One of the most popular alternatives to Signal is Telegram, which has a free version. Other popular alternatives are Element, Discord, Matrix and Tox. There's no shortage of Instant Messengers like Signal, with more than 100 alternatives for Android, iPhone, Windows, the web and Linux.
Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.
France
EU
Provides robust video meetings with up to 100 participants, screen sharing, real-time chat, cloud recording, whiteboard and document collaboration, AI-generated meeting summaries, seamless device switching, phone and messaging integration, and multitasking support.
United States
ArcaneChat is a Delta Chat client and was created with a focus on usability, good user experience, and saving data plan. Also the app usually experiments with new features that eventually might get added to the official Delta Chat client.
GermanyEU
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.
FranceEU
Decentralized messenger featuring end-to-end encryption for individual and group chats, no registration needed, no tracking or metadata logs, IP address protection, secure attachment sharing, multi-device sync, dark mode, open-source code, and ad-free use.
Switzerland
Fast SMS messenger with iOS 16 style interface. Free and no ads. Supports work with two SIM cards.
Cwtch - (a Welsh word roughly translating to “a hug that creates a safe place”) is a decentralized, privacy-preserving, multi-party messaging protocol that can be used to build metadata resistant applications.
Canada
Encrypted video meetings with unlimited participants, screen sharing, recording with secure storage, no data sale or registration, chat, reactions, calendar and background features, hosted entirely in Switzerland on renewable energy and compliant with strict privacy laws.
Switzerland
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
United States
Provides comprehensive communication features including group video calls, voice calls, fast messaging, photo sharing, and location mapping. Access through mobile and web platforms with real-time notifications, ensuring seamless interactions using multimedia tools.
United States
Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.
GermanyEU
Anonymous chat, voice, and video platform using end-to-end encrypted messaging powered by X3DH and XSalsa20-Poly1305, supporting secure user communities and group conversations, with no personal data needed for registration or operation.
United States
