Mattermost

Privacy-friendly alternatives to Mattermost

The team messaging software sites closest to Mattermost, with the fewest trackers first: what each homepage loads before you accept cookies. Mattermost itself loads 3 trackers.

  1. 01
    Activepieces activepieces.com English No trackers

    Activepieces: unify your team's AI

    Chat, agents, flows, tables, and 770+ apps in one workspace, so your whole team works with AI in the tools they already use. Open source at the core.

    Uses privacy-friendly analytics. Compare with Mattermost →

  2. 02
    DingTalk dingtalk.com Top 10K No trackers

    钉钉,AI时代工作方式

    钉钉(Ding Talk)是阿里巴巴集团打造的企业级智能移动办公平台,引领未来新一代工作方式,将陪伴每一个企业成长,是数字经济时代的企业组织协同办公和应用开发平台,是新生产力工具。

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  3. 03
    Signal signal.org Top 10K English No trackers

    Signal >> Home

    Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  4. 04
    Seafile seafile.com English No trackers

    Seafile - Open Source File Sync and Share Software

    Seafile is an open source, self-hosted file sync and share solution with high performance and reliability. Sync, access, and collaborate on files on your own server or private cloud.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  5. 05
    telegram.org Top 1K No trackers

    Telegram Messenger

    Fast. Secure. Powerful.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  6. 06
    Threema threema.ch Top 10K English No trackers

    Threema – Secure Communication For Individuals and Companies

    The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  7. 07
    Crisp crisp.chat English No trackers

    The AI Customer Support Platform for Every Business - Crisp

    Crisp is the ultimate all-in-one AI-powered multichannel messaging platform that helps businesses connect instantly with their customers or leads who are waiting for support. With its quickly evolving set of tools, Crisp is leading businesses through the AI-driven revolution by using conversations to unlock hypergrowth.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  8. 08
    GroupMe groupme.com English No trackers

    GroupMe | Group chat app

    Group text messaging to every phone. The easy way to connect with all the groups in your life, big and small.

    Uses third-party embeds. Compare with Mattermost →

  9. 09
    Odoo odoo.com Top 1K English No trackers

    Open Source ERP and CRM | Odoo

    From ERP to CRM, eCommerce and CMS. Download Odoo or use it in the cloud. Grow Your Business.

    Uses third-party embeds. Compare with Mattermost →

  10. 10
    Staffbase staffbase.com English No trackers

    Staffbase | AI-native Intranet and Employee Experience Platform

    Staffbase is the AI-native Employee Experience Platform built for the hardest-to-reach employees. Connect every employee with centralized, trusted communication. Book a demo.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  11. 11
    Appwrite appwrite.io English No trackers

    Appwrite · The open-source cloud for developers and agents

    Appwrite is an open-source developer platform with Auth, Databases, Storage, Functions, Messaging, and Sites. The open-source cloud for agents and developers.

    Uses privacy-friendly analytics. Compare with Mattermost →

  12. 12
    Baserow baserow.io English No trackers

    No-code open source database & application builder | Baserow

    Discover Baserow, the open-source no-code platform for building databases and applications. No code or technical skills needed. Start creating for free today!

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  13. 13
    Penpot penpot.app English No trackers

    Penpot: The open-source design platform for teams.

    Penpot is the open-source design platform for teams building digital products at scale, enabling deeper collaboration across design, code, and AI workflows.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  14. 14
    OpenText opentext.com English No trackers

    OpenText | Secure Information Management for AI

    OpenText helps organizations securely manage and connect data across the enterprise, transforming data into trusted, AI-ready information.

    No trackers, ad pixels or embeds on its homepage. Compare with Mattermost →

  15. 15
    erpnext.com English No trackers

    Open Source Cloud ERP Software | ERPNext

    ERPNext is the world's best 100% open source ERP software which supports manufacturing, distribution, retail, trading, services, education & more. Contact us!

    Uses third-party embeds. Compare with Mattermost →

  16. 16
    PubNub pubnub.com Top 10K English No trackers

    Build, manage, & optimize real-time apps at scale | PubNub

    Power your real-time app with PubNub - the world's largest pub/sub network. Scale to 3 trillion API calls/month, with <30ms global delivery. Start building now!

    Uses third-party embeds. Compare with Mattermost →

  17. 17
    Slack slack.com Top 1K English EU-registeredFree plan 1 tracker

    Slack | AI Work Platform & Productivity Tools

    Boost productivity and save time with Slack‌ — ‌the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.

    Uses marketing and email tracking, third-party embeds. Compare with Mattermost →

  18. 18
    Element element.io English 1 tracker

    Element | Secure collaboration and messaging

    Element is a Matrix-based end-to-end encrypted messenger and secure collaboration app. It’s decentralised for digital sovereign self-hosting, or through a hosting service such as Element Matrix Services. Element operates on the open Matrix network to provide interoperability and easy connections.

    Uses marketing and email tracking. Compare with Mattermost →

  19. 19
    Nextcloud nextcloud.com Top 10K English 1 tracker

    Nextcloud - Open source content collaboration platform

    The most popular open source content collaboration platform for tens of millions of users at thousands of organizations across the globe

    Uses visitor analytics, third-party embeds. Compare with Mattermost →

  20. 20
    Bitrix24 bitrix24.com Top 10K German 1 tracker

    Bitrix24 ist ein kostenfreier Online-Arbeitsplatz für Ihr Unternehmen: CRM, Aufgaben, Online-Termine und vieles mehr.

    Die All-in-One Lösung von Bitrix24 hilft Ihnen dabei, Ihre Teams zu verwalten und den Vertrieb voranzutreiben. Bitrix24 lässt sich hervorragend in Ihre Geschäftsprozesse integrieren und sorgt für deren hochgenaue und effiziente Verwaltung.

    Uses tag manager. Compare with Mattermost →

Chosen from the Mattermost alternatives whose homepages we could read, closest first among those with the same number of trackers. A tag manager counts as a tracker: it loads more after you consent.