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OPENCTRL

Zulip

by Kandra Labs · Communication

Open-source team chat organized by topic-based threads.

  • Free plan
  • Use online
  • Self-host
  • Open source
  • Community
Cost
Free plan
How you use it
In your web browser
Works on
Web, Docker
Open source
Yes · Apache-2.0

Get Zulip

  • Download

    Works in your browser, nothing to install · zulip.com

Add to Workspace saves it in your OPENCTRL list. Download opens it on zulip.com, where you can add it to your device. OPENCTRL doesn't run, frame or vouch for third-party apps.

Overview

Open-source team chat organized by topic-based threads.

Listed by OPENCTRL from the project's public repository. OPENCTRL isn't affiliated with the project; its maintainers can claim this listing.

Pricing

Free plan.

Free plan limits:
Free plan on zulip.com, with paid plans for more. Self-hosting is free too (Apache-2.0).
Free offering:
Permanent

An alternative to Slack

ProductPricingOpen sourceHosting
ZulipFree + paid plansYes (Apache-2.0)Self-hostable
SlackPricing not verified—Vendor-hosted

OPENCTRL is not affiliated with the products listed here. Names are used to describe what an app replaces.

Self-hosting

Installation and deployment instructions are in the project's repository.

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