Keila vs Plunk

Comparing two open source alternatives to Mailchimp and Klaviyo and Campaign Monitor . Use the comparison below to decide which one fits your needs.

Keila

AGPL-3.0

Open Source Newsletter Tool and Mailchimp alternative for creating campaigns and sign-up forms.

AGPL-3.0

Open-source email platform for sending transactional and marketing emails, self-hostable with a clean API.

	Keila	Plunk
License	AGPL-3.0	AGPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	2,091	5,064
Forks	147	342
Open Issues	70	31
Last Commit	May 8, 2026	May 11, 2026
First Released	Jan 1, 2021	Jul 12, 2024
Categories	Email Marketing & Newsletters Tools	Email Marketing & Newsletters Tools
Tags	#newsletter #email marketing #marketing	#email marketing #newsletter #automation #email notifications

A free and open-source Laravel CRM for SMEs and enterprises with full customer lifecycle management.

A modern, open-source CRM by the Frappe team, built for sales teams to manage leads and deals efficiently.

A free and open-source ERP and CRM platform for businesses, foundations, and freelancers of any size.

Open source CRM platform for managing contacts, leads, sales pipelines, and customer relationships.

Open-source marketing automation platform with email campaigns, lead management, and multi-channel marketing.

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.