Zimbra is the trusted email and collaboration platform and productivity suite that includes contacts, calendar, tasks, chat and file sharing, plus videoconferencing, document editing, and file storage. Built on an open source core, it features a modern interface, pre-integrations with popular third-party apps like Zoom, Slack and Dropbox, and can be deployed in the cloud or in on-prem and hybrid environments. Enterprises, governments, financial institutions, service providers and remote teams around the world rely on Zimbra to support complex privacy, data sovereignty and security requirements. Today, Zimbra powers hundreds of millions of mailboxes on desktop and mobile devices in more than 140 countries, and is offered by more than 500 BSPs and 2,000 channel partners. Also available now for small and medium-sized business is Zimbra Cloud, starting at $2.95 per month for 30 GB of storage. Visit www.zimbra.com to learn more and begin a free trial.
Calamari is an HR system that covers absence and attendance management, time tracking, and employee documentation management. You can choose which modules you want to use and pay only for them. Calamari app is available in 5 languages: Polish, English, Spanish, German, and French. We offer helpful integration with the most popular business apps companies use daily.
iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).
Sage HR - Sage HR is a one-stop shop for your HR management needs. Your HR - simplified!
Roundcube - Web-based IMAP email client
Absence - Employee vacation tracking system
mailcow - An open source mailserver suite.
TimeOffManager - TimeOffManager.com provides a fully automated online system for tracking and managing employee absence, leave, paid time-off and attendance.