Link Building

Better than Backlinks: service offers you the chance to set up your own blog and therefore unlimited keyword backlinks of your choice on a PR7 authority website. (Duncan Carver. Membership Site)

add-your-url.net: submit your URL to the top 5,000+ search engines and directories. (Add-Your-URL.net. Service)
Directory Dominator: one way link building software. (Michael Fisher. Service)
Link Directory Submitter: software auto submits your link details to 2500+ directories. (Tom Dahne and Paul Martin. Service)
Submit Equalizer: software subkits your URL and linking details to around 2000 directories. (Rod Beckwith and Jeff Alderson. Service)
SubmitWolf: well proven, feature packed submission software used by over 3000 commercial submission services. (Trellian. Service)

Directory-submission.net: service submits your link details to up to 500 directories. Bespoke link building services. (Pankaj Gupta. Service)
iNetZeal.com: various manual link directory submission services. (Manish Mathukiya. Service)