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For the company see Opencola.

OpenCola
Type	Open source Cola
Manufacturer	Opencola
Country of Origin	Canada
Introduced	2001
Related products	Vores Øl

OpenCola is a brand of cola unique in that the instructions for making it are freely available and modifiable. Anybody can make the drink, and anyone can modify and improve on the recipe as long as they, too, license their recipe under the GNU General Public License. The legal grounds for this are dubious however, as recipes are exempted from copyright as they are techniques, not artworks.

Although originally intended as a promotional tool to explain free software/open source software, the drink took on a life of its own and 150,000 cans were sold. The Toronto-based company Opencola founded by Grad Conn, Cory Doctorow and John Henson became better known for the drink than the software it was supposed to promote. Laird Brown, the company's senior strategist, attributes its success to a widespread mistrust of big corporations and the "proprietary nature of almost everything."^{[citation needed]}

Contents 1 Flavouring formula 2 Concentrate formula 3 Beverage formula 4 In Italy 5 See also 6 External links 6.1 PDF File

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

• 2.36 kg plain granulated white table sugar
• 2.28 L water
• 30.0 mL caramel colour
• 3.50 tsp. 75% phosphoric acid or citric acid
• 2.00 tsp. flavouring formula
• 0.50 tsp. caffeine (optional)

Mix the concentrate with 5 parts filtered water and force carbonate the beverage, or use a soda fountain that will combine the concentrate with carbonated water at the tap.

Some members of the free software movement have started an Italian OpenCola project, but without any commercial purpose. The only thing the Italian OpenCola and the "official" OpenCola have in common is the name. The Italian version is clear and has never been sold.

• Vores Øl, open source beer
• Coca-Cola formula

• OpenCola soft drink
• Cube Cola Bristol UK
• Guardian Newspaper Article

• OpenCola's soft drink formula

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