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
Description: Substack is an email newsletter platform that allows writers and publishers to easily create, design, and distribute email newsletters. It aims to let freelance writers and bloggers build direct relationships with readers.
Type: software
Pricing: Subscription