I found a list of free directories to submit your links. It might be useful.
The update list you could find here:

!tzalist - Free website submissions! Add your URL for FREE.
0pn Search Engine - always free url submission
Web Directory Hit Link - Submit Link
123 Kidz Area.com - Your Family Internet Directory
BigAll.com- Welcome!
Directory- Submit Link
1800miti.Com
Business Seek .biz Business Directory - Submission Options
1AmericaMall.com- File Not Found
Browse Industrial Suppliers, Products and Services on ThomasNet
submit a site
ODP - Open Directory Project
Business & Economy in Massachusetts
Hedir Web Directory - How to Submit: Human Edited Directory
Business .2GOGO.co.uk
List your favorite local stores, restaurants or places and share them with the rest of us!
Sedoparking.com - websitedebut.com info. This website is for sale!
DareDirectory Seo Friendly Webdirectory Edited by Humans
Your Own Corner || Web Directory
Niche-Listings.com :: Niche Web Site Directory and Search Engine Friendly Online Resource Center for Businesses and Consumers
Suggest Link - Diary of quality sites!
Bitwide Web Directory- Submit Link
Test Page for the SSL/TLS-aware Apache Installation on Web Site
Cosmetics,Fragrance,Handbags,Jewelry,Shoes,Music,Art,Music,Automotive,WebTools
viesearch - Submit Link
Submit URL to Business Category
Gimpsy - Active Sites for Active People
JuicyTail JuicyTail
Pblake Directory - Submit Link
Submit Link - SCHWOIT Directory - SEO Friendly Links
Cpanel hosting
Jayde.com - The B2B Search Engine
Your Anthill |
Sign-in
Store Locator :: 411 Find
Pharos Search: Site Submission Guidelines
Submit A Site, Add URL, Website Submission, Business Directory
The german meta search engine for english speaking people.
Add link: 4-fun.biz
4ppl Directory
4yourneed SEARCH