| Spreed | Organisiert Online Konferenzen, Meetings und Trainings mit mehreren Teilnehmern über den Webbrowser. |
| Jabber | Open, ad-free consumer Instant Messaging Service |
| Go to meeting | Webconference service which allows webconferences with sharing of the actual screencontents. |
| Stunnel | Free program to encrypt arbitrary TCP connections inside SSL (Secure Sockets Layer) available on both Unix and Windows |
| Pidgin | Multi-protocol Instant Messaging client that allows using of many IM accounts |
| lighttpd | High performance open source webserver |
| Wengo meeting | Service to set up free live audio and video conferences |
| MeBeam | Service to set up free live audio and video conferences |
| RSS Owl | News feed reader |