One of the most popular alternatives to Plus Messenger is Signal, which is free and open source. Other popular alternatives are Telegram, WhatsApp, Zulip and Messenger. There's no shortage of Instant Messengers like Plus Messenger, with more than 50 alternatives for Android, iPhone, Windows, iPad and Mac.
Open-source, privacy-first, with a non-custodial multichain wallet, a built-in AI assistant and Agent Marketplace, escrow payments, and a trusted reputation — all inside your chats.
Lithuania
EU
Kik is way more than just messaging. It’s the easiest way to connect with your friends, stay in the loop, and explore – all through chat. No phone numbers, just pick a username.
United States
Telegram Desktop fork with Material Design and other improvements, which is based on the Telegram API and the MTProto secure protocol.
Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).
United States
Nekogram is an open-source third-party Telegram client with not many but useful mods.
Secure team messaging platform with organized topic-based conversations, real-time collaboration on Docs, Sheets, Slides, integrated calendar scheduling, one-click meetings, shared tasks and files, Google Workspace support, admin controls, compliance, and advanced search.
United States
Russia
Private messenger for Android with no phone number or email. Messages are end-to-end encrypted and travel over Tor and Nostr.
GermanyEU
A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.
ItalyEU
An encrypted instant messaging with video call and GPS features for android.
