Alternatives to Roundup

Below are some post-emergent weed killing alternatives to nasty Roundup:
Avenger Weed Killer. Citrus oil. OMRI approved (Organic Material Review Institute)
ALLDown. 20% vinegar weed killer, plus citric acid. OMRI approved
Phydura. Clove oil and vinegar. OMRI approved
Also:
Intense Heat. Weed Dragon is one popular tool for eliminating weeds. Learn more about this tool as well as safety tips at Gardening Products Review.com
Boiling water. Easy-peasy, but don’t spill any on you!