Linphone offers real-time communication software for VoIP, video calls, and instant messaging.
Rocket.Chat
Rocket.Chat provides real-time messaging, voice, video, AI, and related collaboration tools for organizations.
About Rocket.Chat
Rocket.Chat is a web-based communication platform described as a Secure CommsOS for mission-critical operations. It centralizes real-time messaging, voice, video, AI tools, and apps for communication among internal and external stakeholders.
Users can send messages, make voice and video calls, share screens, and collaborate across organizations through federated communications. Organizations can choose on-premises, air-gapped, or secure cloud deployment and decide where and how data is stored. The platform lists encrypted conversations, access and identity controls, data retention policies, audit logs, and support for custom or pre-built apps. It also notes conformance to WCAG 2.1 Level AA and use in classified networks.
It suits defense, intelligence, government agencies, and critical infrastructure operators, as well as other organizations that need control over data storage and communication within a defined perimeter.
Key features
- Real-time messaging for internal and external stakeholders
- Voice, video calls and screen sharing in one place
- On-premises, air-gapped and secure cloud deployment options
- Encrypted conversations with audit logs and retention policies
- Federated communication across agencies and partner organizations
- Pre-built and custom apps to extend workflows
Best for: Organizations in defense, government, and critical infrastructure that need controlled communication.
Good for
- Deployment choice including self-hosted and air-gapped
- Combines messaging, voice, video and apps centrally
- Access controls, retention policies and audit logs listed
- WCAG 2.1 Level AA conformance stated
Rocket.Chat at a glance
- Website
- rocket.chat
- Category
- Privacy & Security › Encrypted Messaging
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Rocket.Chat alternatives
Tools and sites you could use instead, ranked by how closely they match.
Delta Chat offers decentralized messaging with multi-profile and multi-device support, plus links to chatmail relays.
Conduit provides a Matrix-powered chat server, described by its project as simple, fast, and reliable.
Signal offers private messaging, with its site introducing a communication experience centered on privacy.
FreePick
24 alternatives
Use qTox, a free instant messaging application without advertising, to connect with friends and family.
Free
24 alternativesThis page compares instant messaging services and discusses how their approaches to user privacy differ.
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Rocket.Chat FAQ
What is Rocket.Chat used for?
It is used to centralize messaging, voice, video, AI tools, and apps for internal and external stakeholders.
Can Rocket.Chat be self-hosted or air-gapped?
Yes, the site lists self-hosted, air-gapped, and secure cloud deployment options.
Does Rocket.Chat support voice and video?
Yes, it lists voice calls, video calls, and screen sharing alongside messaging.
Who uses Rocket.Chat?
It is presented for defense, intelligence, government agencies, and critical infrastructure organizations.
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