Open Source Customer Communication Platforms
A curated collection of the best open source platforms for managing communication with customers across multiple channels..
Multi-channel notification infrastructure for apps
Stars
40,306Last commit
15 hours agoLicense
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Open Source Alternative to:
Omnichannel customer support with a built-in AI assistant
Stars
Stars growing over the last 30 days39,386Last commit
5 hours agoLicense
MIT
Manage customer conversations across live chat, email, WhatsApp, Instagram, and more from one inbox, with an AI assistant that suggests replies and automates common questions.
Open Source Alternative to:
Open-source cloud communications platform for developers
Stars
8,163Last commit
11 hours agoLicense
MIT
Build and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.
Open Source Alternative to:
The open-source, affordable email platform
Stars
5,595Last commit
2 days agoLicense
AGPL-3.0
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
Open Source Alternative to:
Powerful helpdesk solution for streamlined customer service
Stars
6,094Last commit
5 hours agoLicense
AGPL-3.0
Zammad is an open-source helpdesk software that centralizes customer communications and helps deliver great service experiences efficiently.
Open Source Alternative to:
Open-source helpdesk for seamless customer support
Stars
4,652Last commit
23 hours agoLicense
AGPL-3.0
Self-hosted email management system with shared inboxes, automation, and powerful collaboration features for efficient customer support.
Open Source Alternative to:
Open-source growth platform for customer-centric teams
Stars
4,111Last commit
5 hours agoLicense
AGPL-3.0
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Open Source Alternative to:
Open-source ticketing system for streamlined support
Stars
3,488Last commit
20 hours agoLicense
AGPL-3.0
Frappe Helpdesk consolidates customer issues, automates workflows, and empowers self-service to boost agent productivity and customer satisfaction.
Open Source Alternative to:
Open-source customer engagement platform for automation
Stars
3,053Last commit
28 days agoLicense
MIT
Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Open Source Alternative to:
Open-source customer communication platform
Stars
3,582Last commit
4 months agoLicense
Unknown
Versatile messaging solution for businesses to engage customers through multiple channels, with AI-powered automation and analytics.
Open Source Alternative to:
AI-native support infrastructure for modern SaaS
Stars
739Last commit
2 months agoLicense
AGPL-3.0
Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.
Open Source Alternative to:
Code-first email platform that deploys to your AWS
Stars
67Last commit
2 days agoLicense
AGPL-3.0
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.
Open Source Alternative to:
No-code platform to build AI agents and automate support
Stars
16Last commit
6 days agoLicense
MIT
Build AI chatbots, automate customer support workflows, and connect live agents across web, WhatsApp, email, and voice with a no-code visual designer.
Open Source Alternative to:
Windshift – The self-hosted platform that replaces Jira.
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InfluxDB