The Threema Web application.

• UpdatedSep 25, 2025
• TypeScript

Open-source implementation of the Threema protocol in Go.

• UpdatedAug 8, 2022
• Go

ttth (talk to the hand) is an electron based desktop app for online services like WhatsApp, Threema, Telegram, Twitter, Google and several others.

• UpdatedNov 14, 2022
• JavaScript

Relay service for Threema Web push notifications.

• UpdatedSep 5, 2025
• Rust

Threema Gateway Message SDK for Python

• UpdatedFeb 11, 2025
• Python

Multi-platform messenger bot which provides updates on current COVID19 situation for Germany

• UpdatedAug 10, 2023
• Python

Threema messaging from Go

• UpdatedMar 7, 2023
• Go

The protocol used for communicating between the Threema mobile apps and a remote application (e.g. Threema Web).

• UpdatedApr 16, 2024
• Python

Rust SDK for Threema Gateway.

• UpdatedApr 7, 2025
• Rust

Threema protocol implementation in C++

• UpdatedNov 16, 2022
• C++

Sekurŝranko, an efficient and memory-safe Threema Safe server implementation in Rust.

• UpdatedMar 27, 2025
• Rust

WhatsAppChatBeautifier is a tool to render WhatsApp chats.

• UpdatedDec 1, 2021
• Ruby

Gateway MsgApi SDK - PHP

• UpdatedFeb 25, 2019
• PHP

Threema Gateway Client for Java

• UpdatedJun 17, 2025
• Java

Convert Threema export to nicely formatted HTML

• UpdatedJan 3, 2022
• Awk

A chat bot that notifies you about new paragliding cross-country flights.

• UpdatedMar 21, 2025
• Rust

3ma Backup Viewer lets you view your Threema backup files.

• UpdatedDec 21, 2017
• C#

Threema Gateway implementation for XenForo, offers two-step-authentication (or two-factor-authentication 2FA) for users

• UpdatedApr 24, 2018
• PHP

Custom Threema Safe server

• UpdatedSep 22, 2025
• Go

Threema Desktop | Unofficial implementation of web.threema.ch into a Desktop Client using ElectronJS

• UpdatedOct 5, 2023
• CSS