Apps to Secure Chat

Otr.to is a secure, privacy-centric, browser-based chat client leveraging Off-the-Record (OTR) encryption. It offers peer-to-peer communication for enhanced anonymity and decentralization, making it a strong choice for private and secure instant messaging without requiring installations.

BlackBerry Messenger (BBM) was a pioneering instant messaging and videotelephony application, originally exclusive to BlackBerry devices, which expanded to support iOS, Android, and Windows Mobile. It facilitated secure text messaging, voice calls, and video calls.

TorChat is a defunct decentralized anonymous instant messenger leveraging Tor hidden services for secure text communication and file sharing without central servers.

Minds is an open-source and decentralized social networking service dedicated to online freedom, privacy, and monetization for content creators. It champions free speech and offers a platform that rewards users for engagement through a points and token system.

Threema is a secure and private messaging application that prioritizes user anonymity and data protection. It offers end-to-end encryption for all messages, calls, and files, requiring no phone number registration to enhance privacy.