Software Alternatives & Startups

Slack VS C3

Compare Slack VS C3 and see what are their differences

Slack

A messaging app for teams who see through the Earth!

Rating
4.3 · 9 reviews
C3

Give your business a competitive edge with C3’s communication platforms: Cloud, IVR, Virtual Contact Centre Solutions, PCI DSS Compliant Systems & more…

Rating
0 reviews

Which is more popular?

Based on our record, Slack seems to be more popular. It has been mentioned 237 times since March 2021.

social mentions
237 vs 0
Communication popularity
99% vs 1%
alternatives listed
240+ vs 38

Base details

Website, pricing, platforms and company facts side by side.

Slack
C3
Website slack.com c3.co.uk
Pricing —
Company Startup from the United States —
Listed in

Features and specs

What each product offers, as listed by its team.

Slack 6 features
C3 4 features
  • Real-Time Communication
    Slack allows for instant messaging and real-time communication, which facilitates quick decision-making and immediate problem solving among team members.
  • Channel Organization
    Users can create channels for different teams, projects, or topics, keeping discussions organized and easy to follow.
  • Integration Capabilities
    Slack integrates with a variety of other tools and services, such as Google Drive, Trello, and GitHub, allowing seamless workflow management.
  • Search Functionality
    Slack’s powerful search feature makes it easy to find specific messages, files, or information within your team's communication history.
  • Custom Notifications
    Users can tailor their notification settings to minimize distractions while ensuring they stay informed about important discussions.
  • Cross-Platform Availability
    Slack is available on multiple platforms, including desktop, web, and mobile, ensuring that team members can stay connected from anywhere.

Possible disadvantages

  • Information Overload
    With constant streams of messages and notifications, Slack can sometimes lead to information overload, making it difficult for users to keep up.
  • Cost
    While Slack offers a free tier, many advanced features are only available in the paid plans, which can be costly for larger organizations.
  • Dependency on Internet
    Slack requires a stable internet connection, which can be a limitation for users in areas with unreliable or slow internet service.
  • Potential for Distraction
    The real-time nature of Slack can sometimes be distracting, pulling team members away from deep, focused work.
  • Privacy Concerns
    As with any digital communication tool, there are potential privacy and security concerns that organizations need to manage.
  • Scalability Issues
    Large teams or companies may find it challenging to manage and scale their usage of Slack effectively as the number of channels and conversations grows.
  • Comprehensive Solutions
    C3 provides a wide array of software solutions, including contact center management, customer engagement, and workforce optimization, which can cater to various business needs.
  • Industry Experience
    With extensive experience in the telecommunications and contact center industries, C3 has a deep understanding of the challenges and requirements businesses face in these sectors.
  • Customizable Software
    C3's offerings are customizable, allowing businesses to tailor the solutions to meet specific needs and requirements, enhancing efficiency and effectiveness.
  • Integration Capabilities
    The solutions from C3 are designed to integrate with existing systems, ensuring seamless operation and reducing the need for major overhauls or replacements.

Possible disadvantages

  • Complex Implementation
    Due to the comprehensive nature of their solutions, implementation may require significant time and resources, potentially leading to a longer onboarding period.
  • Cost Concerns
    The advanced features and customization options of C3's solutions might lead to higher costs, which can be a barrier for smaller organizations or those with limited budgets.
  • Learning Curve
    Users may experience a steep learning curve when adapting to C3's software, necessitating thorough training and support for effective use.
  • Limited Online Presence
    C3's online information and user reviews can be relatively limited, making it challenging for potential customers to gather insights and user experiences from the internet.

Videos

Walkthroughs and reviews on video.

Slack 3 videos + Add
C3 3 videos + Add

Review: How & Why We Use Slack At Our Office

More videos

  • - What is Slack?
  • - Slack App Tutorial: How & Why We Use SLACK For Our Remote Team

Citroen C3 2018 in-depth review | Mat Watson Reviews

More videos

  • - Citroen C3 - Should You Buy One in 2022?
  • - Citroen C3: Citroen's stylish supermini

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Slack
C3
99% 99%
1% 1%
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%

User comments

Share your experience with using Slack and C3. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Slack 4.3 · 9 reviews
C3 no reviews yet
  • A good chat messenger for teams
    SaaSHub review
    · Jan 2026

    i use it at my job it has really helped me keep myself updated with team news and updates. i would prefer it over teams and discord

  • Essential for Team Collaboration but Needs Better Notification Management
    SaaSHub review
    · Feb 2025

    Slack has transformed how we communicate at Polar Credit, making collaboration faster and more organized. The channel-based messaging, direct integrations with essential tools, and real-time notifications keep our...

  • A Must-Have for Teamwork
    SaaSHub review
    · Dec 2024

    Slack has completely transformed how our team works together. The channels keep conversations organized, and we never lose track of important discussions. It integrates with tools like Google Drive and Zoom, making...

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Slack 237 mentions
C3 0 mentions

View more

Tracking C3 since Dec 2022.

Alternatives to Slack and C3

When comparing Slack and C3, you can also consider the following products.

  • Trello

    Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

    Compare Trello to Slack or C3:

  • Mumble

    Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...

    Compare Mumble to Slack or C3:

  • Asana

    Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

    Compare Asana to Slack or C3:

  • Discord

    Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

    Compare Discord to Slack or C3:

  • Microsoft Teams

    Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.

    Compare Microsoft Teams to Slack or C3:

  • Ventrilo

    Ventrilo is the next evolutionary step of Voice over IP (VoIP) group communications software.

    Compare Ventrilo to Slack or C3: