Slack Reviews

Slack software code is not open source. This means...

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Strengths
• Easy user interface
• Facilitate team communication & work

Challenges
• Potentially not secure. Because the code is not available publicly. So it can not be review by the public. In other words, there is a risk of abuse.

• It is own by a for-profit corporation. It is not owned by a not-for-profit community. Usually a corporation first priority is to hoard money. Not serve you and protect your privacy.
Slack software code is not open source. This means it is less secure than alternative open source software. Slack is owned by the for profit corporation Slack Technologies, Inc. Source at
https://gwhois.org/slack-edge.com+dns
Slack Technologies, Inc. are located at
155 5th Street, 6th Floor
San Francisco, CA, 94103, USA

If you need stronger security, you might be interested to consider another software with the code fully publicly available for review. Such as Mattermost at https://about.mattermost.com
Related page at Small Mattermost iconMattermost

• Slack often advertise and offer feature for free, then after you start using it for a while, they either stop offering that free feature, then you have to pay to continue using it, or they fully stop offering the feature. And offer you to use their other paid feature. Such as gateways. From Slack start until May 15th 2018, Slack gateways were allowing you to connect and interact with Slack. Using protocols such as the community-owned code, free, distributed and federated protocols IRC and XMPP clients. Now Slack no longer allow those protocol to connect and ended Slack gateways. Instead they invite you to use their corporate owned and paid Slack’s protocols. Why? Maybe to monetize and attach strings to you? ;) Sources:
https://archive.fo/8Lh3t
https://archive.fo/LXdBQ

• Exporting your data might be useless or mostly useless. Because Slack increasingly stop supporting community-owned code, free, distributed and federated protocols and standard. In other words, yes you can export some of your data, but it can not or some of it can not be imported easily and quickly into another provider of your choosing. Also the free Slack plan can only export links to files. In other words, you can NOT export your files. So you loose those when you close your Slack account. To export your files you have to pay for Slack “Plus plan”. Again to monetize and attach more strings to you? ;) Source at https://archive.fo/QP17R

[Edited by Francewhoa, April 19]

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The UI is consistently unfriendly and getting worse with each change. It's a very busy, brightly colored (toddler friendly color scheme) chat tool with so-so voice chat functions which seems to be progressively getting less stable than Skype for Business (a bar so low that they have to try very hard to be that bad).

They've been introducing more and more "features" to get in the way, such as mandatory channels, the emoji that is mandatory, unprofessional plugins that they encourage you to use, non-chronological order discussions in the same channel, etc. Almost all of this just worked fine if you used their IRC or XMPP gateway. Except -- they're shutting that down precisely because they don't support those features.

The security implications of third party stored communications that you cannot delete are also huge, making it unsafe to use in the enterprise unless you pay for it and have an explicit delete policy.

The company is not responsive to feedback, showing consistent arrogance especially on user accessibility for those who have specific needs like their fonts.

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Good:

1/ All Slack commands
2/@ features
3/ the frequently quirky messages when slack is loading
4/ the freedom to create channels specific to purposes
5/ Transparency on startup wide communications

Bad:

1/ Can't start a reply thread on mobile

Ugly: Obviously nothing

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I use it for communication with my team. Works without bugs, easy-to-use, good UI. Recommend it

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Who doesn't like Slack? We use it everywhere.

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I don't like Slack. :-) But maybe I'm just unaware of it's data-export and offline-backup features being better than I think they are — effectively non-existent.

Slack

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The web and mobile apps are really good and focused, but desktop apps are huge memory hogs (~900MB for just 2 open teams).

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#Slack or Telegram

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I'm so accustomed to this tool but recently experienced minor issue. Had anyone have this problem with Slack when you connect to another network and Slack asks you to reboot? I've never experieced such thing with Telegram.

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Slack makes teamwork a breeze with segregated channels that really boost visibility and collaboration. There's an abundant list of integrations for Slack too which makes it easy to use everywhere. Great mobile app too.

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Slack makes team communication easy and fun. It's a very complex and powerful service that has clearly been designed by around great user experience from day 1.

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Old gooood IRC of nowadays! Many integrations.

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Help me communicate with my team. Very effective

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This is legit!. Makes our works so easier. love it.

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Great platform for team collaboration. very useful.

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I came across slack as I realize the importance of team collaboration. Loving this. Thank you

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