---
description: Quickly find and compare the leading Slack vs C2 alternatives. Comprehensive listing of competitors & similar tools for fast software selection and to contact several providers directly.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: Compare Slack vs C2 | GetApp Canada 2026
---

Breadcrumb: [Home](/) > [Knowledge Management Software](/directory/257/knowledge-management/software) > [Slack \<span\>vs\</span\> C2](https://www.getapp.ca/compare/91563/100352/slack/vs/c2-atom)

# Compare Slack vs C2

Canonical: https://www.getapp.ca/compare/91563/100352/slack/vs/c2-atom

> Detailed comparison between Slack and C2. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Slack | C2 |
| **Overall rating** | 4.7/5 | 4.3/5 |
| **Total Reviews** | 24046 | 14 |
| **Starting Price** | US$8.75 | US$53.00 |
| **Free Trial** | Yes | No |
| **Free Version** | Yes | No |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base Software, Chat | Email/Help Desk, FAQs/Forum, Knowledge Base Software, Phone Support, Chat |
| **Training Software** | In Person, Live Online, Documentation, Videos | In Person, Live Online, Webinars, Documentation, Videos |

## Key features

### Slack

- API
- Activity Tracking
- Calendar Management
- Chat/Messaging
- Collaboration Tools
- Commenting/Notes
- Communication Management
- Content Management System (CMS) Software
- Full Text Search
- Monitoring
- Multi-Channel Communication
- Real-Time Chat
- Reminders
- Reporting/Analytics
- SSL Security
- Search/Filter
- Support Ticket Management
- Surveys & Feedback
- Task Management Software
- Workflow Management Software

### C2

- API
- Activity Tracking
- Calendar Management
- Chat/Messaging
- Collaboration Tools
- Commenting/Notes
- Communication Management
- Content Management System (CMS) Software
- Full Text Search
- Monitoring
- Multi-Channel Communication
- Real-Time Chat
- Reminders
- Reporting/Analytics
- SSL Security
- Search/Filter
- Support Ticket Management
- Surveys & Feedback
- Task Management Software
- Workflow Management Software

## Links

- [View Slack Profile](https://www.getapp.ca/software/91563/slack)
- [View C2 Profile](https://www.getapp.ca/software/100352/c2-atom)
- [View Original Comparison](https://www.getapp.ca/compare/91563/100352/slack/vs/c2-atom)

-----

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