Description: Mailman is an open source mailing list management system. It helps manage email discussion and announcement lists, allowing users to subscribe and unsubscribe, and helping admins moderate and post to the lists.
Type: software
Pricing: Free
Description: Olvid is an open-source, privacy-focused messaging app for iOS and Android. It provides end-to-end encrypted messaging using advanced cryptographic protocols to ensure messages remain confidential. Key features include contact discovery without disclosing phone numbers, Perfect Forward Secrecy, encrypted cloud backup, and encrypted group conversations.
Type: software
Pricing: Open Source