01) DIGGZA :
Diggza.com is the source for free search engine submission. They provide webmasters and site with free manual and auto submission.
It is same as Diggza. They provide provide free manual and auto submission to the highest-rated site.
03) ADD URL FREE
Add URL Free .com is a free website submission service that automatically submits your URL to the most popular search engine directories!
04) ADD ME
Addme provides a variety of powerful search engine submission services. Our submission services submit your URL to a wide variety of search engines.
05) SUBMIT EXPRESS
This submission script will submit your website URL to 70+ top search engines for free, including Google.
06) Parsi Tools
This submission script will submit your website URL to 150+ top search engines for free, including Google.
Hope these sites help you to get indexed your site on more than 100 search engines.