Mattermost is an open-source collaboration platform built for cybersecurity and DevSecOps teams. Its capabilities include secure messaging, workflow automation, video calling, and project management.
However, when a team’s expectations didn’t meet with the platform, companies look for Mattermost alternatives. But how you choose the right competitor is the real question.
Most providers report Mattermost’s outdated reviews to grab attention and position themselves as the top instant messaging solution for teams. I believe this approach is biased.
In this guide, I have shared the 5 best Mattermost alternatives, including their features, technology, and how businesses can choose the right solution.
Let’s start.
5 Top Mattermost Alternatives in 2026: TL;DR
The 5 best Mattermost alternatives in 2026 are MirrorFly, Apphitect, TrueConf, Troop Messenger, and Messagenius. These solutions help internal teams communicate and collaborate quickly without any compromise on security.
| Mattermost Alternatives | Best for | Deployment | Starting pricing |
| 1. MirrorFly | B2B, SaaS companies, large enterprises | On-premise and cloud hosting | Custom price |
| 2. Apphitect | SMBs and growing enterprises | Self-hosted chat server, cloud, hybrid | Custom quote on request |
| 3. TrueConf | Startups and small businesses | On-premise | Starts at €45 per user/year |
| 4. Troop Messenger | Retail, healthcare, and finance teams | Cloud, Self-hosted | Starts at $2.50 per user/month |
| 5. Messagenius | Large businesses | On-premise and private cloud | Starts at EUR 10k per year (for 100 users) |
How Can Businesses Find The Right Mattermost Alternatives
I have listed the context of what organizations usually need and its top solution. This comparison showcases how Mattermost differs from its competitors.
| Business Concerns | Top Pick for 2026 |
| Large enterprises want to build a 100% custom self-hosted team communication platform | Choose MirrorFly or Apphitect |
| Teams want to host HD video meetings on office equipment | Choose TrueConf |
| Teams want an easy and simple chat app | Choose Troop Messenger |
| Teams want a ‘self-destructing’ message feature for extra privacy | Choose Messagenius |
5 Best Mattermost Alternatives (Chat Features & Pricing)
In this ecstion, I have included in-depth insights on each solution provider along with its technology and key features. First let’s start with MirrorFly.
1. MirrorFly – On-Premise Team Collaboration Solution
MirrorFly is an enterprise team communication solution that allows creating your white-label chat + meeting apps. Its instant messaging SDK helps teams to customize features or workflows, then deploy apps within days. The key capabilities include private/group chat, voice calling, HD video meeting, file sharing, and more.
MirrorFly is a low-code solution and an alternative to Mattermost. Businesses get complete source code access to personalize any part of the MirrorFly SDK from design to features. Besides, transferring data from the existing platform happens without any downtime.
MirrorFly Technology:
- WebRTC for video streaming and audio calls enables direct peer-to-peer media transfer.
- It uses Ejabberd for real-time messaging that handles millions of concurrent connections with low latency.
- AES-256 encryption for chats secures messages with military-grade encryption.
Unique Features Of MirrorFly:
- SIP & VOIP Calling
- HD Video Meeting
- White-label Voice Chat
- Self-hosted Chat Solution
- Unlimited File Sharing
2. ApphiTect – White-label Team Communication Software
ApphiTect is an instant messaging software that helps organizations build their own team communication platform for Android, iOS, and the web. It provides full freedom to host this solution on their own servers or any preferred cloud environment.
ApphiTect is a Mattermost alternative that offers customization and white-label capabilities. Teams can use their own logo, and it supports real-time messaging, video conferencing, screen sharing, calendar sync, and more collaboration features.
ApphiTect Technology:
- It uses Janus Media Servers for group video calls that manage multi-party video sessions efficiently.
- Redis for in-memory caching delivers instant data retrieval and speeds up session handling.
- RabbitMQ for asynchronous messaging queues tasks efficiently and prevents data loss during a crash.
Unique Features Of Apphitect:
- Private 1-on-1 and group chat
- Multimedia file sharing
- Advanced search & chat history
- AES-256 encryption
- AI Voice Agent Support
3. TrueConf – Messaging & Video Collaboration Software
TrueConf is a video conferencing and messaging platform designed for businesses and governments. Unlike cloud apps, it operates inside your private network. It allows 4K quality calls and supports up to 2k participants in a conference.
TrueConf is an alternative to Mattermost for organizations that need secure messaging and built-in video conferencing. Also, this platform is suited for working offline. It installs directly on the local hardware. All data, user statuses, and video streams stay inside the local network.
TrueConf Technology:
- It supports WebRTC, SIP, H.323, RTSP, and RTMP for browser, VoIP, legacy, and live streaming.
- The platform uses AES-256, SRTP, and H.235 to encrypt meetings and protect audio and video.
- It runs primarily on Windows Server and Linux.
Unique Features Of TrueConf:
- Instant Call Escalation
- No File Limits
- Cross-Device Sync
- AI Chatbot Support
- End-to-End Encryption
4. Troop Messenger – Business Instant Messaging Platform
Troop Messenger is a secure office chat and team collaboration platform. It offers instant messaging, audio and video conferencing, and file sharing, with flexible deployment across the cloud or on-premises.
Troop Messenger allows storage up to 1 TB for teams and connects with Google Drive, Dropbox, Trello, and Zapier to simplify workflows. In short, Troop Messenger is a Mattermost alternative for organizations looking for an easy-to-use communication platform with collaboration features.
Troop Messenger Technology:
- It’s built using Node.js to handle concurrent messages.
- Uses WebSockets to send instant text, audio, and video in real time.
- The platform uses MySQL for user data and MongoDB for chat history/logs.
Unique Features Of Troop Messenger:
- Burnout Messages
- AI Assistant Support
- Remote Screen Control
- Safe Guest Access
- Real-time Code Editing
Pro Tip:
If you’re evaluating alternatives to Troop Messenger, you can explore them by comparing their features, pros, and cons.
5. Messagenius – Secure Chat SDK Provider
Messagenius is a private instant messaging platform built for businesses that need full data control. This platform supports messaging, video calling, voice chat, end-to-end encryption, and self-destructing message features.
It integrates with control room systems to streamline communication between operational teams and field staff. In a nutshell, Messagenius is an alternative to Mattermost for organizations that need a messaging platform with built-in collaboration features.
Messagenius Technology:
- WebRTC provides secure and browser-based audio and video calls.
- It integrates with Jitsi for secure meeting features.
- The platform supports SIP to connect with enterprise phone systems.
Unique Features Of Messagenius:
- Secret Chat Option
- One-Click Broadcasts
- Control Room View
- CRM Integration
- Incident Room Creation
How To Choose the Right Mattermost Alternative Solution
Before enterprises decide to invest in the next team collaboration and communication solution, I highly suggest verifying it with the checklist below:
- White-labelling Capability: The solution should allow organizations to use their logo and theme for a consistent brand experience.
- Full Source Code Access: The provider should enable personalizing the chat SDK, from features to design, and create user-specific apps.
- Self-hosting Option: It should allow flexible deployment, both in the cloud and on-premises, for full infrastructure control.
- 100% Customization: It should guide enterprises to build a chat platform with a personal touch by adding, removing, or modifying features.
- Enterprise-Grade Security: The AES encryption, profanity filters, and AI moderation features protect team conversations.
- Third-party Tool Integrations: The solution should allow embedding CRMs, business tools, and productivity apps to improve overall collaboration.
- Multi-tenant Chat Server: It should allow storing chat data separately from other customers on the cloud servers to enhance security and privacy.
- Hiring Developer Team: The provider should allow hiring dedicated engineers to support integration or build the entire app.
Conclusion
The team communication software in the enterprise space keeps upgrading from a basic chat to an all-in-one super app. It unifies internal teams, stakeholders, external clients, and the remote workforce. With conversational AI agents and automation, it is undoubtedly improving productivity among teams.
Businesses have to choose the right solution based on their unique goals and requirements. And if you’re thinking of building your own custom team communication platform, contact our experts to get started.
Sivanesh is a Technical Content Writer with deep expertise in AI agents. He writes industry insights, tech breakdowns for developers & businesses.