HaxDig is a modern alternative to Big Dig and aimed to providing traditional Tekkit experience, as well as having a more frequent ore generation like Big Dig. HaxDig is focused on you becoming as rich as you can as fast as you can. Focus on greater building and innovations rather than spend time gathering resources and also having fun and experiment with various mods.
GitHub (for reporting issues and suggestions): https://github.com/PizzaCrust/HaxDig