first_img Next Article February 12, 2009 Technology The only list that measures privately-held company performance across multiple dimensions—not just revenue. Ustream.TVFounders/ages: Gyula Feher, 30; John Ham, 30; Brad Hunstable, 30Launched: 2007App: A destination platform for streaming live video over the internet; includes co-hosting, chat and hyperlink overlay functionsWhy it works: While YouTube hosts previously recorded videos, Ustream hosts live content, allowing real-time viewing and interaction.Just UptimeFounder/age: Chris Phillips, 25Launched: June 2008App: A website- and server-monitoring application that provides instant e-mail notifications, SMS text alerts and detailed reporting when your website or server is downWhy it works: Sure, a few people out there spend every waking moment online. But for those who don’t, this intuitive app gives them a heads up when issues arise.OoVooCEO/age: Philippe Schwartz, 44Launched: 2007App: An innovative video service for creating video messages, real-time video chats for up to six people and live video callsWhy it works: Communication, whether between friends and family or employees and business partners, has moved online. OoVoo allows face-to-face conversations when being in the same room isn’t possible. Lindsay Holloway Apply Now » This story appears in the March 2009 issue of Entrepreneur. Subscribe » If you’re thinking about creating a web app–whether as a business or to use in your existing business–its construction costs and time can run the gamut. It depends on many factors: how complicated the technology is, what tools you use to build it and so on. But details aside, here are a few web app entrepreneurs who show us it can be done.Iotum CalliflowerFounders/ages: Alec Saunders, 45; Howard Thaw, 52Launched: June 2008App: A meeting tool that bridges businesses and social networks to allow the planning of and participation in interactive conference callsWhy it works: The solution is all-encompassing: It combines high-quality audio conferencing, scheduling, file sharing and collaboration in an easy-to-use interface.MedAppsFounder/age: Kent E. Dicks, 48Launched: 2005App: A two-part application that provides a remote health-monitoring solution; the mobile app collects patient data and readings that a health-care professional monitors via the web appWhy it works: MedApps makes remote health monitoring accessible and inexpensive to the more than 133 million people in the U.S. with at least one chronic condition. Magazine Contributor Yes, You Can Build Your Own Web App 2019 Entrepreneur 360 List Get started nowInspired to build your own web app? These sites can help you take that first step. –shares 2 min read Add to Queue Caspio Coghead Intuit QuickBase Zoho Creatorlast_img

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