| Product | IceWarp is an all-in-one collaboration platform combining email, messaging, video conferencing, file sharing, and real-time document collaboration in one interface. | Kolab is a free and open-source communication and collaboration solution that can be run on your own infrastructure. |
| Security | The pricing page lists antivirus and antispam with Core, while the site footer displays ISO 9001, ISO 27001, ISO 27017, ISO 27018, ISO 29119-1, SOC 2, and HIPAA compliance badges. | The feature page lists PGP, two-factor authentication, DKIM/DMARC and spam protection among its email security features. |
