Head-to-head · Business Instant Messaging - Midmarket Software
Slack vs Nextcloud Talk
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
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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 |
|
|
| Cons |
|
|
| 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 → |
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
- Microsoft Teams vs Nextcloud Talk
- Lark vs Nextcloud Talk
- Zoho Cliq vs Nextcloud Talk
- Flock vs Nextcloud Talk
- Mattermost vs Nextcloud Talk
- Rocket.Chat vs Nextcloud Talk
All business instant messaging - midmarket software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







