Austin-based startup Plerts recently released a service application that leverages check-in technology to enhance one’s safety and security. Users are enabled to select people from their social graph to become part of one’s safety alerting system. If you are in danger or miss a check in people in your safety alerting system are notified via text and email. Plerts launched as a free iPhone app, a Facebook app and as web app.

This week at the DEMO Spring 2010 Conference in Silicon Valley, Austin-based Zosh officially launched. Zosh is an iPhone and Ipad application that alleviates the need for a computer or fax to complete a form document or to provide a signature for a form. The application allows for a mobile worker to sign and complete document form information using an iPhone.

Today, Austin-based BidModo launched a public beta version of its free online small business marketplace where business owners connect with local companies in a variety of business service categories. From accounting to graphic design, BidModo provides an online marketplace to increase productivity, reduce costs and link local companies.

BidModo is live nationally in 80 cities with active connections in over 100 business service categories, with the company planning to roll out in each focus city when once they reach a critical mass of vendors. Austin is the first city to receive an official launch.