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Head-to-head · Business Instant Messaging - Midmarket Software

Slack vs Nextcloud Talk

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Slack #2 in Business Instant Messaging - Midmarket Software 9.3/10 Free plan Free plan✓ 1 of 4 features Visit Slack
Nextcloud Talk #8 in Business Instant Messaging - Midmarket Software 8.5/10 Open source · 30-day trial Free trial✓ 1 of 4 features Visit Nextcloud

Slack leads on 0 checks, Nextcloud Talk on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSlack · 9.3/10
  • Free planonly Slack
  • Free trialonly Nextcloud Talk

Slack scores higher on our rubric for business instant messaging - midmarket software: 9.3 against 8.5 out of 10; our editors rank them #2 and #8.

Slack is the better fit for teams wanting a widely adopted, integration-rich hub. Nextcloud Talk is the better fit for teams needing self-hosted, federated collaboration.

  • Slack fits best

    Teams wanting a widely adopted, integration-rich hub

  • Nextcloud Talk fits best

    Teams needing self-hosted, federated collaboration

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Side by side

Feature Slack 9.3/10 Visit ↗ Nextcloud Talk 8.5/10 Visit ↗
At a glance
Editor score 9.3 8.5
Ranking #2 in Business Instant Messaging - Midmarket Software #8 in Business Instant Messaging - Midmarket Software
Best for Teams wanting a widely adopted, integration-rich hub Teams needing self-hosted, federated collaboration
Pricing model Free plan + paid Paid
Starting price $7.25/user/mo €71.29/user/yr
Free plan ✓ (best) Not checked yet
Free trial — 30 days
Deployment Cloud, Desktop, Mobile Self-hosted, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Docs · 24/7 Email, Phone, Tickets, Community, Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, SSO/SAML, 2FA GDPR
Integrations 2,600+ integrations 15 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Slack 1/4 · Nextcloud Talk 1/4
Guest access ✓ ✓
Self-hosted option Not checked yet Not checked yet
Single sign-on Not checked yet Not checked yet
Retention controls Not checked yet Not checked yet
Specs
Message history Limited Not checked yet
Max file size Not checked yet Not checked yet
Our review
Pros
  • Public and private channels support organized team and external conversations.
  • Connects with 2,600 integrations, including Salesforce, Jira, and Google Drive.
  • Huddles, searchable history, AI tools, and Workflow Builder cover varied work needs.
  • Federated chat and video calls, plus end-to-end encrypted calls
  • Guest rooms, screen sharing, webinars and breakout rooms
  • Chat integrates file and document collaboration with Nextcloud apps
Cons
  • Free includes only 90 days of searchable message history.
  • Free limits teams to 10 apps and 1:1 meetings and external messages.
  • Business+ costs more than Pro; Enterprise+ pricing is not displayed here.
  • Talk is optional at extra cost on the listed Enterprise tiers
  • The listed category specs do not include channels
  • Talk-specific pricing is not published with the listed tier prices
Our verdict

Slack brings workplace conversations, files, apps, and workflow automation into a cloud-based service. Teams can organize discussions in public or private channels, message directly, and collaborate with outside organizations through Slack…

Read the review →

Nextcloud Talk brings text chat, audio and video calls, meetings and webinars into a self-hosted collaboration platform. It is suited to teams that want control over deployment and need conversations with both colleagues and external…

Read the review →
  1. SlackBusiness Instant Messaging - Midmarket Software 9.3Free plan
  2. Nextcloud TalkBusiness Instant Messaging - Midmarket Software 8.5Open source · 30-day trial

Strengths and trade-offs

  • Slack — where it wins

    • Public and private channels support organized team and external conversations.
    • Connects with 2,600 integrations, including Salesforce, Jira, and Google Drive.
    • Huddles, searchable history, AI tools, and Workflow Builder cover varied work needs.

    Where it doesn't

    • Free includes only 90 days of searchable message history.
    • Free limits teams to 10 apps and 1:1 meetings and external messages.
    • Business+ costs more than Pro; Enterprise+ pricing is not displayed here.
  • Nextcloud Talk — where it wins

    • Federated chat and video calls, plus end-to-end encrypted calls
    • Guest rooms, screen sharing, webinars and breakout rooms
    • Chat integrates file and document collaboration with Nextcloud apps

    Where it doesn't

    • Talk is optional at extra cost on the listed Enterprise tiers
    • The listed category specs do not include channels
    • Talk-specific pricing is not published with the listed tier prices
  • Slack9.3/10 · Free plan

    A channel-based work hub with broad integrations, huddles, and workflow automation.

    Visit SlackFull verdict →
  • Nextcloud Talk8.5/10 · Open source · 30-day trial

    Open-source team chat with guest access, federation and collaboration tools for self-hosted teams.

    Visit NextcloudFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update