Fleep vs. Mattermost vs. Slack

Hacker News, Reddit, Stack Overflow Stats

  • 155
  • 73
  • 0
  • 1.45K
  • 1.39K
  • 84
  • 1.51K
  • 3.11K
  • 1.37K

GitHub Stats

No public GitHub repository stats available
No public GitHub repository stats available


What is Fleep?

Leave email behind and manage all conversations with your team, partners and clients in Fleep. If some of them are not Fleep users yet, they will receive all messages as normal emails.

What is Mattermost?

Mattermost is modern communication from behind your firewall.

What is Slack?

Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s Slack. All your messages. All your files. And everything from Twitter, Dropbox, Google Docs, Asana, Trello, GitHub and dozens of other services. All together.

Want advice about which of these to choose?Ask the StackShare community!


Why do developers choose Fleep?
Why do you like Fleep?

Why do developers choose Mattermost?
Why do you like Mattermost?

Why do developers choose Slack?
Why do you like Slack?


What are the cons of using Fleep?
No Cons submitted yet for Fleep
Downsides of Fleep?

What are the cons of using Mattermost?
Downsides of Mattermost?

What are the cons of using Slack?
Downsides of Slack?


How much does Fleep cost?
Fleep Pricing
How much does Mattermost cost?
How much does Slack cost?
Slack Pricing


What companies use Fleep?
2 companies on StackShare use Fleep
What companies use Mattermost?
49 companies on StackShare use Mattermost
What companies use Slack?
5548 companies on StackShare use Slack


What tools integrate with Fleep?
10 tools on StackShare integrate with Fleep
What tools integrate with Mattermost?
13 tools on StackShare integrate with Mattermost
What tools integrate with Slack?
231 tools on StackShare integrate with Slack

What are some alternatives to Fleep, Mattermost, and Slack?

  • HipChat - Supercharge team collaboration with group chat and IM
  • Gitter - Messaging for people who make software. Integrated with your team, projects and your code.
  • RocketChat - Open source slack alternative
  • Zulip - Powerful open source team chat

See all alternatives to Fleep

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