Visit lingoteach.org where you may download the free LingoTeach software. It allows you to learn languages by seeing translations next to each other, and currently supports 16 international languages. You can check out the screenshots on the page. The site also offers a software library so you may create your own software or incorporate it into say, a web-engine, or even an operating system or an office suite, or a handheld device or a cellphone. They are looking for people to help with Hindi, Tamil, and other Indian languages.
The software also supports spoken words in native languages, so you may learn correct pronunciation of words. LingoTeach is offered under the General Public License (GPL) which means it is free for any use by anybody, free for unlimited sharing and copying. And you have the freedom to modify or enhance it. Find out more about muft and mukt software at gnu.org. Currently LingoTeach runs under GnuLinux, but if you know programming, you could easily port it to Windows over a weekend or a few days. Find other free Windows and GnuLinux software, including for your browser, at dict.org/links.html