Open Source Customer Communication Platforms using CSS
A curated collection of the best open source platforms for managing communication with customers across multiple channels. using CSS.
Multi-channel notification infrastructure for apps
Stars
39,622Last commit
10 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:
Open-source cloud communications platform for developers
Stars
8,079Last commit
2 days 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
5,379Last commit
3 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:
Pay per email sent, not for contact storage
Stars
4,617Last commit
27 days agoLicense
AGPL-3.0
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.
Open Source Alternative to:
Powerful helpdesk solution for streamlined customer service
Stars
5,859Last commit
14 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 growth platform for customer-centric teams
Stars
4,068Last commit
18 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
3,330Last commit
16 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 communication platform
Stars
3,560Last commit
2 months agoLicense
Unknown
Versatile messaging solution for businesses to engage customers through multiple channels, with AI-powered automation and analytics.
Open Source Alternative to:
Open-source customer engagement platform for automation
Stars
2,910Last commit
5 months agoLicense
MIT
Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Open Source Alternative to:
Simplify AWS SES email management with ease
Stars
2,298Last commit
2 months agoLicense
MIT
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.
Open Source Alternative to:
AI-native support infrastructure for modern SaaS
Stars
714Last commit
16 days 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
56Last commit
24 hours 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:
Elevate customer support with AI-powered chat solutions
Stars
14Last commit
12 hours agoLicense
MIT
AI-enhanced live chat platform for seamless customer engagement, featuring chatbots, multichannel support, and advanced analytics.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t
Sent