---
description: Side-by-side comparison of ONEsite vs Slack. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: ONEsite vs Slack Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Community Software](/directory/30800/community/software) > [ONEsite \<span\>vs\</span\> Slack](https://www.capterra.co.uk/compare/78835/135003/onesite/vs/slack)

# Compare ONEsite vs Slack

Canonical: https://www.capterra.co.uk/compare/78835/135003/onesite/vs/slack

> Detailed comparison between ONEsite and Slack. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | ONEsite | Slack |
| **Overall rating** | 4.3/5 | 4.7/5 |
| **Total Reviews** | 25 | 24110 |
| **Starting Price** | US$1,000.00 | US$8.75 |
| **Free Trial** | Yes | Yes |
| **Free Version** | No | Yes |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, Chat |
| **Training** | In Person, Live Online, Webinars, Documentation | In Person, Live Online, Documentation, Videos |

## Best for

### ONEsite

Associations, Company to Customer Communications, B2B, Consulting, Sports and Gaming, Medical Communities, Education, IT

### Slack

Slack is used by engineering departments, IT professionals, customer service teams, sales representatives, project managers, marketing teams, HR departments, and security professionals.

## Key features

### ONEsite

- API
- Activity/News Feed
- Blogs
- Chat/Messaging
- Content Management
- Discussions/Forums
- Document Management
- Filtering
- Group Management
- Live Chat
- Member Directory
- Moderation
- Real-Time Chat

### Slack

- API
- Activity/News Feed
- Chat/Messaging
- Content Management
- Customisable Templates
- Discussions/Forums
- Document Management
- Encryption
- Filtering
- Group Management
- Live Chat
- Member Directory
- Moderation
- Natural Language Processing
- Real-Time Chat
- Recording
- Scheduling
- Support Ticket Management
- Whiteboard

## Links

- [View ONEsite Profile](https://www.capterra.co.uk/software/78835/onesite)
- [View Slack Profile](https://www.capterra.co.uk/software/135003/slack)
- [View Original Comparison](https://www.capterra.co.uk/compare/78835/135003/onesite/vs/slack)

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