TrueConf
Mattermost
Primary purpose
Video conferencing, team chat and enterprise communication
Team chat and collaboration
Deployment type
On-premise server deployed in a company's private network or cloud deployment
On-premise or cloud deployment
Data autonomy and protection
Team messaging
Address book
Unlimited file transfers
Plan-dependent
Message read status
Message search
Message forwarding
Message formatting
Saved messages (Favorites)
Configuring group chat message visibility for new participants
List of users who have read a message in the group chat
Avatar editing
Moderator permissions
Support for video calls from chat
Via plugins
Support for hybrid scenarios
4K UltraHD video support
Max group video conference size
Up to 1,500 participants
Up to 15 participants
Support for video conference cascading
Guest user support
Virtual background
Limited via integration
Support for streaming audio along with shared content or as a separate audio stream
Support for importing PDF and presentation slides (PPT, PPTX, ODP)
Remote desktop control
Drawing and annotations
Via plugins
Meeting scheduling
Via plugins
Waiting room
Conference recording
Via bots or integrations
Recording of chat messages, files, and slides
Recording storage
Local or network drive
External only
Real-time interpretation
Automatic conference transcription
Conference access protection with PIN code
Source code
Proprietary
Open source
Security
12 protection levels, including data encryption, 2FA and LDAP
Data encryption, SAML, LDAP, 2FA, and key management
Internet requirement
Not required
Not required for on-premises installation
Scalability
Up to 10,000 users per server
Up to 1,000 of users, clustering supported
Authentication
AD/LDAP, OAuth 2.0, 2FA,MFA and SSO
AD/LDAP, SAML, OAuth 2.0, 2FA and MFA
Ease of network administration
Cross-device synchronization
Client applications
Windows, macOS, Linux, Android, iOS, Web
Windows, macOS, Linux, Android, iOS, Web
Integrations
Microsoft® Exchange, Microsoft® Outlook, LDAP, SIP/H.323, PBX, VoIP, and RTSP
Slack-compatible bots, Jira, GitLab and DevOps tools
APIs and SDKs
Extensive SDKs for desktop, mobile, web
Open APIs and webhooks
4K Online Meetings
Make video calls and host conferences in 4K UltraHD resolution, with no time limits on your conversations!
Corporate Messenger
Exchange messages during conferences and beyond! Respond to colleagues' requests in private and group chats, seamlessly turning discussions into video meetings.
Team Collaboration
Use a wide range of collaboration tools: screen sharing, presentations, and video files, as well as remote desktop control, reactions, and annotations over content.
Communicate in noisy environments, change your background, and transcript important meeting details — all enabled by artificial intelligence.
Smart Noise Suppression
Blurring and Replacing the Background
Transcription of the Meetings
Group and private chats
Managing chat moderators and transferring owner rights
Edit, reply & forward messages
Text formatting: bold, underline, strikethrough, and italics
Participants mentions
Focus on important messages
“Typing” status
Information about reading the message
Fast File Sharing
Share and instantly preview files within TrueConf client applications.
File and Media Viewing
View received images, video files, and PDF documents within TrueConf desktop clients.
Address Book
Use the intuitive address book and department navigation to contact any company employee and see colleagues' availability status.
Synchronization Across All Devices
Take calls and join conferences from any device while maintaining communication continuity — your chat history syncs automatically.
Unified Entry Point
Integration with Active Directory enables centralized management of user accounts and restricts access rights to corporate information.
Two-Factor Authentication
Connect third-party identity providers, including AD FS, to establish trust zones with varying security levels and required authorization methods.
TrueConf Server is deployed on your company’s hardware, ensuring the protection of personal data from third parties. The server operates within your closed corporate network autonomously, remaining fully under your control.
TrueConf is an internationally recognized developer, consistently highlighted in reports by leading industry analysts, including Gartner, IDC, and Frost & Sullivan.
While Mattermost offers a fairly extensive set of features for technical teams, it doesn't address every use case equally well. It's important to highlight several key limitations that may prove critical for many organizations:
• Constrained usage framework
Mattermost’s basic foundation remains openly accessible, yet numerous enhanced features — including regulatory audits, detailed access controls, and high-level system integrations — are exclusively offered through paid plans.
• Insufficient options for partner interaction
Mattermost was initially created to streamline internal group coordination. Reaching out to outside participants — including customers, vendors, or affiliates — frequently involves extra setup or reliance on external communication platforms.
• Difficulties in expansion and system capacity
Expanding Mattermost across extensive, geographically dispersed teams may involve considerable effort and potentially lead to increased financial burdens. As the software is often hosted internally on private servers, companies must independently oversee system architecture, conduct maintenance routines, and fine-tune overall platform efficiency.
These circumstances could lead companies to consider different options that provide easier installation, improved built-in capabilities for partner interaction, or a clearer and more predictable cost model.
The vast majority of teams exploring alternatives to Mattermost prioritize ease of use, integration flexibility, and deployment options. Below are 10 well-regarded platforms, each offering unique advantages:
• TrueConf
An enterprise-grade solution for secure conferencing and group communication, widely adopted by sectors requiring regulatory compliance. TrueConf delivers UltraHD video meetings, collaborative tools, AI-based features, and full compatibility with corporate systems like SIP, H.323, and LDAP directories.
• Slack
This solution is one of the market leaders in team communication. Slack provides a modern and intuitive interface, deep integration with third-party services (such as Google Drive, GitHub, and Salesforce), and convenient support for asynchronous communication through threads and channels. It’s an excellent fit for distributed teams looking for a polished, cloud-based experience.
• Microsoft Teams
A digital workspace tool deeply embedded within Microsoft’s 365 ecosystem. Microsoft Teams enables chat-based collaboration, instant document co-editing, and virtual conferencing using familiar productivity apps such as Excel, PowerPoint, and Outlook — offering a cohesive environment for streamlined team efforts.
• Rocket.Chat
An adaptable communication platform built with open-source technology, suitable for organizations seeking complete autonomy. Rocket.Chat operates on self-hosted infrastructure and supports extensive personalization through modules and API integration, making it ideal for tailored enterprise workflows.
• Webex Suite
A comprehensive enterprise platform developed by Cisco, prioritizing secure digital interaction. Webex Suite merges encrypted video sessions, internal chat functionality, audio communication, and robust co-working features, ensuring smooth collaboration across teams and external stakeholders.
• Flock
A compact, user-friendly platform designed for internal communication, providing messaging, collaborative notes, task tracking, and simple alerts. Flock stands out among small teams and startups seeking intuitive functionality without compromising essential teamwork capabilities.
• Zulip
Recognized for its innovative message-threading approach, Zulip blends instant messaging with a structured layout similar to email. This format improves message clarity and oversight, making it especially effective for engineering teams and open-source project groups.
• Google Workspace
Previously branded as G Suite, this unified productivity environment features tools, including Gmail, Meet, Docs, Sheets, and Chat. Tight tool integration supports smooth transitions between functions, ideal for organizations committed to cloud-based operations within Google’s ecosystem.
• Element (Matrix)
An open, decentralized messaging solution secured by end-to-end encryption and built on the Matrix standard. Element supports both hosted and self-managed deployments, offering flexibility for institutions emphasizing data ownership, interoperability, and privacy-conscious communication.
• Zoom Workplace
Well-regarded for high-quality virtual meetings, Zoom has evolved to include collaborative chat, whiteboard utilities, and app integrations. It’s a dependable option for teams that value face-to-face digital engagement supplemented by text-based interaction tools.
TrueConf emerges as a leading solution for businesses needing protected, on-premise video interaction and collaborative tools. It is purpose-built to serve high-stakes operational environments where maintaining data confidentiality and infrastructure autonomy is essential.
Selecting the most suitable alternative relies on a team’s operational setup, workflow demands, and technological limitations. When comparing potential platforms, it’s essential to assess the following aspects:
Deployment strategy
Would your team benefit more from a cloud-hosted SaaS application for rapid onboarding, or a self-managed system that provides full autonomy and infrastructure control?
Data security and governance
Evaluate if the platform aligns with regulatory expectations in your industry, offering robust encryption, user access controls, and audit readiness.
Interaction format
Does the team thrive through synchronous conversations, structured topic threads, or a hybrid approach incorporating both messaging and video conferencing?
Budget and licensing terms
Take into account the complete financial impact, whether the provider offers free plans, supports open-source deployment, or imposes rigid enterprise licensing.
Collaboration dynamics
For globally dispersed teams, asynchronous workflows (like those supported in Zulip or ClickUp) may prove more effective than constant live chat.
Matching your operational needs with the core capabilities of each solution will help ensure your team adopts a communication platform that grows with them and drives efficiency.