kickstarter for opensource

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Kickstarter.com works fine for hardware, art, design, music etc, but it doesnt for open source software. I want to create a different service that will be dedicated for opensource deveopers. 
It will address two problems that are bypassed by Kickstarter -  a) opensource developers dont know/dont like to advertize themselves, b) all-or-nothing time limited model doesnt work for long lasting projects. 
I have a prototype and ready go further. Prototype is online at bitfund.org, contact me to view it and join.

Additional Info

  • Website: http://bitfund.org
  • Time commitment: part time (10h/week)
  • Idea stage: prototype development