The Open Sourced competitor to Slack
From 0 to $1B - Slack's Founder Shares Their Epic Launch Strategy
“HELL YEAH WE'RE USING @SlackHQ AT WORK I. LOVE. SLACK.”
How Slack and Discord became tools for worker revolt
Lots of tech worker movements got their start on Slack and Discord, even if the creators of those apps would rather not talk about it.
The Psychology of a Billion-Dollar Enterprise App: Why Is Slack So Habit-Forming?
Slack isn’t just another office collaboration app. The company has been called, “the fastest-growing workplace software ever.” Recent press…
Open Sourcers Race to Build Better Versions of Slack
These projects hope to provide not just a free alternative to the popular chat app but beat Slack at its own game by providing features it doesn't have.
Why Slack is inappropriate for open source communications | Dave Cheney
Full disclosure: my employer makes a Slack alternative. All my concerns about the use of Slack type chat services apply equally to its competitors, including my employer’s.
What happened when this tech company stopped using Slack on Fridays - Fast Company
The social media platform wanted to see if they can be more focused and productive when there aren't endless Slack notifications.
Please don't use Slack for FOSS projects
This blog post was published on November 1, 2015. It might be out of date, have broken images or links, or simply contain bad ideas and opinions that didn't stand the test of time. Please read generously!
Slack is work chat's runaway train, raises $200M at $3.8B | TechCrunch
The Slack rocketship won't slow down. The business messaging startup has raised $200 million at a $3.8 billion post-money valuation, the company confirms
Slack is not for me
I began 2018 choosing to log out of Slack. More than a month later, I have yet to log back in.
Slack's rapid growth slows as it hits 1.25M paying work chatters | TechCrunch
Slack is still growing fast, about 33% in daily users and paid seats in the last 5 months. But not as fast as before, when it saw 50% DAU growth and 63%
Why I Avoid Slack
I avoid interacting on Slack, especially for technical conversations around open source software. Instead, I encourage colleagues to have technical and design conversations on GitHub, or some other system that is public, permanent, searchable, and cross-referenceable. In the spirit of Don’t Repeat Yourself (DRY) I’m writing up these thoughts as a blogpost.
GREG ISENBERG on Twitter / X
I think the most interesting thing about Jack Dorsey's "Slack killer" is the idea around shared compute.I haven't seen people talk about it so here are my thoughts FWIW:Open models got good, close enough to the paid frontier stuff to run for real. But the strongest ones need… https://t.co/b5PBgYjAGL— GREG ISENBERG (@gregisenberg) July 25, 2026
Slack Blog
Welcome to the official Slack blog. Explore our latest product news, research on the future of work, and tips for using Slack to be more productive.
We're on Slack! Join us! - Creative Commons
Today we’re excited to announce that we have migrated our real time communications from IRC to Slack.
slackfs/PLAN.md at main · jeremy46231/slackfs
Contribute to jeremy46231/slackfs development by creating an account on GitHub.