OpenCola Recipe

OpenCola was a very nice experiment that didn't have the deserved success.

Anyway, courtesy of WikiHow you can get the recipe and make it yourself:

Flavoring

• 3.50 ml orange oil
• 1.00 ml lemon oil
• 1.00 ml nutmeg oil
• 1.25 ml cassia oil
• 0.25 ml coriander oil
• 0.25 ml neroli oil
• 2.75 ml lime oil
• 0.25 ml lavender oil
• 10.0 g gum arabic
• 3.00 ml water

Concentrate

• 2.00 tsp (10 ml) flavoring
• 3.50 tsp (17.5 ml) 75% phosphoric acid or citric acid
• 2.28 l water
• 2.36 kg granulated white sugar
• 0.50 tsp (2.5 ml) caffeine (optional. use caution)
• 30.0 ml caramel color

Txs BoingBoing for the link (and for the advise on how much sugar is there in these cans)