Listorious.com − The best Twitter-people search on the web, so you can find anyone by topic, region or profession. It’s powered by data from the tens of thousands of list curators. Once you find the right person, you can interview them by asking questions over Listorious. Find people in your industry. Find people you want in your business.
TwtBizCard.com – Sends business cards through Twitter.
FBanners.com − Free banners for your Facebook Profile. A great way to control what pictures appear on your Profile page.
Wordle.net − A toy for generating “word clouds” from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes.
SurveyMonkey.com − A customizable online survey tool. Why you need it: Because market intelligence is a handy thing to have. The free version allows you to gather essential data from up to 100 prospects and clients per survey.
Skype.com − Communication software for instant messaging, video chatting, and member-to-member calling. Why you need it: Free calls to other members, including international.
Google − Search local business listings. Click on Business Solutions at the bottom of the page, then choose Local Business Center. Why you need it: Help local folks find you, and find out what search terms they were using to find someone like you.
MailChimp.com − Autoresponder (mailing-list manager) for email marketing. Free for up to 2000 subscribers, 12,000 emails per month. Why you need it: Gather the contact info of interested prospects, stay in touch, and analyze results.
PDFonline.com − Instantly convert documents into PDF’s─for free.
Clipart.org − A HUGE collection of public-domain clipart. The collection is absolutely free and no registration is required.