Confirmed:Self-hosted on a VPS or dedicated server; paid hosting also offered
Confirmed:Self-hosted with Docker or Docker Compose, or Notifuse Cloud
Confirmed:Self-hosted on Vercel or any Node.js 22+ host
Hosted by the vendor
Code licenceDiffers
Partial:GPL-3.0-or-later (copyleft)
No:Business Source License 1.1 from v40 (converts to AGPL-3.0-or-later after four years); v39 and earlier AGPL-3.0
Partial:AGPL-3.0
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Model weights licenceDiffers
Confirmed:No separate model weights
Confirmed:No separate model weights
Confirmed:No bundled weights; AI agents connect through its MCP server
—
Commercial useDiffers
Partial:Yes under GPL-3.0 copyleft terms; no feature-gated edition
Partial:Production use and hosting for others allowed; six licensed features need a paid key
Partial:Yes, AGPL-3.0; you must share your source if you offer a modified version over a network
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Paid services needed?Differs
Partial:Software is free; you need an email transport such as SMTP, Amazon SES or SendGrid to send
Partial:Needs an email provider or SMTP server; licence key only for >3 workspaces, granular permissions, SES tenants, SSO, multilingual templates and audit log
No:Needs Amazon SES or PostShiba for sending, both paid; MongoDB, QStash and hosting have free tiers
Subscription
HardwareDiffers
Partial:VPS or dedicated server; PHP 8.2+ (Mautic 7), MySQL 5.7+ or MariaDB 10.2+; no RAM figure given
Unknown:No hardware figures; needs PostgreSQL 17 or newer
Unknown:Not checked yet
—
Operating systemsDiffers
Partial:Server with Apache, Nginx or IIS, PHP and MySQL/MariaDB; host OS not specified
Partial:Docker host with PostgreSQL; host OS not listed
Partial:Deployment requires Node.js 22+ hosting. No explicit Windows/macOS/Linux server support matrix was verified.
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Setup effortDiffers
Confirmed:Medium; install with Composer or the release zip and a web installer, plus a web server and database
Confirmed:Medium; Docker Compose or standalone Docker, then a setup wizard for admin, API endpoint and SMTP
Partial:Medium; deploy to Vercel or a Node.js host, then set up MongoDB, SES or PostShiba, QStash and DNS
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Stars over time
Switch to Growth % to compare projects of different sizes fairly.
Mautic
Notifuse
Mailcheap
Tracked daily since 16 Oct 2026. Dashed history: estimated from public records of when people starred the repo. Lines connect observations only; gaps contain no measured points.
Growth % starts at each project's first observed point in the shown range. Zero-star starts are unavailable.
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