Open Source Alternatives to WhatsApp

Signal Logo

Signal

Speak freely with state-of-the-art end-to-end encryption.

★ 29,460 Updated: Oct 2026 Status: Active
Berty Logo

Berty

Secure peer-to-peer messaging app

★ 9,326 Updated: Oct 2026 Status: Active
CoyIM Logo

CoyIM

Secure chat client for XMPP

★ 617 Updated: Jul 2026 Status: Active
Kontalk Logo

Kontalk

Community-powered encrypted messaging

★ 575 Updated: Apr 2023 Status: Inactive
Snikket Logo

Snikket

A simple, secure messaging platform for friends and family.

★ 465 Updated: Sep 2026 Status: Active