Instant Messaging Softwares and Apps

Discover best Instant Messaging softwares, apps and websites.

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Jitsi

Jitsi

Open Source

Jitsi is a free and open-source suite of secure, flexible communication tools. It offers multi-platform support for voice (VoIP), video conferencing, and instant messaging, emphasizing privacy and ease of use with no account required to start a meeting.

Free and open source.
End-to-end encryption
Business & Commerce Development Office & Productivity OS & Utilities Social & Communications
Matrix.org

Matrix.org

Open Source

Matrix is an open network for secure, decentralized real-time communication. It provides a flexible protocol for developers to build collaborative applications like instant messaging, VoIP, and video conferencing, enabling seamless communication across different service providers.

Decentralized architecture increases resilience and prevents single points of fa...
Collaborative
Development Network & Admin Office & Productivity Social & Communications
RetroShare

RetroShare

Open Source

RetroShare is a secure, decentralized, and open-source communication platform built on a friend-to-friend network, offering encrypted file sharing, serverless email, instant messaging, and forums.

Strong emphasis on privacy and security through end-to-end encryption.
Anonymous Secure Filesharing
File Sharing Office & Productivity Social & Communications
Thunderbird

Thunderbird

Open Source

Thunderbird is a free, open-source email client developed by the Mozilla Foundation, offering robust features for managing multiple email accounts, integrated chat, and RSS feeds. Known for its extensibility and focus on user privacy and security.

Excellent multi-account management.
Built-in RSS reader
Office & Productivity Social & Communications
Signal

Signal

Open Source

Signal is a secure, open-source messaging application that uses end-to-end encryption to protect user communications. It offers text messaging, voice and video calls, group chats, and file sharing, all with a strong focus on privacy and security. Available on multiple platforms, Signal is a leading choice for individuals prioritizing confidential conversations.

Strongest end-to-end encryption by default for all communication types.
Built-in File transfer
Security & Privacy Social & Communications
ChatSecure

ChatSecure

Open Source

ChatSecure is a privacy-focused messaging application for iOS that leverages the robust and decentralized XMPP protocol. It offers strong end-to-end encryption using OTR and OMEMO, ensuring confidential communication.

Excellent end-to-end encryption with OTR and OMEMO.
Encrypted chat
Social & Communications
Tox

Tox

Open Source

Tox is a free, open-source, and secure peer-to-peer instant messaging and video calling protocol designed for strong privacy and censorship resistance. It provides end-to-end encrypted communications without reliance on central servers.

Decentralized architecture enhances privacy and censorship resistance.
Ad-free
File Sharing Network & Admin Office & Productivity Social & Communications
Off-the-Record Messaging

Off-the-Record Messaging (OTR) is a cryptographic protocol designed to provide secure, end-to-end encrypted instant messaging conversations for enhanced privacy and security.

Provides strong end-to-end encryption.
Encrypted chat
Social & Communications
Torchat

Torchat

Open Source

TorChat is a defunct decentralized anonymous instant messenger leveraging Tor hidden services for secure text communication and file sharing without central servers.

Strong anonymity through deep Tor integration.
Anonymity
File Sharing Social & Communications
Otr.to

Otr.to

Open Source

Otr.to is a secure, privacy-centric, browser-based chat client leveraging Off-the-Record (OTR) encryption. It offers peer-to-peer communication for enhanced anonymity and decentralization, making it a strong choice for private and secure instant messaging without requiring installations.

Strong OTR encryption for secure communication.
Browser based app
File Sharing Social & Communications
Empathy

Empathy

Open Source

Empathy is a versatile multi-protocol messaging client designed for text, voice, and video communication across numerous IM networks. It offers features like file transfers, location sharing, and integration with various services, providing a unified communication experience.

Supports a vast range of messaging protocols in one application.
Built-in File transfer
Social & Communications Travel & Location
Pidgin

Pidgin

Open Source

Pidgin is a free and open-source multi-protocol instant messaging client designed to connect users across various chat networks with a single application. It's highly extensible through plugins and supports a wide range of protocols including XMPP, ICQ, and IRC.

Supports a wide range of instant messaging protocols, consolidating multiple net...
Extensible by Plugins/Extensions
Online Services Social & Communications
Ricochet

Ricochet

Open Source

Ricochet is a peer-to-peer instant messaging application designed for maximum privacy and anonymity. It leverages the Tor network to connect users directly, eliminating the need for central servers and reducing metadata leakage.

Highly resistant to surveillance and censorship due to serverless and Tor-based ...
Peer-To-Peer
File Sharing Social & Communications
Xabber

Xabber

Open Source

Xabber is a free and open-source XMPP (Jabber) client for Android. It provides secure and reliable instant messaging with support for various XMPP features, including encryption, group chat, and decentralized communication. Leveraging the open XMPP protocol, Xabber offers a privacy-friendly alternative to centralized messaging platforms.

Strong focus on security and privacy through encryption and decentralized archit...
Encrypted chat
Social & Communications
Miranda NG

Miranda NG

Open Source

Miranda NG is a highly extensible, multi-protocol instant messaging client for Windows. A successor to the popular Miranda IM, it offers a modular architecture supporting numerous chat networks, allowing users to consolidate their conversations into a single interface. It's designed for resource efficiency and deep customization.

Connects to a wide range of chat networks
Extensible by Plugins/Extensions
Online Services Social & Communications
WeeChat

WeeChat

Open Source

WeeChat is a highly customizable, free and open-source command-line based chat client. Designed for efficiency and portability, it supports multiple protocols including IRC and XMPP, making it a versatile tool for connecting to various networks.

Extremely lightweight and fast performance.
Extensible by Plugins/Extensions
Social & Communications
YakYak

YakYak

Open Source

YakYak is an unofficial desktop client for Google Hangouts, providing a dedicated application experience outside of a web browser with features focused on convenience and improved usability.

Provides a dedicated desktop application for Google Hangouts.
Portable
Social & Communications
Coccinella

Coccinella

Open Source

Coccinella is a free and open-source, cross-platform XMPP/Jabber client. It offers secure instant messaging, group chat, voice chat, and a unique interactive whiteboard feature. Designed with privacy and security in mind, Coccinella provides encrypted communications and supports various communication protocols for a flexible messaging experience on Windows, macOS, and Linux.

Strong focus on security and privacy with end-to-end encryption.
Chat
Network & Admin Social & Communications
Adium

Adium

Open Source

Adium is a free and open-source instant messaging client for macOS, designed to connect to multiple chat networks simultaneously. Supporting protocols like Jabber (XMPP), Google Talk, AOL Instant Messenger (AIM), ICQ, MSN Messenger, and Yahoo! Messenger, Adium provides a unified interface for all your conversations.

Connects to multiple instant messaging networks within one application.
Customizable
Social & Communications
Openfire

Openfire

Open Source

Openfire is a powerful, open-source instant messaging and group chat server built on the XMPP protocol. It enables real-time communication, collaboration, and presence management for individuals and organizations, offering robust features and a modular architecture for customization.

Open source and free to use.
Group chat
Social & Communications
Ekiga

Ekiga

Open Source

Ekiga, formerly known as GnomeMeeting, is a free and open-source VoIP and video conferencing application. It allows users to make audio and video calls to other compatible SIP/H.323 clients and even landlines/mobile phones via integrated third-party services, offering a versatile communication solution.

Free and open-source with no licensing costs.
Video conferencing
Office & Productivity Social & Communications
Disa

Disa

Open Source

Disa is a unified messaging hub that consolidates conversations from various services like SMS, Facebook, and WhatsApp into a single interface, simplifying communication management.

Consolidates messages from multiple services into one app.
Extensible by Plugins/Extensions
Social & Communications
Kopete

Kopete

Open Source

Kopete is a versatile, free and open-source instant messaging client designed initially for the KDE Plasma desktop. It distinguishes itself by supporting a multitude of protocols, allowing users to connect to various chat networks from a single application.

Supports multiple instant messaging protocols in one application.
Chat
Online Services Social & Communications
Gajim

Gajim

Open Source

Gajim is a free and open-source instant messaging client for the XMPP protocol. Built using the GTK+ toolkit, it offers a wide array of features for secure and flexible communication, including encrypted chat, group conversations, multi-protocol support via gateways, and extensive customization options.

Strong focus on security and privacy with OMEMO/OTR encryption.
Encrypted chat
Social & Communications
Miranda IM

Miranda IM

Open Source

Miranda IM is a lightweight, open-source, multi-protocol instant messaging client designed specifically for Microsoft Windows. Known for its extensibility and resource efficiency, it allows users to connect to various chat networks simultaneously through a flexible plugin-based architecture.

Supports multiple chat protocols via plugins.
Chat
Online Services Social & Communications
qutIM

qutIM

Open Source

qutIM is a free and open-source, multi-protocol instant messenger designed for connecting to various networks including ICQ, Jabber, Mail.Ru, IRC, and VKontakte. It offers a unified interface for managing multiple accounts and conversations.

Connects to multiple popular messaging protocols
Support for Multiple protocols
Social & Communications
Tkabber

Tkabber

Open Source

Tkabber is a free and open-source instant messaging client specifically designed for the XMPP protocol. Built with the Tk toolkit, it offers a lightweight yet extensible platform for text-based chat, group conversations, and various interactive functionalities supported by XMPP.

Dedicated client for the XMPP protocol, ensuring strong compatibility.
Chat
Online Services Social & Communications
Bit Chat

Bit Chat

Open Source

Bit Chat is a secure, open-source, peer-to-peer instant messenger platform that prioritizes user privacy and security through robust end-to-end encryption and a decentralized network architecture. It empowers users with direct, encrypted communication, bypassing central servers and enhancing resistance to surveillance and censorship.

True peer-to-peer architecture enhances privacy and resilience.
End-to-end encryption
File Sharing Social & Communications
Psi

Psi

Open Source

Psi is a robust, open-source instant messaging client built on the XMPP protocol. It's known for its focus on speed, efficiency, and adherence to XMPP standards, offering a clean interface and strong privacy features for secure and reliable communication.

Dedicated XMPP support ensures compliance and reliability on the network.
Chat
Social & Communications
Rambox

Rambox

Open Source

Rambox is a FOSS and portable messaging and emailing application that consolidates numerous web services into a single, convenient interface. It supports a wide array of communication and collaboration platforms, including popular chat, email, and social media services, offering a unified experience with features like unified inbox and notifications.

Consolidates numerous communication services into one application.
Telegram
Social & Communications
Showing 1 - 30 of 37 results