Slack vs Trello


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Slack
Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams. Create open channels for the projects, groups and topics that the whole team shares. Slack searches whole conversations, not just individual messages, so you can find what you’re looking for no matter who said what or when they said it. Slack free open-source (self-hosted) alternatives are: Mattermost, Rocket.Chat, Zulip
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Trello
Get organized as fast as you can think. The easy-to-use interface takes no time to learn, and every action is instantaneous, so there’s nothing standing between you and your sweet productive flow. Trello is great alone, but even better with others. Get the whole group onboard in seconds. See their updates in real time. Free Trello alternatives are Bitrix24, Producteev, Remember the Milk. If you are looking for self-hosted open-source Trello alternative, pay attention to Taiga and Wekan.
Comparing Slack vs Trello is like comparing apples to oranges. Because your business is unique and nobody except you can decide, which is better for your company. But we can add some fun to your research and suggest some new comparison parameters.

Let's start with videos. We think that Trello has better video than Slack



Ok, now let's compare the UI. Looks like Trello has more user-friendly interface than Slack because it's bigger. At least on our screenshots


To compare the popularity of the solutions we counted how many alternatives people search for each of them on the Internet. And it turns out that Slack is more popular than Trello

Now let's look at the recent activities of our competitors:

- Trello comes to the desktop, gets Stride integration (in 2017)
- Slack raised $250 million at $5 billion valuation (in 2017)
- Slack adds screen sharing (in 2017)
- Slack launched Enterprise version of its group chat (in 2017)
- Slack now allows to add comments to particular message (in 2017)
- Atlassian acquired Trello (in 2017)
- Slack adds video calls (in 2016)
- Google and Slack team up against Microsoft and Facebook (in 2016)
- Slack to be powered by IBM Watson AI (in 2016)
- Slack deeply integrates with Salesforce (in 2016)

Looks like Slack was recently more active than Trello (at least in our news).