Top CUSTOMER-SUPPORT GitHub Repositories & Tools (2026)

Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.

FreeScout — Free self-hosted omnichannel AI-powered helpdesk & shared mailbox

Zammad is a web based open source helpdesk/customer support system.

Open-source AI sales OS — self-hosted CRM with native AI agents + WhatsApp (WAHA). Open alternative to Kommo, Octadesk & Intercom for any business that sells by chat. MCP-ready, multi-tenant, LGPD.

EspoCRM – Open Source CRM Application

Faveo Open source ticketing system build on Laravel framework