19 beste Slack-Alternativen im Test 2026

Pumble is a team communication tool designed for small to medium-sized businesses seeking efficient messaging and collaboration. It provides a platform for teams to connect and share information. 

Why it's a good Slack alternative: Pumble offers unlimited message history, allowing your team to access past conversations without restrictions. This feature ensures that important information is never lost. With its simple and intuitive interface, Pumble makes communication straightforward and efficient. The platform also provides collaboration tools such as channels and direct messaging to keep your team connected.

Standout features and integrations:

Features include file sharing, which allows your team to quickly exchange documents and resources. Pumble's notification settings help you stay informed without being overwhelmed. The platform's search functionality makes finding past messages and files easy.

Integrations include Google Calendar, GitHub, Google Drive, and more.

Brosix is a secure team communication platform designed for businesses that need a private messaging solution. It's ideal for teams looking to enhance internal communications without the complexity of IT management. 

Why it's a good Slack alternative: Brosix offers encrypted communications, ensuring your team's messaging app conversations remain confidential. Its user-friendly interface requires minimal setup, making it accessible to all team members. The web-based control panel matrix allows for easy management of users and permissions. Brosix's focus on privacy and simplicity makes it a strong alternative to Slack for teams needing a secure SAAS communication app.

Standout features and integrations:

Features include easy file sharing, screen sharing capabilities, and a web-based control panel for user management. Brosix also provides HIPAA compliance, ensuring that your team's communications meet industry security standards. The platform's intuitive interface allows for quick onboarding without the need for IT expertise.

Integrations include Google Sheets, YouTube, Shopify, HubSpot, and more.

Chanty is a team communication and collaboration software designed to facilitate messaging, video calling, and task management. Its main user base includes sectors such as healthcare, retail, marketing, education, and IT, focusing on improving productivity and teamwork. 

Why it's a good Slack alternative: Chanty offers task management with Kanban views, allowing your team to organize and track tasks efficiently. Its 4K video calling feature ensures clear communication during virtual meetings. With unlimited group chats and secure file sharing, Chanty focuses on facilitating internal communication. The platform's user-friendly interface makes it accessible for teams across various industries.

Standout features and integrations:

Features include task creation and management with Kanban views, which help keep your projects organized. Chanty also provides secure file sharing, ensuring your data remains protected. The platform supports unlimited group chats, allowing your team to collaborate without restrictions.

Integrations include Zapier, Google Drive, Dropbox, Trello, Asana, GitHub, Bitbucket, Mailchimp, HubSpot, and more.

ProofHub is a project management and collaboration software that caters to teams needing a centralized platform for planning, collaboration, and task management. It's widely used by project managers, creative teams, and businesses looking to improve their workflow. 

Why it's a good Slack alternative: ProofHub offers project management tools, including task management, time tracking, and Gantt charts, which are not available in Slack. Its custom workflows allow your team to tailor processes to fit specific project needs. The chat feature keeps your communication centralized, reducing the need for multiple applications. ProofHub's focus on project management makes it a valuable alternative for teams looking to consolidate tools.

Standout features and integrations:

Features include custom roles, which allow you to define access levels for team members. The project templates feature helps you save time by reusing successful project structures. ProofHub also provides detailed reports for tracking progress and productivity.

Integrations include Google Drive, Dropbox, OneDrive, Box, FreshBooks, QuickBooks, Google Calendar, iCal, Slack, and more.

Microsoft Teams is a collaboration platform primarily used by businesses and educational institutions for communication and teamwork. It facilitates chat, video conferencing, and file sharing to enhance productivity and connectivity among teams. 

Why it's a good Slack alternative: Microsoft Teams provides integrated video conferencing with features such as screen sharing and meeting recording, which Slack lacks. The platform supports collaboration through a chat app, audio calls, shared files, and real-time editing in Office apps. With its built-in calendar, you can schedule meetings easily and keep track of team activities. Microsoft Teams offers a cohesive environment for communication and project management, making it a strong choice for large and small businesses.

Standout features and integrations:

Features include task management tools that help your team organize and prioritize work efficiently. Microsoft Teams also offers customizable team channels to keep conversations focused and organized. The platform's built-in whiteboard feature allows for creative brainstorming sessions.

Integrations include Microsoft 365, SharePoint, OneDrive, Power BI, GitHub, Trello, Asana, Zoom, Salesforce, Adobe Creative Cloud, and more.

Twist is a team communication tool designed for organizations that prioritize focused and thoughtful work. Its main user base includes remote teams and companies that value deep work without constant interruptions. 

Why it's a good Slack alternative: Twist emphasizes asynchronous communication, allowing your team to work at their own pace without the pressure of immediate responses. The platform organizes conversations into threads, making it easier to follow discussions and find information. With a distraction-free interface, Twist helps your team concentrate on tasks without the noise of constant notifications. This approach promotes a more balanced and productive work environment.

Standout features and integrations:

Features include the ability to create and manage threads for organized discussions. Twist also offers a distraction-free mode, allowing your team to focus on work without interruptions. The platform provides a searchable history, so finding past conversations and information is straightforward.

Integrations include Asana, Trello, GitHub, Zapier, Todoist, Google Calendar, Google Drive, and more.

Rocket.Chat is an open-source communication platform designed for businesses and developers who require secure messaging and collaboration. It caters to organizations that value privacy and data control. 

Why it's a good Slack alternative: Rocket.Chat offers self-hosting options, ensuring your data remains within your control, unlike Slack's cloud-based approach. It supports E2EE in selected rooms, which provides an extra layer of security for your team's communications. With customizable permissions, you can manage access and ensure only authorized users view sensitive information. Rocket.Chat's focus on security makes it ideal for organizations concerned about data privacy.

Standout features and integrations:

Features include real-time translation, which allows your team to communicate across language barriers. Rocket.Chat also offers a feature-rich API, enabling developers to build custom solutions. The platform's white-labeling options let you tailor the interface to match your brand.

Integrations include GitHub, GitLab, Jitsi, Google Drive, Dropbox, Zapier, Trello, and more.

Clariti is a communication and collaboration tool aimed at businesses looking to organize their conversations and tasks efficiently. Its main users include teams that need a cohesive approach to managing emails, chats, and documents in one place. 

Why it's a good Slack alternative: Clariti offers the ability to connect related emails, chats, and documents into threads, which Slack does not provide. This feature helps your team keep all relevant information together, reducing the time spent searching for past communications. Clariti also supports voice calling and screen sharing, supporting collaboration within your team. Its focus on organization and integration of various communication forms makes it a valuable tool for teams needing a holistic communication solution.

Standout features and integrations:

Features include the ability to organize conversations and content into connected threads, which keeps your team focused and reduces clutter. Clariti's built-in voice calling feature ensures you can communicate verbally without leaving the platform. The tool also supports screen sharing, which facilitates remote collaboration and presentations.

Integrations include Salesforce, Stripe, Tableau, Power BI, and more.

Mattermost is an open-source messaging platform designed for organizations that need secure and customizable communication solutions. Its main users include IT professionals, developers, and teams focused on privacy and data control. 

Why it's a good Slack alternative: Mattermost provides self-hosting options, ensuring your data remains within your control, unlike Slack's cloud-based approach. The platform supports private and group chat functionalities, allowing your team to collaborate effectively. It supports self-hosting and enterprise security controls, prioritizing the protection of your communications. Its open-source nature also allows for extensive customization, making it adaptable to your team's specific needs.

Standout features and integrations:

Features include threaded conversations that help organize discussions and keep topics clear. Mattermost also offers multi-language support, which is beneficial for global teams. The platform's customizable interface allows you to tailor the look and feel to match your organization's brand.

Integrations include GitLab, Jira, Jenkins, GitHub, Zoom, Zendesk, and more.

Discord is a communication platform widely used by gamers for voice, video, and text chat. It is also popular among professionals as a communication hub, enabling real-time interaction and collaboration. 

Why it's a good Slack alternative: Discord offers voice channels for spontaneous voice communication, which is particularly beneficial for collaborative work sessions. The platform's customizable server setup lets you create dedicated spaces for different topics or groups. With high-quality audio and video capabilities and community-building features, such as roles and permissions, it also supports organized and efficient group management.

Standout features and integrations:

Features include screen sharing, which allows you to share your screen or presentations with your team. Discord's push-to-talk functionality ensures clear and controlled voice communication. The platform also provides text channels for focused discussions and information sharing.

Integrations include YouTube, Spotify, Twitch, Reddit, Twitter, PayPal, Steam, Nightbot, MEE6, and more.