Open Source Marketing & Customer Engagement Tools using GitHub Actions

A curated collection of the best free and open source tools for reaching an audience, covering newsletters, social scheduling, notifications, link tracking and campaign analytics using GitHub Actions.

Postiz

Self-hostable social media scheduling tool with analytics, team collaboration and an API, covering platforms like X, Bluesky, Mastodon and Discord.

Alternative to:

Buffer

Schedule, analyze, and manage 30+ social media accounts

Stars
39,560
Forks
7,529
Last commit
4 days ago

Chatwoot

Self-hosted support desk that unifies live chat, email and social messaging in one inbox, with an AI agent and help center.

Alternative to:

Zendesk

Omnichannel customer support with a built-in AI assistant

Stars
38,455

Krayin

A Laravel and Vue CRM framework for small businesses and enterprises that want to own and extend customer lifecycle management.

Alternative to:

HubSpot

Self-hosted CRM for enhanced business relationships

Stars
24,071

Sink

A link shortener with analytics running entirely on Cloudflare, for individuals and small teams who want to host their own.

Alternative to:

Bitly

Simple, speedy, and secure link shortener with analytics

Stars
7,242

Mautic

Open source marketing automation for organizations that want to run campaigns on their own infrastructure and keep the contact data.

Alternative to:

HubSpot

Open source marketing automation for everyone

Stars
10,856

Kutt

A self-hosted URL shortener with custom domains, private link statistics, and an admin page for managing users and links.

Alternative to:

Bitly

Simplify your links with this free, modern URL shortener

Stars
11,179

Fonoster

A programmable telecommunications stack for developers who want voice applications and PBX features running on infrastructure they control themselves.

Alternative to:

Twilio

Open-source cloud communications platform for developers

Stars
8,152

useSend

Open-source email sending platform built on Amazon SES, covering transactional mail, marketing campaigns, contacts and delivery analytics from a single dashboard.

Alternative to:

Mailgun

Pay per email sent, not for contact storage

Stars
4,762

Erxes

Source-available experience operating system that unifies marketing, sales, operations and support in one self-hosted, plugin-based platform for growing businesses.

Alternative to:

HubSpot

Open-source growth platform for customer-centric teams

Stars
4,100

Shlink

PHP self-hosted URL shortener that serves short links from your own domain, driven by a REST API and a command line tool.

Alternative to:

Bitly

The definitive self-hosted URL shortener

Stars
5,378

Freescout

Lightweight PHP help desk and shared inbox that centralizes email, chat and social conversations, a self-hosted alternative to Zendesk and Help Scout.

Alternative to:

Zendesk

Open-source helpdesk for seamless customer support

Stars
4,619

LinkStack

Self-hosted link sharing platform where several users each build a customizable page of links, all managed from a shared admin panel.

Alternative to:

Linktree

Your digital identity, beautifully organized

Stars
3,926

Mixpost

A self-hosted social media scheduler for agencies, small businesses and creators who want publishing and analytics without per-seat pricing.

Alternative to:

Buffer

Self-hosted social media management without limits

Stars
3,876

Dittofeed

Omni-channel customer engagement platform for developers who want automated user journeys, broadcasts and message templates they can self-host.

Alternative to:

Segment

Open-source customer engagement platform for automation

Stars
3,026

Chaskiq

A messaging platform for marketing, support and sales teams, combining live chat, campaigns, bots and a help center.

Alternative to:

Zendesk

Open-source customer communication platform

Stars
3,579

Usertour

Open-source user onboarding platform for building in-app product tours, checklists, launchers and surveys, self-hosted with full control.

Alternative to:

Appcues

Create engaging product tours and user onboarding experiences

Stars
2,328

WR.DO

Domain services platform for people running their own domains, combining short links, mailboxes, subdomains, file storage and an open API.

Alternative to:

Bitly

Free DNS management and URL shortening platform

Stars
2,291

Sendportal

Self-hosted email marketing on Laravel, with subscriber lists, campaigns, tracking, and workspaces, sending through the provider you already use.

Alternative to:

Mailchimp

Self-hosted email marketing with unlimited everything

Stars
2,183

TryPost

A self-hosted social media scheduler that publishes natively to twelve networks from one calendar, with an AI copilot and MCP server.

Alternative to:

Buffer

Schedule posts to every major social network, self-hosted

Stars
758

Linky

Link-in-bio page builder whose blocks pull live content from Spotify, Instagram, TikTok and GitHub, for creators tired of stale pages.

Alternative to:

Linktree

A delightfully rich and dynamic link-in-bio.

Stars
798

Cossistant

Open source chat support widget for React, giving developers headless components, real-time messaging and the backend infrastructure behind them.

Alternative to:

Zendesk

AI-native support infrastructure for modern SaaS

Stars
737

Wraps

A code-first email platform that deploys sending infrastructure into your own AWS account, aimed at TypeScript developers who want to own the pipes.

Alternative to:

Mailgun

Code-first email platform that deploys to your AWS

Stars
66

Tiledesk

An open source live chat and chatbot platform for building customer support across web, WhatsApp, Messenger and Telegram from one script.

Alternative to:

Voiceflow

No-code platform to build AI agents and automate support

Stars
15

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Open Source Marketing & Customer Engagement Tools using GitHub Actions

A curated collection of the best free and open source tools for reaching an audience, covering newsletters, social scheduling, notifications, link tracking and campaign analytics using GitHub Actions.

Postiz

Chatwoot

Krayin

Sink

Mautic

Kutt

Fonoster

useSend

Erxes

Shlink

Freescout

LinkStack

Mixpost

Dittofeed

Chaskiq

Usertour

WR.DO

Sendportal

TryPost

Linky

Cossistant

Wraps

Tiledesk

Postiz

Chatwoot

Krayin

Sink

Mautic

Kutt

Fonoster

useSend

Erxes

Shlink

Freescout

LinkStack

Mixpost

Dittofeed

Chaskiq

Usertour

WR.DO

Sendportal

TryPost

Linky

Cossistant

Wraps

Tiledesk

Novu