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Mattermost Alternative — TrueConf?

TrueConf Server is a secure alternative to Mattermost.

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Mattermost Alternative: What Does TrueConf Server Offer?

TrueConf and Mattermost

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

Yes
No

Team messaging

Yes
No

Address book

Yes
No

Unlimited file transfers

Yes

Plan-dependent

Message read status

Yes
No

Message search

Yes
Yes

Message forwarding

Yes
Yes

Message formatting

Yes
Yes

Saved messages (Favorites)

Yes
Yes

Configuring group chat message visibility for new participants

Yes
No

List of users who have read a message in the group chat

Yes
No

Avatar editing

Yes
No

Moderator permissions

Yes
No

Support for video calls from chat

Yes

Via plugins

Support for hybrid scenarios

Yes
No

4K UltraHD video support

Yes
No

Max group video conference size

Up to 1,500 participants

Up to 15 participants

Support for video conference cascading

Yes
No

Guest user support

Yes
Yes

Virtual background

Yes

Limited via integration

Support for streaming audio along with shared content or as a separate audio stream

Yes
No

Support for importing PDF and presentation slides (PPT, PPTX, ODP)

Yes
No

Remote desktop control

Yes
No

Drawing and annotations

Yes

Via plugins

Meeting scheduling

Yes

Via plugins

Waiting room

Yes
No

Conference recording

Yes

Via bots or integrations

Recording of chat messages, files, and slides

Yes
No

Recording storage

Local or network drive

External only

Real-time interpretation

Yes
No

Automatic conference transcription

Yes
No

Conference access protection with PIN code

Yes
No

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

Yes
No

Cross-device synchronization

Yes
Yes

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

Unlock more features with TrueConf Server!

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Comparison With Other Vendors

Interface of a video conference with six participants, promoting 4K UltraHD online meetings

4K Online Meetings

Make video calls and host conferences in 4K UltraHD resolution, with no time limits on your conversations!

Corporate messaging app showing group chat with file sharing and quick replies

Corporate Messenger

Exchange messages during conferences and beyond! Respond to colleagues' requests in private and group chats, seamlessly turning discussions into video meetings.

Collaborative workspace with annotation tools used to mark up a shared screen

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.

AI-based Features

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

Communication Without Limits

Messenger interface with a search feature and a “Favorites” chat.

Group and private chats

Chat settings with options to assign moderator or owner roles and manage participants.

Managing chat moderators and transferring owner rights

Message options menu showing reply, forward, copy, delete or highlight actions.

Edit, reply & forward messages

Text formatting menu showing shortcuts.

Text formatting: bold, underline, strikethrough, and italics

Interface showing user mentions with usernames after typing @mention.

Participants mentions

Chat interface with option to mute notifications for focusing on important messages.

Focus on important messages

Chat interface showing “typing” status under contact's name in a messaging app.

“Typing” status

Ability to display participants who have read the message

Information about reading the message

Boundary-Free Corporate Communication

Group chat interface with a sent XLS file

Fast File Sharing

Share and instantly preview files within TrueConf client applications.

Interface showing video playback in a desktop client

File and Media Viewing

View received images, video files, and PDF documents within TrueConf desktop clients.

Address Book

Address Book

Use the intuitive address book and department navigation to contact any company employee and see colleagues' availability status.

Video conference and chat on computer and smartphone, showing cross-device synchronization

Synchronization Across All Devices

Take calls and join conferences from any device while maintaining communication continuity — your chat history syncs automatically.

Communication Security

Unified Entry Point

Unified Entry Point

Integration with Active Directory enables centralized management of user accounts and restricts access rights to corporate information.

Two-Factor Authentication

Two-Factor Authentication

Connect third-party identity providers, including AD FS, to establish trust zones with varying security levels and required authorization methods.

Full Control Over Your Communications

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.

Full Control Over Your Communications

International Recognition

TrueConf is an internationally recognized developer, consistently highlighted in reports by leading industry analysts, including Gartner, IDC, and Frost & Sullivan.

International Recognition

Our Project

Department of Justice and Home Affairs

Department of Justice and Home Affairs

With limited resources and judges short on time, Zurich legal professionals and court officials are embracing video conferencing for all stages of the legal process. With TrueConf, officers are spending less time on inmate security and transport to focus more on their primary job functions, while multiple inmates from multiple locations can be connected without the need for extra holding cells in the courtrooms.

Hindustan Aeronautics Limited

Hindustan Aeronautics Limited

TrueConf Enterprise has powered Hindustan Aeronautics Limited to create a private collaboration cloud that enables more than 30,000 employees to communicate seamlessly from any convenient device. After moving their meeting activities online, HAL managed not only to save time and money on transportation costs but also reduce the risk of delays and cancellations due to travel disruptions.

European Patent and Trademark Attorneys

European Patent and Trademark Attorneys

TrueConf helped Isarpatent to connect multiple company offices and provide online patent consultations with their clients and partners. All communications between patent advisors and clients are encrypted and safely stored on the company’s premises.

Istanbul Airport

Istanbul Airport

The visitors of Istanbul Airport can experience a new level of real-time customer service and get immediate help in a matter of seconds thanks to information video kiosk system powered by TrueConf SDK.

ZTM Bad Kissingen

ZTM Bad Kissingen

The TeleView for Refugees project based on TrueConf video conferencing systems was quickly deployed and did not require large financial contributions or legacy video conferencing endpoint installments. The solution meets the requirements for sensitive medical data processing, storage and transmission.

Koluman Holding

Koluman Holding

Koluman Holding, one of the leading manufacturers in Turkey’s automotive industry, has replaced hardware MCU with TrueConf Server, a software video conferencing system. The solution integrates smoothly with existing SIP/H.323 infrastructure, delivering high quality video collaboration across five branches.

Communicate without limits with TrueConf Server!

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App interface with group chats.

FAQ

Why do organizations look for an alternative to Mattermost?

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.

What are the top alternatives to Mattermost?

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.

Is there a Mattermost alternative that emphasizes video conferencing and self-hosted deployment?

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.

What helps determine the ideal Mattermost alternative for your organization?

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.