Open Source Alternatives To WhatsApp

WhatsApp is a free messaging app that lets you send text, voice, and video messages to other WhatsApp users. Take a look at open source alternatives to WhatsApp below.
Berty
Communication

Berty

Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

License

Apache 2.0

Language

Go

Stargazers

7214

Forks

359

Open Issues

89

Coyim
Communication

Coyim

coyim - a safe and secure chat client

License

GPL V3

Language

Go

Stargazers

588

Forks

80

Open Issues

65

Kontalk
Communication

Kontalk

Kontalk official Android client

License

GPL V3

Language

Java

Stargazers

566

Forks

197

Open Issues

192

Lokinet
Social Media

Lokinet

Lokinet is an anonymous, decentralized and IP based overlay network for the internet.

License

GPL V3

Language

C++

Stargazers

1650

Forks

210

Open Issues

169

SchildiChat
Communication

SchildiChat

Matrix client / Element Web/Desktop fork

License

Apache 2.0

Language

Shell

Stargazers

348

Forks

39

Open Issues

73

Session
Communication

Session

Session Desktop - Onion routing based messenger

License

GPL V3

Language

TypeScript

Stargazers

1378

Forks

176

Open Issues

314

Signal Android
Communication

Signal Android

A private messenger for Android.

License

GPL V3

Language

Java

Stargazers

24695

Forks

5962

Open Issues

327

Snikket
Communication

Snikket

Image builder for Snikket server

License

Apache 2.0

Language

Lua

Stargazers

235

Forks

26

Open Issues

41

Speek
Communication

Speek

Privacy focused messenger that doesn't trust anyone with your identity, your contact list, or your communications

License

OSL-3.0

Language

C++

Stargazers

655

Forks

70

Open Issues

13