Open Source Alternatives to Notification Warmy
4 open source Email Deliverability options similar to Notification Warmy, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Elementor69WebsiteRamat Gan, Israel$65.8MElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
Bitwarden57CybersecuritySanta Barbara, United States$100.0MOpen-source password manager for individuals, teams, and businesses.
Open source · Self-hostable
Countly55AnalyticsLondon, United Kingdom$1.1MProduct analytics and customer engagement platform built on an open-source, self-hosted foundation.
Open source · Self-hostable
Ghost53Publishing PlatformSingapore, Singapore$7.4MAn open-source platform for professional publishers to create, share, and grow a business around their content.
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| ElementorElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools. | Website | Open source · Self-hostable | Ramat Gan, Israel | $65.8M | 69 | |
| BitwardenOpen-source password manager for individuals, teams, and businesses. | Cybersecurity | Open source · Self-hostable | Santa Barbara, United States | $100.0M | 57 | |
| CountlyProduct analytics and customer engagement platform built on an open-source, self-hosted foundation. | Analytics | Open source · Self-hostable | London, United Kingdom | $1.1M | 55 | |
| GhostAn open-source platform for professional publishers to create, share, and grow a business around their content. | Publishing Platform | Open source · Self-hostable | Singapore, Singapore | $7.4M | 53 |