Compiling a list of LINK BUILDING tools...

I wonder if you can help me with your recommendations. I was putting together a list of ideal/automated/proven/submission tools to save time, effort and money and wonder which ones you recommended under the appropriate headings. Perhaps there are other topics, or methods Ive missed and you have recommendations for them too.

Here's my list, id be interested in your thoughts, feedback, recommendations and additional strategies?...

1. SEO - IBP, SEO Socialize plugin & No Hands SEO
2. DOCSHARING - Rank Whizz
3. BLOG COMMENTS - NHSEO
4. IMAGE COMMENTING - NHSEO
5. SOCIAL NETWORKS - ??
6. PRESS RELEASES - ??
7. DIRECTORIES - IBP
8. PINGING - PINGLER
9. FINDING PROXIES - PROXY GOBLIN
10. VIDEO SUBMSSION - ??
11. ARTICLE SUBMSSION -??
12. SOCIALBOOKMARKS - ??

Looking forward to hearing your thoughts and recommendations, thanks

There are tons of these threads on BHW already, The search box is your friend for this