So, from my experience crowdfunding software has not been very successful on Kickstarter or Indiegogo relative to other verticals (aside from open source projects or projects by well-known developers).
There are a few mobile app centric platforms:
http://www.crowdcrux.com/crowdfunding-p ... -for-apps/Another is:
https://appcatalyser.com/Open source projects:
https://www.bountysource.com/I think you would see greater success if you used equity crowdfunding to crowdfund a software project like the way that
CoFoundersLab did with RockthePost (they raised $155k).