Top Alternatives to Psi+

Skype is a versatile communication platform offering free voice and video calls to other Skype users, as well as affordable calls to landlines and mobile phones worldwide. It provides instant messaging, file sharing, and screen sharing features, making it a comprehensive tool for personal and professional connectivity across various devices.

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.

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.

Trillian is a versatile, multi-protocol instant messaging client that unifies various communication platforms like IRC, XMPP, and more into a single, user-friendly interface. It's designed for both personal and team collaboration, offering features like encrypted chats, group collaboration tools, and extensive customization options.

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.

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.

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.

IM+ is a versatile instant messaging application designed to unify communication across multiple platforms. It supports a wide array of popular services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber, and even Slack. IM+ simplifies staying connected with friends, family, and colleagues, offering a centralized hub for all your chat needs.

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.

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.

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.

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.

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.

Conversations is a privacy-focused, open-source XMPP/Jabber client for Android. It offers robust end-to-end encryption using OMEMO and OTR, supports modern XMPP extensions, and provides a secure, decentralized messaging experience without relying on proprietary servers. It's an ideal choice for users prioritizing security and open standards.

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.

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

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.