can i fork it?
open sourcecm0zfiowb00pj94snnh6jzvs0Self-host★ 575active oct 2021

Kontalk

Free, encrypted, community-driven communication.

Technical Profile & Specs

verified 2026-11-04

Cost
$0 / forever (Open Source)
License
cm0zfiowb00pj94snnh6jzvs0
Hosting Model
Self-host (your server)
Platforms
webself-hosteddocker to self-host
Installation
Clone https://github.com/kontalk/androidclient or deploy with Docker Compose
Operational Setup
Deploy via Docker or binary release from GitHub and configure environment variables.
Where Your Data Lives
All application data and configuration live on your own server or local database.
The Catch / Trade-off
Requires self-hosting setup, updates, and server maintenance compared to managed WhatsApp Business.

Replaces 1 paid app

up to $15/mo ($180/yr) in subscriptions

Kontalk FAQ

Common questions

Is Kontalk free and open source?+

Kontalk is an open-source tool licensed under cm0zfiowb00pj94snnh6jzvs0 that runs on self-host. Free, encrypted, community-driven communication.

What paid software does Kontalk replace?+

Kontalk serves as a free replacement for 1 paid SaaS application: WhatsApp Business, saving up to $15/month ($180/year) in subscription bills.

How do you install and set up Kontalk?+

Installation: Clone https://github.com/kontalk/androidclient or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.

What is the catch or trade-off with Kontalk?+

Requires self-hosting setup, updates, and server maintenance compared to managed WhatsApp Business.