Alternatives to Zoiper for all platforms with any license

Jitsi

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM...

Free Open Source Mac OS X Windows Linux Web Android ... BSD
End-to-end encryption Group chat iPhone/iPod sync Multiple protocols ... Multiple Account support OTR Video calling WebRTC Add a feature

275 Like
- Sound quality, open source, multiplatform, multi channels, and a long list of features damodaranudas • Mar 2017 • 2 agrees and 0 disagrees
Wire

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages...

Free Personal $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad
End-to-end encryption Security focused Encrypted calls Encrypted chat ... Group chat Integrated File Sharing Photo Sharing Privacy focused Privacy Protected Share your screen Video calling Voice Call WebRTC Add a feature

169 Like
- Wire does not do SIP. Zoiper is a SIP softphone Guest • Jun 2017 • 3 agrees and 0 disagrees
- They're completely different things. Zoiper does SIP and IAX. Wire is a proprietary setup. Guest • Mar 2018 • 2 agrees and 0 disagrees
- Wire doesn't do SIP which is what Zoiper does. Guest • Apr 2018
- Main funcionality from Zoiper: SIP. It's not supported by Wire Guest • Jun 2018
Ring

Ring is a secure and distributed voice, video and chat communication platform that requires no centralized server and leaves the power of privacy in the hands of the...

Free Open Source Mac Windows Linux Android
Decentralized Distributed End-to-end encryption Peer-To-Peer ... Share your screen Video calling Add a feature

93 Like
Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant...

Free Open Source Mac OS X Windows Linux Web Windows Mobile ... Android iPhone Android Tablet Windows Phone iPad Xfce
Encrypted VoIP calls Video calling Add a feature

102 Like
appear.in

Video conversations with up to 8 people in your browser - no downloads, no login. Just name your channel and you are on. Works in all modern browsers, even mobile.

Freemium Windows Web Android iPhone Chrome OS ... Android Tablet iPad
Anonymity Anonymous email Group chat No installation ... No registration required Stickers WebRTC Add a feature

64 Like
Zulip

Zulip is a group chat app. Its most distinctive characteristic is that messages are threaded by topic, helping you have long-running, organized conversations....

Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet BSD Self-Hosted
Threaded Conversations Group collaboration Chat Bot Community based ... GitHub integration Group chat Integrated File Sharing MarkDown support Team Collaboration Add a feature

117 Like
Empathy

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those...

Free Open Source Linux BSD
Built-in File transfer Multiple protocols Video calling Add a feature

154 Like
- Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Ekiga

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...

Free Open Source Windows Linux PortableApps.com
No login Portable Video calling Add a feature

65 Like
YakYak

What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * ...

Free Open Source Mac Windows Linux Hangouts
Portable Add a feature

17 Like
CSipSimple

csipsimple will allow native sip for android device. It relies on the pjsip SIP stack and use the pjsip-jni project. The use of this native library will ensure a...

Free Open Source Android
No features added Add a feature

34 Like
- Discontinued Possibly discontinued. App hasn't been updated since November 30, 2014.
Nimbuzz

Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other Nimbuzz users are free. PAY to...

Freemium Mac OS X Windows Web Android iPhone ... Java Mobile S60 HP webOS Blackberry Android Tablet Windows Phone iPad Chrome Kindle Fire
Voice Call Add a feature

117 Like
MicroSIP

MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP...

Free Open Source Windows PortableApps.com
No features added Add a feature

16 Like
X-Lite

Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone...

Commercial Mac OS X Windows
Video calling Voice Call Add a feature

19 Like
Dasher Messenger

Dasher lets you do more than just text message. It's messaging with benefits: · Connect with friends worldwide for free · Start a group chat ·...

Free Web Android iPhone
Group chat Youtube integration Add a feature

12 Like
3CX Phone System

3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy. Connect...

Freemium Windows Android iPhone
No features added Add a feature

8 Like