Imo is a free, simple,secure and faster international video call & instant messaging app.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad
United States




Wire is described as 'User-friendly messaging platform with end-to-end encrypted chats, voice and video calls, self-deleting messages, file sharing features, and customizable interface' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Wire for a variety of platforms, including Android, iPhone, Web-based, Windows and Mac apps. The best Wire alternative is Signal, which is both free and Open Source. Other great apps like Wire are Telegram, Element, Tox and bitchat.
Imo is a free, simple,secure and faster international video call & instant messaging app.




kChat is a secure instant messaging for businesses, which makes it possible to discuss matters live and organise projects.

Chat with anyone on X in a private, focused space built for conversation. No ads. No tracking. Fully end-to-end encrypted.



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).







Skred is the first secure peer-to-peer instant messaging app - No need for an email address or phone number to use it.
Skred is free, without subscription, without a provider, without a SIM card, and without leaving a trace.



Vector encompasses the ideals of freedom through free and open-source technology, using a "Privacy by Principle" approach. This means that privacy is not a feature or add-on, but the core foundation that Vector is built upon, which is granted and accessible to everyone.
Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.




Real-time chat platform structured with threads, custom feeds, project tagging, and AI moderation. Provides privacy controls, instant file and code sharing, multiple viewing modes, moderator tools, light/dark modes, and unifies collaboration for organizations and communities.

Cloud-based call center for small businesses offering easy setup; manages calls, auto dialer boosts engagement, real-time agent training and superb customer support.




KakaoTalk is a phone number based messenger service that allows users anywhere in the world to chat one-to-one or in a group for free. (no SMS service)




