Editor's pick | update
A free Internet telephony that just works!
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Freeware
Good (3.6/5)
94,118
Internet Phone
November 15th, 2012 GMT |
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update
An open source SoftPhone for Linux
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GPL
Good (3.5/5)
16,198
Internet Phone
February 21st, 07:31 GMT |
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update
Free VoIP SoftPhone
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GPL
Good (3.4/5)
11,324
Internet Phone
October 20th, 2010 GMT |
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update
Linphone is a Web phone with a GNOME interface.
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GPL
Good (3.8/5)
11,246
Internet Phone
December 26th, 2011 GMT |
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update
SIP Express Router is a very fast and flexible SIP (RFC3261) server.
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GPL
Good (3.6/5)
8,763
Internet Phone
January 12th, 2006 GMT |
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update
A soft phone for your voice over IP communcations using the SIP protocol.
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GPL
Good (3.5/5)
8,461
Internet Phone
February 26th, 2009 GMT |
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update
A high performance WAP and SMS gateway.
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BSD License
Good (3.3/5)
7,838
Internet Phone
January 14th, 2009 GMT |
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update
SJphone is a VOIP softphone that allows you to speak with any other softphone, any stand-alone IP-phone.
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Freeware
Fair (2.8/5)
7,642
Internet Phone
May 24th, 2006 GMT |
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update
Gizmo is an Internet telephony application, designed to look like the popular iChat instant messaging a...
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Freeware
Good (3.2/5)
4,040
Internet Phone
December 1st, 2007 GMT |
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update
An Enterprise SIP PBX
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LGPL
Good (3.5/5)
3,542
Internet Phone
January 18th, 2010 GMT |
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update
An IAX client application
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GPL
Fair (2.8/5)
3,467
Internet Phone
January 29th, 2009 GMT |
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update
Cornfed SIP User Agent is a SIP Softphone.
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Free for non-commerc...
Fair (2.2/5)
3,228
Internet Phone
November 15th, 2008 GMT |
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NEW
Bulk SMS Script is a Python script that can be used to send bulk SMS Messages via the Clickatell.
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GPL
NOT RATED
2,801
Internet Phone
August 20th, 2008 GMT |
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NEW
A VoIP Exploit Research toolkit
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GPL
NOT RATED
2,784
Internet Phone
October 8th, 2008 GMT |
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NEW
OpenH323 is a project that provides fully featured, interoperable, Open Source implementation of the IT...
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MPL
Good (3.1/5)
2,728
Internet Phone
October 2nd, 2007 GMT |
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NEW
IaxComm is an Open Source softphone (VOIP) using iax protocol.
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GPL
Fair (2.4/5)
2,601
Internet Phone
June 22nd, 2006 GMT |
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update
PJSIP and PJMEDIA is the Open Source, high performance, small footprint SIP and media stack written in ...
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GPL
Fair (2.5/5)
2,398
Internet Phone
January 20th, 2009 GMT |
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NEW
Asterisk Soap API is an extensible SOAP (Web services) API with the goal to create and support all Aste...
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GPL
Good (3.2/5)
2,348
Internet Phone
July 5th, 2007 GMT |
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update
Antidialer is a GUI based broadband dialer program for users of Sify Broadband using Linux.
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GPL
Good (3.4/5)
2,239
Internet Phone
August 10th, 2006 GMT |
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update
sipsak is a command line tool for performing various tests on Session Initiation Protocol (SIP) applica...
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GPL
Good (3.1/5)
1,982
Internet Phone
January 29th, 2006 GMT |
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update
Sipcat VoIP PBX is a software IP telephony system.
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Other/Proprietary Li...
Good (3.0/5)
1,847
Internet Phone
February 19th, 2008 GMT |
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NEW
Zfone uses a new protocol called ZRTP, which is better than the other approaches to secure VoIP.
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Freely Distributable
Good (3.3/5)
1,838
Internet Phone
May 24th, 2006 GMT |
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update
The GNU Gatekeeper GUI visualizes all registrations and VoIP calls the gatekeeper is managing.
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GPL
Excellent (5.0/5)
1,811
Internet Phone
April 23rd, 2012 GMT |
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update
Java SIP Servlet.
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GPL
Good (3.3/5)
1,807
Internet Phone
February 1st, 2009 GMT |
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NEW
SMSSender is an application for sending SMS messages.
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GPL
NOT RATED
1,753
Internet Phone
August 23rd, 2005 GMT |
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update
A multiplatform IAX soft phone
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Freeware
Good (3.7/5)
1,729
Internet Phone
August 20th, 2011 GMT |
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NEW
Stunner is an RFC 3489 STUN server and client for Unix and Unix-line operating systems.
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GPL
Fair (2.7/5)
1,525
Internet Phone
September 18th, 2006 GMT |
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NEW
SIP UMS is an Unified Messaging Server for the SEMS/IVR.
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GPL
Fair (2.1/5)
1,514
Internet Phone
February 9th, 2008 GMT |
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update
A web-based application for viewing, rating, and billing Asterisk VoIP calls.
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GPL
Good (3.0/5)
1,514
Internet Phone
June 17th, 2011 GMT |
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update
A software framework for creating VoIP applications
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Shareware
Good (3.0/5)
1,485
Internet Phone
April 7th, 2011 GMT |
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