Epoxy Resin is the most structurally sound repair, some of its characterists is: binds to concrete, pentrates crack all the way through to the outside, creates a barrier water can't penetrate through, and is the best repair.
Polyurethane is the second best repair for a leaking crack. It's charcteristics are: expands to fill in the crack, creating a barrier that water can't penetrate; penetrates all the way through the crack, all the way to the outside; can be injected into wet cracked concrete foundations; but doesn't provide structural strength.
French Drain pull water away from your exterior basement wall, keeping your basement safe from the damaging effects of having ground water against your basement foundation wall.
Weeping tile drainage systems work by directing leaking water down the wall and into the drainage system and sump pump pit. It's less costly then basement waterproofing from the outside.
Exterior basement waterproofing is the mostly costly way to stop leaks and prevent new cracks from forming. It's beneficial to use this method if your basement is finished.
Brick, stone, and masonry sealing, prevents water from penetrating the wall, which can become a source of water leakage in your basement.
Window Well and Drain's safeguard your basement from water buildup around basement windows.
Weeping Tile surrounds the exterior parameter of your basement below ground level, along the footing. Sometimes dirt and debris can build up inside the weeping tile and needs to be cleaned out. This is done with water jetting.