Zimbra Collaboration alternatives

Bubble is a visual programming platform for building full-stack web applications without code, providing a drag-and-drop interface, database management, workflow automation, and hosting in a…

ActiveCampaign is a marketing automation and CRM platform that combines email marketing, automation workflows, sales CRM, and messaging. It helps businesses personalize customer experiences…

Abnormal Security uses behavioral AI to detect and prevent email attacks including business email compromise, phishing, and account takeover.

Brevo (formerly Sendinblue) is an all-in-one marketing platform offering email campaigns, SMS marketing, chat, CRM, and marketing automation. It provides affordable multi-channel communicati…

8x8 provides a unified cloud communications platform combining business phone, video conferencing, team messaging, and contact center in a single solution.

Domain name registrar and web hosting provider offering cheap domains, SSL certificates, email, and privacy protection for businesses and developers.

Industry-standard web hosting control panel providing server and website management tools for Linux-based hosting environments.

Independent email hosting service with custom domains, fast search, calendar, and contacts focused on privacy and speed without ads.

Arcjet provides security as code for developers with bot detection, rate limiting, email validation, and attack protection that integrates directly into application code.

Web hosting and server management platform for Linux and Windows with WordPress toolkit, security features, and developer extensions.

Lightweight web hosting control panel for Linux with fast performance, multi-level admin access, and automated SSL management.

Italian cloud hosting and web services provider for SMBs and agencies.

Business email and collaboration platform with on-premise and cloud deployment options.

Japanese shared email inbox SaaS used by 7,000+ Japanese companies.

Open-source multi-server hosting control panel for managing web, email, DNS, and FTP services with reseller support.

AI cold email deliverability platform with automated infrastructure.

Korean web hosting, domain, and business software provider.

Open-source collaboration and email platform for on-premise deployment in Europe.

HIPAA-compliant email, web, and forms hosting platform for healthcare and life sciences organizations.

Italian cloud, hosting, PEC email and digital signature provider.

Dutch private email with PGP encryption, aliases, and disposable addresses.

Bulk mailbox infrastructure platform providing cheap Google Workspace-grade inboxes for cold outreach.

Professional business email provider offering modern email hosting for small businesses.

Japanese shared hosting platform for SMB and creative websites.