* Abbreviations

| ABNF   | Augmented Backus-Naur Form                 |
| DHT    | Distributed Hash Table                     |
| DNS    | Domain Name System                         |
| DV     | Distance Vector (routing protocol)         |
| F2F    | Friend-to-Friend (network architecture)    |
| GUI    | Graphical User Interface                   |
| HTTP   | Hypertext Transfer Protocol                |
| OTR    | Off-the-Record Messaging                   |
| P2P    | Peer-to-Peer (network architecture)        |
| PGP    | Pretty Good Privacy                        |
| PSYC   | Protocol for SYnchronous Conferencing      |
| QML    | Qt Modeling Language                       |
| SHA    | Secure Hash Algorithm                      |
| SMTP   | Simple Mail Transfer Protocol              |
| TCP    | Transmission Control Protocol              |
| UDP    | User Datagram Protocol                     |
| UI     | User Interface                             |
| URI    | Uniform Resource Identifier                |
| XML    | Extensible Markup Language                 |
| XMPP   | Extensible Messaging and Presence Protocol |