Software Alternatives & Startups

Slack VS Cloud9

Compare Slack VS Cloud9 and see what are their differences

Slack

A messaging app for teams who see through the Earth!

Rating
4.3 · 9 reviews
Cloud9

Cloud9 combines a powerful online code editor with a full Ubuntu workspace in the cloud. Cloud9 supports more than 40 languages, with class A support for PHP, Ruby, Python, JavaScript, Go, and more.

Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Slack seems to be a lot more popular than Cloud9. While we know about 237 links to Slack, we've tracked only 2 mentions of Cloud9.

social mentions
237 vs 2
Communication popularity
100% vs 0%
alternatives listed
240+ vs 117

Base details

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

Slack
Cloud9
Website slack.com c9.io
Pricing
Company Startup from the United States
Listed in

Features and specs

What each product offers, as listed by its team.

Slack 6 features
Cloud9 5 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.
  • Accessibility
    Cloud9 is a cloud-based IDE which allows you to access your development environment from any device with an internet connection, making it convenient for remote work.
  • Collaboration
    It provides real-time collaborative coding features, which enables multiple developers to work on the same project simultaneously and see changes in real-time.
  • Pre-configured Environments
    Cloud9 offers pre-configured environments for many programming languages and frameworks, saving developers time in setting up their workspaces.
  • Integrated Terminal
    The IDE includes an integrated terminal that allows users to run command-line tools directly within the environment.
  • AWS Integration
    Since AWS acquired Cloud9, it integrates seamlessly with AWS services, making it a great choice for projects that involve AWS resources.

Possible disadvantages

  • Cost
    Although Cloud9 has a free tier, the features are limited and scaling up can incur additional costs, making it less economical for large teams or projects.
  • Internet Dependency
    Being a cloud-based IDE, a stable internet connection is required to use Cloud9, which might be a limitation in areas with poor connectivity.
  • Performance
    There can be latency issues compared to local development environments, especially if the internet connection is not optimal.
  • Limited Offline Support
    Cloud9 lacks robust offline capabilities, which means you cannot work without an internet connection.

Videos

Walkthroughs and reviews on video.

Slack 3 videos + Add
Cloud9 2 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

Longevity Test !! Cloud9 vs GHD WHICH ONE IS BETTER?

More videos

  • - How Bjergsen crushed Cloud9's Worlds streak | LCS Review ft. Ashley Kang

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
Cloud9
100% 100%
0% 0%
0% 0%
CRM
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Slack and Cloud9. 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
Cloud9 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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We have no reviews of Cloud9 yet. Be the first one to post

Social recommendations and mentions

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

Slack 237 mentions
Cloud9 2 mentions

View more

Alternatives to Slack and Cloud9

When comparing Slack and Cloud9, you can also consider the following products.