Slack Alternatives

Discover 24 sovereign European alternatives to Slack with European data residency and digital sovereignty.

Why Switch from Slack to an EU Alternative?

  • Data stored in the EU - Your data never leaves European borders
  • Built with GDPR in mind - Privacy-first design
  • Digital sovereignty - Reduce dependency on non-EU tech providers
  • Self-hosting options - Many alternatives offer on-premise deployment

European Slack Alternatives (24)

  • C4B Com For Business AG

    C4B Com For Business AG is a German software company that develops XPhone Connect - a unified communications solution for businesses & public authorities.

    📍 Germany • Communication
  • Element

    Matrix-based secure chat (SaaS + self-host).

    📍 United Kingdom • Communication
  • BirdyChat

    Professional instant messaging platform for work. Features 1:1 chats, focused group conversations, and communities to keep teams connected and productive.

    📍 Latvia • Communication
  • IVICOS

    IVICOS provides CAMPUS, a secure, GDPR-compliant virtual office software designed for hybrid teams to collaborate effectively in a human-centric digital workspace.

    📍 Germany • Communication
  • Threema Work

    Threema Work is the professional communication solution for organizations that want to handle confidential communication easily and efficiently.

    📍 Switzerland • Communication
  • Matrix.org

    Open standard for secure decentralized communication.

    📍 United Kingdom • Communication
  • Eclipse Technology

    Eclipse Sovereign Suite is the world’s first unified ecosystem to integrate eight essential productivity tools, delivering total productivity and privacy.

    📍 Spain • Office Suites
  • Vabelmat Technologies FlexKapG

    We are a company building the first Thermal Efficiency Platform for continuously measure the thermal losses in the industry due the degradation of Thermal insulation materials that covers pipelines and vessel thanks in industrial facilities, this monitoring has the potential to provide enough data to save billions of dollars and reduce the emissions of millions of tons of CO2 across Europe.

    📍 Austria • IoT Platforms
  • Lynes Technologies

    Lynes provides an AI-driven business communication platform featuring cloud PBX, telephony, messaging, and case management tools (UCaaS & CCaaS).

    📍 Sweden • Communication
  • Wimi

    A sovereign French collaborative suite for project management, document sharing, and communication, designed to protect sensitive data and organisations.

    📍 France • Office Suites
  • mediaBEAM GmbH

    Develops secure cloud, email, and collaboration solutions for companies, telcos, providers and public sectors. Focus on digital sovereignty and data protection.

    📍 Germany • Document Collaboration
  • Whaller

    Whaller is a secure, customizable collaboration platform for building social networks to facilitate professional communication and teamwork.

    📍 France • Team Communication
  • Nordic Alliance Group - EMEA

    Distributor of market leading Advanced Secure Communication software, licenses, platforms, & services. Primary focus is on Video, Chat & Collaboration in EU.

    📍 Sweden • Communication
  • Dream Broker

    Dream Broker provides secure European video communication software for video meetings, chat, file sharing, and video lifecycle management.

    📍 Finland • Communication
  • Talkspirit

    Talkspirit is a collaboration platform 100% made in Europe that modernizes your internal communication, simplifies information sharing and streamlines collabora

    📍 France • Communication
  • Peergos

    Peergos is a secure, private, and decentralised space to store and share files, featuring end-to-end encryption and a built-in messenger and calendar.

    📍 United Kingdom • Cloud Storage
  • Treebal

    Treebal is an ethical, eco-responsible instant messaging application focused on digital sobriety, data sovereignty

    📍 France • Communication
  • ANHALT INTELLIGENCE

    Anhalt Intelligence: Homeoffice Cloud and AI clerk Europe-made, SME-friendly, and ready-to-use: Create an account and get started!

    📍 Germany • Office Suites
  • Enclave

    Enclave deploys sovereign platforms for AI, identity, data, and internal operations - so critical capability stays private, resilient and under your control.

    📍 Sweden • Cybersecurity
  • Whaller

    Whaller is a secure, customizable collaboration platform for building social networks to facilitate professional communication and teamwork.

    📍 France • Communication
  • innovaphone AG

    A leading European provider of workplace and communication solutions, specializing in IP telephony and Unified Communications.

    📍 Germany • Communication
  • Bearicorn

    Self-host all that matters chats, tasks, files and secrets

    📍 Slovakia • Productivity
  • Fluxer Platform AB

    Fluxer is a free and open source instant messaging and VoIP platform built for friends, groups, and communities.

    📍 Sweden • Communication
  • Teamwire

    Teamwire is a secure, GDPR-compliant collaboration tool, specifically for critical infrastructure, public safety, public authorities, and healthcare.

    📍 Germany • Communication

Frequently Asked Questions

What are the best European alternatives to Slack?
The top European alternatives to Slack include C4B Com For Business AG, Element, BirdyChat. All are sovereign, EU-built options with European data hosting.
Do these Slack alternatives offer EU data residency?
Yes, the European alternatives listed on European Tech Map are EU-built and offer European data hosting options to keep your data in the EU. Many are also built with GDPR in mind.
Can I self-host these Slack alternatives?
Many European alternatives offer self-hosting options for complete data control. Check each company's page for specific deployment options.
Why switch from Slack to a European alternative?
European alternatives offer digital sovereignty, EU data residency, independence from US tech, and often stronger privacy protections than US-based services.

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