#1
Novu is an open-source notifications platform with a unified API, workflow orchestration, and embeddable in-app inbox for email, SMS, push, and chat.
39.4k stars4.4k forkslast commit Actively maintained
7 self-hosted Customer.io alternatives
Customer.io is a data-driven customer engagement platform for creating automated, personalized messaging across email, SMS, push, and in-app channels. It includes segmentation, a visual journey/workflow builder, A/B testing, analytics, and integrations for campaign automation.
Alternatives to Customer.io
#2
Open-source, self-hosted platform to manage subscribers, run campaigns, and track analytics. Single Go binary with a Vue UI.
22.5k stars2.5k forksAGPL-3.0last commit Actively maintained
#3
Self-hosted open-source marketing automation platform with campaign builder, email/landing page editors, REST API, segmentation, and extensible plugins.
10.2k stars3.4k forkslast commit Actively maintained
Developer-focused platform for automated, omnichannel messaging (email, SMS, push, WhatsApp) with low-code journeys, segmentation, templates, and self-hosting.
2.9k stars368 forksMITlast commit Actively maintained
Open-source customer engagement and product onboarding platform for building event-triggered journeys and sending email, SMS, push notifications, and webhooks.
2.6k stars204 forkslast commit Actively maintained
#6
Open-source emailing platform for newsletters and transactional emails with a visual MJML builder, segmentation, A/B testing, analytics, and a REST API with webhooks.
2k stars216 forkslast commit Actively maintained
#7
phpList is an open source email marketing manager for newsletters and campaigns, with subscriber management, segmentation, scheduling, bounce handling, and analytics.
859 stars286 forksAGPL-3.0last commit Actively maintained
What replacing Customer.io actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 7 of 7 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT. In exchange you take on hosting, backups and updates yourself.
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