GNU Mailman is a mailing list management software. Mailman project was started long time ago before the Millennium. Since its birth it has become the most intelligent tool for handling mailing lists ever. Huge number of companies with Fortune 500 members among them have been using Mailman for years. The new version Mailman 3 brings to us even better user experience and communication power.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
SAI360 - GRC Platforms
Sympa - Sympa is an open source (GNU GPL) mailing list management (MLM) software.
AuditBoard - AuditBoard is a platform that offers compliance and audit management that allows auditors to analyze, manage, and report the business operations.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
ERP Maestro - The best cloud SAP GRC and SoD solutions , giving companies automated access control tools for audit, compliance, risk management and security.