1. Apache Subversion. Enterprise-class centralized version control for the masses. https://subversion.apache.org/ . Accessed 03 Jan 2017
2. Backlog. Online project management tool for developers. https://backlog.com/ . Accessed 03 Jan 2017
3. Beck K, Cynthia A (2005) Extreme programming explained: embrace change. Addison-Wesley Professional, Boston
4. Beck K, Grenning J, Martin RC, Beedle M, Highsmith J, Mellor S, van Bennekum A, Hunt A, Schwaber K, Cockburn A, Jefferies R, Sutherland J, Cunningham W, Kern J, Thomas D, Fowler M, Marick B (2001) Manifesto for agile software development. http://agilemanifesto.org/ . Accessed 10 Jan 2017
5. Cockburn A (2006) Agile software development: the cooperative game, 2nd edn. Addison-Wesley Professional, Boston