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Asterisk

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  Analyzed 18 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]

834K lines of code

68 current contributors

18 days since last commit

170 users on Open Hub

Very High Activity
4.375
   
0 Reviews
I Use This
Mostly written in C
Licenses: GPL-2.0+
Tags asterisk c conferencing googletalk h323 iax iax2 isdn ivr jabber jingle mgcp 12 more...

Empathy

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  Analyzed about 1 month 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]

90.9K lines of code

42 current contributors

3 months since last commit

105 users on Open Hub

Activity Not Available
3.75758
   
0 Reviews
I Use This
Mostly written in C
Licenses: GPL-2.0+
Tags aim chat client gnome google_talk icq im instant_messaging linux messaging messenger msn 6 more...

Ekiga

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  Analyzed about 1 month 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

8 current contributors

4 months since last commit

63 users on Open Hub

Activity Not Available
3.7619
   
0 Reviews
I Use This
Mostly written in C++
Licenses: GPL-2.0+
Tags client conferencing instant_messenger sip softphone video voip

Zimbra Collaboration Suite

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  Analyzed about 1 month ago

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

2.26M lines of code

41 current contributors

3 months since last commit

53 users on Open Hub

Activity Not Available
3.57143
   
2 Reviews
I Use This
Mostly written in Java
Licenses: YPL-1.1
Tags ajax ajaz antispam anti_virus calendar calendaring contacts documents email enterprise messaging office 11 more...

FreeSWITCH

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  Analyzed 2 days 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]

2.38M lines of code

75 current contributors

3 days since last commit

52 users on Open Hub

Very High Activity
4.86667
   
0 Reviews
I Use This
Mostly written in C
Licenses: No declared licenses
Tags c codecs communication conferencing freeswitch googletalk isdn ivr javascript jingle lua media 20 more...

Mumble

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  Analyzed 30 days ago

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

725K lines of code

23 current contributors

4 months since last commit

48 users on Open Hub

High Activity
4.92308
   
0 Reviews
I Use This
Mostly written in C
Licenses: BSD-3-Clause
Tags audio celt communication gamingtool mumble opus overlay qt speex talk voicechat voip

Jitsi

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Claimed by Atlassian Analyzed 30 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]

362K lines of code

12 current contributors

4 months since last commit

28 users on Open Hub

Moderate Activity
4.41667
   
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...

aMSN

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  Analyzed 5 months 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.

302K lines of code

0 current contributors

over 3 years since last commit

25 users on Open Hub

Activity Not Available
4.14286
   
0 Reviews
I Use This
Mostly written in Tcl
Licenses: GPL-2.0+
Tags apple application chat communication download downloads im linux mac messenger microsoft msn 9 more...

BigBlueButton

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  Analyzed 26 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]

297K lines of code

30 current contributors

about 1 month since last commit

23 users on Open Hub

Very High Activity
4.7
   
0 Reviews
I Use This
Mostly written in Java
Licenses: LGPL
Tags activemq asterisk audio bigbluebutton chat chatting collaboration communication conference desktop-sharing distanceeducation education 29 more...

FreePBX

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  Analyzed 20 days ago

FreePBX is a full-featured PBX web application. If you've looked into Asterisk, you know that it doesn't come with any "built in" programming. You can't plug a phone into it and make it work without editing configuration files, writing dialplans, and various messing about. FreePBX simplifies this ... [More] by giving you pre-programmed functionality accessible by a user-friendly web interfaces that allows you to have a fully functional PBX pretty much straight away with no programming required. Some of the features include voicemail, IVR menus, conferencing, paging, ring groups, call routing, queues, and many more. [Less]

678K lines of code

75 current contributors

20 days since last commit

19 users on Open Hub

Very High Activity
4.66667
   
2 Reviews
I Use This
Mostly written in PHP
Licenses: AGPL 3.0+, GPL-3.0+
Tags asterisk communication gui pbx php telephony voip