Rocket.Chat provides real-time messaging, voice, video, AI, and related collaboration tools for organizations.
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24 alternativesLinphone
Linphone offers real-time communication software for VoIP, video calls, and instant messaging.
About Linphone
Linphone is a communication software suite developed in France since 2001. Its softphone handles voice over IP (VoIP) calls, video calls and instant messaging. The homepage lists Android, iOS and web as platforms, but describes the web version as upcoming. Users can use the Linphone app and service free of charge, according to the homepage.
For businesses, developers and network administrators, the suite includes the Liblinphone SDK for building calling features into applications, the Flexisip SIP server suite, and white-label options. Rebranding, server installation, annual maintenance contracts and custom development are offered as services, with custom work priced by quote. The homepage describes the communications as secure, but the source does not explain the encryption or security measures involved.
Key features
- Softphone for VoIP calls, video calls and instant messaging
- Softphone compatible with third-party VoIP platforms
- Liblinphone SDK for adding calling features to applications
- Flexisip SIP server suite for deploying a SIP network
- White-label softphone under open source or proprietary licence
- Rebranding, server installation and custom development services
Best for: Organizations, developers and network administrators who need VoIP, video or messaging software for their own products or infrastructure, and individual users who want a free calling app.
Good for
- Users can use the app and service free of charge, according to the homepage.
- Covers a softphone, an SDK and a SIP server within one modular suite.
- Offers white-label and licensing options for custom products.
Watch out for
- The homepage describes the web version as upcoming, not currently available.
- Service prices are not published; custom development requires a quote.
- The source gives no detail on encryption or security measures behind the secure-communication description.
Linphone at a glance
- Website
- linphone.org
- Category
- Privacy & Security › Encrypted Messaging
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, iOS, Web
- Open source
- Not stated
- Language
- French
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Linphone FAQ
Is Linphone free to use?
The homepage says users can use the Linphone application and service free of charge. Enterprise services such as rebranding, server setup and maintenance are offered separately, with custom quotes.
Does Linphone offer help or a user community?
The homepage says users have access to an FAQ and a community space.
Can the Linphone softphone work with other VoIP platforms?
The homepage describes the softphone as compatible with third-party VoIP platforms.
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