Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad




Zoiper is described as 'IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure' and is an app in the social & communications category. There are more than 25 alternatives to Zoiper for a variety of platforms, including Android, Windows, iPhone, Mac and iPad apps. The best Zoiper alternative is Jami, which is both free and Open Source. Other great apps like Zoiper are Jitsi Desktop, Wire, Zulip and Linphone.
Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement




Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .




No Windows version as said


Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.




no SIP with is the base for VOIP
Zoiper allows you to call a regular phone number using a standard VoIP service (SIP or IAX) - the other person doesn't have to use Zoiper.
Main funcionality from Zoiper: SIP. It's not supported by Wire

Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.




Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.




Linphone is quite half-baked if you do not use their full system.


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 services and do all your chatting within one application.



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.




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 protocol. From cloud of SIP providers you can choose best for you, register account and use it with MicroSIP. You'.




Small and works. Call record option to mp3/ wav. Only one sip line can be active when multi are configured.
Open source, light, simple and powerfull.
Stable and free alternative to the non comercial version of Zoiper


3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box.
Offers a free trial period, after with you need to upgrade to paid subscription.







PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP). You need an internet connection and an account from a provider supporting the SIP protocol.




On-Meet is a free video conferencing platform that allows you to share your knowledge with your friends, colleagues and family.




Sound quality, open source, multiplatform, multi channels, and a long list of features