Discourse

Open-source community discussion platform

Dover, DE, USA
Founded 2013

Discourse is an open-source community platform founded in 2013 by Jeff Atwood, Robin Ward, and Sam Saffron, built to power structured, long-form online discussion. The platform combines threaded forums, real-time chat, and private messaging in a single, self-hostable application licensed under GPL-2.0. Discourse is used by more than 22,000 communities worldwide, including organizations such as OpenAI, Mozilla, and NVIDIA, and is available as managed hosting or as a self-hosted installation. The company, Civilized Discourse Construction Kit, Inc., generates revenue through hosted plans and enterprise contracts while maintaining the full codebase as open source.

Last Updated: May 9, 2026

Current Valuation

$120M

as of August 21, 2021 (Source)

Funding Summary

$20M

Total reported funding

Key People

Core OSS Projects

The open-source community discussion platform

License: GPL-2.0-only

Business Information

Industries

Software

Technologies

Social MediaMessagingCollaboration

Sectors

EnterpriseSMBs

Licenses

GPL-2.0-only

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