Best European alternatives to WhatsApp in 2026

balsio.com

Project Management

Verified

Balsio is a work chat platform for teams, external collaborators, and AI agents. It lets users message anyone via work email, integrate AI agents via API or MCP, and even chat with WhatsApp contacts without sharing phone numbers.

Threema

Cybersecurity

EU Mentions

Threema is a privacy-focused encrypted messaging app that requires no phone number or email to register. It offers end-to-end encrypted chats, calls, and group messaging, storing minimal metadata and keeping user data off central servers.

Wire

Video Conferencing

EU Mentions

Wire is a secure messaging platform offering end-to-end encrypted chats, voice and video calls, and file sharing. It requires no phone number to sign up and supports multiple devices across desktop and mobile platforms.