SL
The giant of this niche · does not fight
Our pick, not their doingSlack is independent, chose none of this, and is not affiliated with or endorsed by Niche Wars. Names and logos belong to their owners and say only what these products are alternatives to.
Slack
We checked these facts, not the companyPublic figures, read from the numbered sources on 2026-08-27. Slack takes no part in Niche Wars and has not endorsed it.12
Where work happens
Team—TeamNot reported separately since Salesforce acquired the company.
Acquired$27.7BAcquiredSalesforce completed its acquisition of Slack for about $27.7B on 21 July 2021.
Founded2013FoundedLaunched publicly in August 2013.
Live duels
No fights yet · 48 hours each, ties go to the defenderopen fight
48h once it starts
you?
—
VS
—
whoever is above you
Enter the niche and pick your fight →
open fight
48h once it starts
you?
—
VS
—
whoever is above you
Enter the niche and pick your fight →
The ladder
nobody has entered yet · the first product in becomes the #1 alternative to Slack1
Current #1 alternative
The crown is unclaimed
First product in takes it — and defends it against everyone below.
Claim the crown →
2
Spot 2
Opens once the spot above it is taken.
3
Spot 3
Opens once the spot above it is taken.
4
Spot 4
Opens once the spot above it is taken.