Keyword Research Tool

Description:
none

Name: Link Checking

Description:
none

Name: Link Harvester

Description:
none

Name: Link Popularity

Description:
none

Name: Link Submit

Description:
none

Name: Link Suggest

Description:
none

Name: Sitemap Generator

Description:
none

Name: The Google Suggest Scrape

Description:
none

Name: XML Sitemap Generator

Description:
none