This looks interesting - a DCS style hardcore space combat sim which uses real life physics and complex ship management.
http://imagespaceinc.com/rogsys/p/features/
If the open world sandbox module gets implemented, along with with planet landings, that would be a dream come true.
It's early days, but it looks good, and I hope the one man development team succeeds. I appreciate his no BS description of where the game is at and what he hopes to achieve form early access.
http://imagespaceinc.com/rogsys/p/a-...the-developer/
Scott Manley's playthrough: