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




Wire is described as 'The most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption' 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 iPad apps. The best Wire alternative is Signal, which is both free and Open Source. Other great apps like Wire are Telegram, Element, Discord and Tox.
Imo is a free, simple,secure and faster international video call & instant messaging app.




Quantum-resistant encrypted messaging, video/audio calls, and file transfers in the browser with optional registration and no downloads required.







TeleGuard is the data-secure messenger from Swisscows. TeleGuard encrypts every message and all telephone calls with encryption algorithm currently available: SALSA 20. TeleGuard servers are located in Switzerland, they are not subject to the data protection laws of the EU /...








VeilidChat is a 1-to-1, person-to-person text only chat application which serves as a technology demonstration for the Veilid application development framework. All communication is end to end encrypted, authenticated, private routed, and peer-to-peer. It's currently in early beta.



Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely, it is:

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.




A playful and interactive multimedia messaging app offering ephemeral photo and video sharing. Control view time, get alerts for screenshots, and engage with friends through gamified interactions and video calls.




Experience a new way to connect with your people online. Join an existing community space or launch your very own branded platform tailored to your audience.




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

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).



