OpenSS7
SS7/SIGTRAN/IDSN/VoIP STREAMS Comunications Protocols.
OpenSSH
Free version of the SSH suite of network connectivity tools. OpenSSL
Open Source toolkit implementing the Secure Sockets Layer. opensurveypilot
Webbased system for generating complete online surveys. Open SUSE
Open SUSE project linux distribution. OpenTNEF
Microsoft TNEF file decoder.
OpenTTD
Clone of the Microprose game. OpenVerse Visual Chat
Visual chat program written in Tcl/Tk. OpenVPN
Virtual private network package.
Open WebMail
Webmail system based on Neomail. Open-Xchange
Offers reliable and scalable messaging and advanced collaboration solutions. OptimalGrid
Research prototype of grid-enabled middleware. ORBIT2
CORBA 2.4-compliant Object Request Broker. orbitcpp
Provides a C++ CORBA mapping for ORBit2. Orbit Open Ad Server
Script that can be used to sell and serve ads on any website.
Orca
Extensible screen reader. Oregano
Application for schematic capture and simulation of electrical circuits. oRTP
A Real-time Transport Protocol (RTP) stack. osCommerce
Online shop e-commerce solution. oscope
Digital Oscilloscope via Sound Card and/or ProbeScope/osziFOX. osdsim
Linux Storage Device compliant with T10-OSD. Osmose
Osmose is a presentation tool distributed under the GPL license. OSSEC HIDS
Open Source Host-based Intrusion Detection System. oSync
Opera synchronizer and backup.