1. Anubis. Retrieved from http://anubis.iseclab.org/. Service discontinued. Anubis. Retrieved from http://anubis.iseclab.org/. Service discontinued.
2. Apache Giraph. Retrieved from http://giraph.apache.org/. Apache Giraph. Retrieved from http://giraph.apache.org/.
3. Apache Hadoop. Retrieved from http://hadoop.apache.org/. Apache Hadoop. Retrieved from http://hadoop.apache.org/.
4. DNSCrypt—Official Project Home Page. Retrieved from https://dnscrypt.org/. DNSCrypt—Official Project Home Page. Retrieved from https://dnscrypt.org/.
5. DomainHistory.net: Detailed domain name information and archives in one place. Retrieved from http://www.domainhistory.net/. DomainHistory.net: Detailed domain name information and archives in one place. Retrieved from http://www.domainhistory.net/.