BreakPoint Software
112
Shareware
SIP Workbench is a graphical protocol analyzer and viewer.
3CX Ltd
30
Freeware
It can simplify Firewall configuration at both the remote and the PBX location.
1
Interactive Intelligence
5
Freeware
SIP Proxy - survivable remote site telephony (SRST) during disaster recovery.
12
Net2Phone Inc.
770
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
Konnetic
9
Shareware
Konnetic's Unity SIP .NET SDK povides a fully RFC3261 compliant class library.
Microsoft Corporation
8
Freeware
It can be used for creating server-side Session Initiation Protocol (SIP) apps.
Richard GAYRAUD, Olivier JACQUES
253
Open source
Sipp is a performance testing tool for the SIP protocol.
5
Innovative Systems of Communication LLC
32
Freeware
Flaphone™ is a SIP (Session Initiation Protocol) compatible web softphone...
53
ProfInfoTech
4
Shareware
New generation phone system working in IP-networks using SIP protocol.
3
iaxtalk.com
33
Freeware
sipLite softphone is a free softphone which works with SIP protocol.
Yasin KAPLAN
5
Shareware
TekFax is a SIP (Session Initiation Protocol) fax receiver server.
4
Visual Paradigm International Ltd.
22
Freeware
VP-UML Community Edition (VP-UML CE) is a free UML drawing tool.
2
Pavel Hruby
Freeware
The UML stencil for Visio supports complete UML, SoaML and other UML profiles.
77
Metamill Software
63
Shareware
UML modeling tool with UML 2.4 support and round-trip Python, ADA, Java, C/C++...
3
Gentleware AG
4
Shareware
Poseidon for UML is a great UML tool with a complete set of diagrams.
