What are free alternatives to Slack?

Free or freemium options include Pumble, Zulip, Discord.

Is it free?

Is Slack free?

Yes, Slack has a free plan. Yes, but messages are saved and searchable for only 90 days, you can connect up to 10 apps, and huddles are 1:1 only.

Slack is a team chat app that organises conversations into channels, with huddles, apps and search.

Yes, Slack has a free plan.

Short answer

Yes, but messages are saved and searchable for only 90 days, you can connect up to 10 apps, and huddles are 1:1 only.

Updated October 2026

Pro, Business+ and Enterprise+ are paid per user a month, billed monthly or yearly. Prices vary by country.

Checked on 14 October 2026 on Slack's own pricing page. Prices change, so confirm there before you pay.

Free Slack Pro for nonprofits
Organisations with valid charitable status from the IRS (US), a local tax service or charity commission, or a TechSoup Global partner. Political bodies, religious organisations, schools and colleges, government offices, hospitals and private grant-making foundations are not eligible.

PumbleFreemium
Slack-style chat with unlimited users and unlimited history on the free plan.
ZulipFreemium
Open-source chat with topics, free to self-host with every feature.
DiscordFreemium
Free text, voice and video chat with always-on voice rooms.