Also, you don't need to have text that appeals to everyone (there is no "average" user), but you should be able to write text that appeals to at least one of your groups (individuals, developers, enterprise). The two sentences you have currently are so generic that they don't say anything at all. An open source platform? An open source platform that does what?
Target the group with your messaging that you are targeting with your platform. Sure, sandstorm could be used by any of them, but which group is MOST important to your platform?