Best Customer Support Open Source Tools in 2026

Open Source Alternatives

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Open Source Alternatives

page-agent

stars 28.6Kforks 2.5K

AI-powered GUI Agent for your website

AI Agents Customer Support Workflow Automation+2

supertonic

stars 13.6Kforks 1.5K

Instantly convert text to speech with customizable options

AI Coding Assistant Chatbots Customer Support+1

Kollect Voice Agent

stars 10forks 1

Run real-time voice surveys with AI analysis and reporting

AI Agents User Feedback Management Chatbots+2

Twenty

stars 54.4Kforks 8.4K

Self-hosted open source CRM with a customizable data model

CRM Self Hosted Workflow Automation+4

PostHog

stars 37.6Kforks 3.2K

Track events, replay sessions, and run A/B tests, self-hostable

Web Analytics A/B Testing Feature Flag+5

Rocket.Chat

stars 45.9Kforks 13.8K

Self-hosted team chat with voice, video, and omnichannel support

Chat Self Hosted Customer Support+5

EspoCRM

stars 3.2Kforks 922

Self-hosted open source CRM for contacts and pipelines

CRM Self Hosted Sales Automation+5

LimeSurvey

stars 3.7Kforks 1.1K

Open source survey platform for complex questionnaires

User Feedback Management Data Visualization Self Hosted+4

UVdesk

stars 19.5Kforks 565

Helpdesk and ticketing on PHP/Symfony with workflow automation

Customer Support Knowledge Base Workflow Automation+4

Scoold

stars 921forks 231

Self-hosted Q&A platform for internal team knowledge

Knowledge Management Knowledge Base Self Hosted+5

Chatwoot

stars 35.7Kforks 8.6K

Self-hosted customer support platform with live chat and AI

Customer Support Chat Knowledge Base+4

UnInbox

stars 1.8Kforks 126

Open source collaborative email with shared team inboxes

Email Workflow Automation Self Hosted+3