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Asterisk

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  Analyzed 4 days ago

Asterisk is a complete PBX and telephony toolkit in software. It runs on Linux, *BSD, MacOSX, and Solaris. It provides all of the features you would expect from a PBX and more as it enables developers to build customized voice applications of many types. Asterisk does voice over IP in many ... [More] protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware. [Less]

2.42M lines of code

59 current contributors

25 days since last commit

172 users on Open Hub

High Activity
4.38775
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags asterisk c conferencing googletalk h323 iax iax2 isdn ivr jabber jingle mgcp 12 more...

Empathy

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  Analyzed over 3 years ago

Empathy consists of a rich set of reusable instant messaging widgets, and a GNOME client using those widgets. It uses Telepathy and Nokia's Mission Control, and reuses Gossip's UI. The main goal is to permit desktop integration by providing libempathy and libempathy-gtk libraries. libempathy-gtk is ... [More] a set of powerful widgets that can be embeded into any GNOME application. [Less]

181K lines of code

12 current contributors

over 3 years since last commit

100 users on Open Hub

Activity Not Available
3.75758
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags aim chat client gnome google_talk icq im instant_messaging linux messaging messenger msn 6 more...

FreeSWITCH

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  Analyzed 1 day ago

FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media. It was created in 2006 to fill the void left by proprietary commercial solutions. FreeSWITCH also provides a ... [More] stable telephony platform on which many applications can be developed using a wide range of free tools. [Less]

1.54M lines of code

44 current contributors

4 days since last commit

59 users on Open Hub

Moderate Activity
4.875
   
0 Reviews
I Use This
Mostly written in C
Licenses: AFL1-1, apache_ish, Apache_Li...
Tags c codecs communication conferencing freeswitch googletalk isdn ivr javascript jingle lua media 20 more...

Ekiga

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  Analyzed 8 days ago

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP compliant software and also with Microsoft NetMeeting.

74.2K lines of code

1 current contributors

almost 3 years since last commit

59 users on Open Hub

Inactive
3.7619
   
0 Reviews
I Use This
Mostly written in C++
Licenses: gpl
Tags client conferencing instant_messenger sip softphone video voip

Zimbra Collaboration Suite

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  Analyzed over 1 year ago

Zimbra Collaboration Suite (ZCS) is a collaborative software suite, that includes an email server and web client.

2.23M lines of code

8 current contributors

over 1 year since last commit

53 users on Open Hub

Activity Not Available
3.57143
   
2 Reviews
I Use This
Mostly written in Java
Licenses: ypl
Tags ajax ajaz antispam anti_virus calendar calendaring contacts documents email enterprise messaging office 11 more...

Mumble

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  Analyzed 29 days ago

Mumble is a low-latency, high quality voice chat software primarily intended for use while gaming.

693K lines of code

37 current contributors

about 1 month since last commit

49 users on Open Hub

High Activity
4.91667
   
0 Reviews
I Use This
Mostly written in TypeScript
Licenses: BSD-3-Clause
Tags audio celt communication gamingtool mumble opus overlay qt speex talk voicechat voip

Jitsi Desktop

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Claimed by Atlassian Analyzed 3 days ago

Jitsi (previously SIP Communicator) is a cross-platform VOIP, videoconference, desktop sharing and chat client. Protocols supported include SIP, XMPP/Google Talk/Jabber/Facebook chat, AIM/ICQ, Windows Live, Yahoo! Messenger and Bonjour. Other features include: Call recording, Call & chat ... [More] encryption, Noise suppression, Echo cancellation, File transfer, multi-user chat, Desktop streaming, Presence, Conference calls, Integration with Microsoft Outlook and Apple Address Book, Support for LDAP directories, Support for Google Contacts, On-line provisioning, Systray notifications, IPv6 support, Spell checker and many more. [Less]

316K lines of code

9 current contributors

about 1 month since last commit

28 users on Open Hub

Low Activity
4.46154
   
0 Reviews
I Use This
Mostly written in Java
Licenses: lgpl
Tags aim aol_instant_messenger bonjour callrecording chat chatting client communication conference desktop-sharing encryption facebookchat 27 more...

BigBlueButton

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  Analyzed 3 days ago

BigBlueButton is an open source web conferencing system for distance education. BigBlueButton supports sharing of slides (PDF and PPT), video, whiteboard, chat, voice (using Freeswitch or Asterisk), and desktops. It's built using over fifteen open source components, runs on Mac, Unix, and PC ... [More] computers, and is backed by an open source community that cares about good design and a streamlined user experience. Features Webcam, Presentation, Integrated VoIP, Desktop Sharing Demo: http://demo.bigbluebutton.org/ [Less]

183K lines of code

35 current contributors

5 days since last commit

27 users on Open Hub

Very High Activity
4.75
   
1 Review
I Use This
Mostly written in JavaScript
Licenses: lgpl
Tags activemq asterisk audio bigbluebutton chat chatting collaboration communication conference desktop-sharing distanceeducation education 29 more...

Kamailio (SIP Express Router)

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  Analyzed about 3 hours ago

Kamailio is an open source SIP server application formerly named OpenSER. Starting with v3.0.0 it has merged its ancestor project, respectively SIP Express Router (SER). The project is managed by its community, released under GPLv2, and focusing to build a flexible and rock solid SIP server. ... [More] Among features: full RFC3261 implementation, support for IPv4, IPv6, UDP, TCP, TLS, SCTP, DNS SRV and NAPTR, Websockets for WebRTC, least cost routing, load balancing, AAA and prepaid billing, presence server, RCS/RCSe, embedded XACP server and MSRP relay, RADIUS, XMLRPC control interface, IMS extensions, MySQL, Postgres and many other DB backends, embedded interpreters for Lua, Perl, Python, C# and other languages, IMS extensions. [Less]

1.07M lines of code

73 current contributors

3 days since last commit

26 users on Open Hub

Very High Activity
5.0
 
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags c carrier chat cluster communication ims kamailio linux messaging openser presence rcs 12 more...

aMSN

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  Analyzed over 3 years ago

aMSN is a Tcl/Tk client for MSN Messenger. Its features include multi-language support, smileys, logging, multi-profiles support, email notification, customizable sounds, group management, file transfers with NAT support, and proxy support. It is a Windows Live Messenger look alike with extra features.

0 lines of code

0 current contributors

0 since last commit

25 users on Open Hub

Activity Not Available
4.14286
   
0 Reviews
I Use This
Mostly written in language not available
Licenses: gpl
Tags apple application chat communication download downloads im linux mac messenger microsoft msn 9 more...