Open Source Alternatives to Zendesk for Customer Service
9 open source Customer Service options similar to Zendesk for Customer Service, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
ERPNext20Enterprise SoftwareBangalore, IndiaOpen-source ERP system for small and medium-sized businesses.
Open source · Self-hostable
Dolibarr18Open SourceOpen-source ERP and CRM web suite for businesses of all sizes.
Open source · Self-hostable
Countly55AnalyticsLondon, United Kingdom$1.1MProduct analytics and customer engagement platform built on an open-source, self-hosted foundation.
Open source · Self-hostable
Flectra27Open SourceAhmedabad, IndiaOpen-source ERP and CRM software to streamline business operations and enhance productivity.
Open source · Self-hostable
Realnas19Open SourceOpen-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.
Open source · Self-hostable
FINLAI designs8Digitalization PartnershipsLinz, AustriaDevelops digitalization partnerships, local IT security software (NoRisk), and AI agents for sole proprietors and SMEs.
Open source
Probo58SMB SoftwareTel Aviv, Israel$2.5MOpen-source compliance solution for startups to achieve SOC 2, ISO 27001, and HIPAA.
Open source · Self-hostable
Vocode50Open SourceSan Francisco, United States$3.8MOpen-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49Conversational AIBerlin, Germany$13.0MOpen-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable