EchoSign, the web-based electronic signatures and signature automation service, has surpassed one million users. The startup, which launched back in 2006, has also helped sign and close more than $200,000,000 worth of contracts in one month.

EchoSign’s electronic signature service lets you append digital signatures to contracts and other business documents, store them in digital form, and manage those documents without printing them out and faxing them. The startup has a freemium model, where the you can use a basic service for free but pay anywhere from $14.95 to $300 per month for a subscription service that includes extra features such as PDF encryption and password protections.

EchoSign’s CEO and co-founder Jason Lemkin says that the electronic signature movement experienced momentum as more businesses adopted SaaS and cloud computing applications. For example, EchoSign has gained significant popularity on Salesforce’s App Exchange. EchoSign is also integrated with web-based productivity suite Zoho.

To date, EchoSign has raised $8.5 million in funding. The startup faces competition from DocuSign and VeriSign.

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Austin-based Mumboe, originally founded in 2005 as FineTooth, has recently relaunched as another SAS contract management tool. It is similar to Negonation, in that it doesn’t handle eSignatures, but the contracts themselves. FineTooth’s original software solution used natural language analysis to help manage contracts by extracting the important details from contracts. Mumboe, short for the mumbo jumbo found in most contracts, lets companies create contracts from templates, share, search, and track important milestones. The company currently has a three month free trial.

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EchoSign helps you keep executed documents organized. Document writing and negotiation has been largely handled online, via emails, for the last ten years (before that, fedex and faxing of versions back and forth was the way to go). However, when it comes time to execute a final agreement, both sides generally print the document and fax it back to the other side. Unless someone scans the signature pages and creates a pdf, there is no electronic signed copy.

Efax helps somewhat and I often ask people to send docs to my efax number so that I have an electronic copy. But Echosign, besides being free, goes further. Once a document is finalized, you simply upload it to the site and use their interface to email it out to everyone. The emailed document includes a fax cover sheet with the fax number pre-filled. The other side simply prints it, signs it, and sends it to the fax number on the pre-printed form. The original party then receives a pdf version of the signed document for filing, printing and/or forwarding.

I have no idea what the business model is, since its a free service, but EchoSign definitely fixes a big problem for lawyers and companies trying to keep executed agreements and other documents organized.

I’ve looked at other services that are trying to solve the version control of documents…hosting a word or other document that the parties can change and finalize is a great idea and something law firms would easily pay for. Writely and the other ajax office application companies would tweak their services to accomplish this of course. In the meantime, I would really like to see EchoSign create an API and allow services like writely to built the signature piece right in.