In a IT market that is defined by today’s tight IT budgets, saving on software licenses can mean the difference between financial failure and success for a software development project. While our customer have capital for investment on commercial-grade application servers, sometimes we find hard that our company don't have capital or funds for developer licenses of these application servers. Out of necessity, our company developing and implementing a process that allows for development on top of an open source stack, while production delivery relies on a commercial application server. Initial concerns that implementation differences and the different runtime environments would lead to issue-prone deployments turned out to be unjustified. While different application servers do indeed show incompatibilities, we found that we were able to avoid common pitfalls through preparation and disciplined coding. As the result. Our company has been change to use Eclipse Development Package compare paying a sum of money on windows development tools kits. meanwhile, Windows Web Hosting has been change to linux web hosting. From here. Costing on license software has been decrease to minimum. On Next article, i will describe some information abt linux web hosting and eclipse