Confirmed:Self-hosted on Vercel or any Node.js 22+ host
Confirmed:Self-hosted with Docker or Docker Compose, or Notifuse Cloud
Hosted by the vendor
Code licenceDiffers
Confirmed:MIT
Partial:AGPL-3.0
No:Business Source License 1.1 from v40 (converts to AGPL-3.0-or-later after four years); v39 and earlier AGPL-3.0
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Model weights licenceDiffers
Confirmed:No separate model weights
Confirmed:No bundled weights; AI agents connect through its MCP server
Confirmed:No separate model weights
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Commercial useDiffers
Confirmed:Yes, MIT
Partial:Yes, AGPL-3.0; you must share your source if you offer a modified version over a network
Partial:Production use and hosting for others allowed; six licensed features need a paid key
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Paid services needed?Differs
Partial:App is free; needs an email service such as Amazon SES, Postmark, SendGrid, Mailgun, Mailjet, Postal or SMTP
No:Needs Amazon SES or PostShiba for sending, both paid; MongoDB, QStash and hosting have free tiers
Partial:Needs an email provider or SMTP server; licence key only for >3 workspaces, granular permissions, SES tenants, SSO, multilingual templates and audit log
Subscription
HardwareDiffers
Unknown:No hardware figures; needs PHP 8.3+ and MySQL 5.7+ or PostgreSQL 10+
Unknown:Not checked yet
Unknown:No hardware figures; needs PostgreSQL 17 or newer
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Operating systemsDiffers
Partial:Any server with PHP 8.3+, Composer, a web server and MySQL or PostgreSQL; host OS not listed
Partial:Deployment requires Node.js 22+ hosting. No explicit Windows/macOS/Linux server support matrix was verified.
Partial:Docker host with PostgreSQL; host OS not listed
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Setup effortDiffers
Confirmed:Medium; git clone, composer install, configure a web server and database
Partial:Medium; deploy to Vercel or a Node.js host, then set up MongoDB, SES or PostShiba, QStash and DNS
Confirmed:Medium; Docker Compose or standalone Docker, then a setup wizard for admin, API endpoint and SMTP
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Stars over time
Switch to Growth % to compare projects of different sizes fairly.
SendPortal
Mailcheap
Notifuse
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.
Notes for a video or post
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