R. Bagozzi and U. Dholakia, Open Source Software User Communities: A Study of Participation in Linux User Groups, Management Science, vol.52, issue.7, pp.1099-1115, 2006.

. Marketwired, Crowdfunding Market Grows 167% in 2014: Crowdfunding Platforms Raise $16.2 Billion. Retrieved March 10, 2015.

E. Gerber, J. Hui, and P. Kou, Crowdfunding: Why People Are Motivated to Post and Fund Projects on Crowdfunding Platforms, 2012.

D. C. Brabham, Moving the Crowd at Threadless: Motivations for Participation in A Crowdsourcing Application. Information, Communication& Society, vol.13, issue.8, pp.1122-1145, 2010.

N. R. Budhathoki and C. Haythornthwaite, Motivation for Open Collaboration: Crowd and Community Models and the Case of OpenStreetMap, American Behavioral Scientist, vol.57, issue.5, pp.548-575, 2013.

K. R. Lakhani and R. G. Wolf, Why hackers do what they do: Understanding motivation and effort in free/open source software projects. Perspectives on free and open source software, vol.1, pp.3-22, 2005.

A. Hars and S. Ou, Working for Free? Motivations of Participating in Open Source Projects, Proceedings of the 34th Annual Hawaii International Conference, pp.25-39, 2001.

C. T. Lu, S. Xie, X. Kong, and P. S. Yu, Inferring the Impacts of Social Media on Crowdfunding, Proceedings of the 7th ACM International Conference on Web Search and Data Mining, pp.573-582, 2014.

A. A. Matheus, The Role of Online Crowdfunding Communities in Funding Cycle Success: Evidence from Kickstarter, 2016.

A. Bard, E. Brännström, and D. Fahlberg, Crowdfunding-En ständig kommunikation. En studie på en communitys relevans runt ett crowdfundat projekt, 2014.

M. Castells, The Internet Galaxy: Reflections on the Internet, Business, and Society, 2002.

D. Li, G. J. Browne, and J. C. Wetherbe, Why Do Internet Users Stick with a Specific Web Site? A Relationship Perspective, International Journal of Electronic Commerce, vol.10, issue.4, pp.105-141, 2006.

J. J. Wu, Y. H. Chen, and Y. S. Chung, Trust Factors Influencing Virtual Community Members: A Study of Transaction Communities, Journal of Business Research, vol.63, issue.9, pp.1025-1032, 2010.

M. R. Parks, Social Network Sites as Virtual Communities, Networked Self: Identity, Community, and Culture on Social Network Sites, pp.108-109, 2011.

E. Borg, Discourse Community. ELT Journal, vol.57, issue.4, pp.398-400, 2003.

M. M. Wasko and S. Faraj, Why Should I Share? Examining Social Capital and Knowledge Contribution in Electronic Networks of Practice, MIS Quarterly, pp.35-57, 2005.

S. Krishnamurthy, An Analysis of Open Source Business Models, 2003.

E. S. Raymond, The magic cauldron, 1999.

E. S. Raymond, The Cathedral and the Bazaar: Musings on Linux and Open Source by An Accidental Revolutionary, 2001.

E. S. Raymond, How to become a hacker, Database and Network Journal, vol.33, issue.2, pp.8-9, 2003.

J. A. Maxwell, Understanding and validity in qualitative research, Harvard Educational Review, vol.62, issue.3, p.279, 1992.

P. Runeson and M. Höst, Guidelines for conducting and reporting case study research in software engineering, Empirical software engineering, vol.14, issue.2, p.131, 2009.