Psi+

Psi+

Psi+ is an open-source instant messaging client that supports multiple protocols including XMPP, IRC, Telegram, and more. It's cross-platform and offers features like tabbed chats, file transfers, encryption, and custom themes.
Psi+ image
opensource multiprotocol encrypted crossplatform customizable

Psi+

Open-source instant messaging client supporting multiple protocols with cross-platform features like tabbed chats and encryption

What is Psi+?

Psi+ is a popular open-source instant messaging application available for Windows, Linux, and macOS. It supports a wide range of messaging protocols out of the box including XMPP/Jabber, IRC, Telegram, and more. Some key features of Psi+ include:

  • Supports connecting to multiple accounts simultaneously across different protocols
  • Offers tabbed chat windows to easily manage multiple conversations
  • Allows file transfers, audio/video calls, and end-to-end encryption
  • Highly customizable with different themes, emojis, and interface languages
  • Available as a portable app requiring no installation
  • Active open-source development community

Psi+ is a great option for those seeking a unified messaging experience across major chat platforms. With robust features, broad protocol support, a customizable UI, and commitment to privacy, it's a full-featured alternative that stays true to the open-source spirit of communication apps like Pidgin.

Psi+ Features

Features

  1. Multi-protocol support (XMPP, IRC, Telegram, etc)
  2. Tabbed chat windows
  3. File transfers
  4. End-to-end encryption
  5. Customizable themes
  6. Plugin support
  7. Cross-platform (Windows, Linux, macOS)

Pricing

  • Open Source

Pros

Open source and free

Supports many popular chat protocols

Highly customizable appearance

Strong security with end-to-end encryption

Cons

Somewhat dated interface

Setup can be tricky for less tech-savvy users

Lacks some features found in more modern chat apps


The Best Psi+ Alternatives

Top Social & Communications and Instant Messaging and other similar apps like Psi+


Skype icon

Skype

Skype is a telecommunications software application that specializes in providing video chat and voice calls between computers, tablets, mobile devices, the Xbox One console, and smartwatches via the Internet. Skype also provides instant messaging services. Users may transmit text, video, audio and images.Skype was first released in August 2003. eBay...
Skype image
Rambox icon

Rambox

Rambox is a free, open source software that combines multiple communication and productivity tools into one easy-to-use application. It allows you to access services like email, chat, calendar, note-taking, and project management apps through a single interface, eliminating the need to have dozens of tabs and windows open.Some key features...
Rambox image
Pidgin icon

Pidgin

Pidgin is a popular open source chat application used primarily for instant messaging. It supports multiple mainstream chat protocols and accounts including AIM, ICQ, MSN, Yahoo, XMPP/Jabber, IRC, Bonjour, Gadu-Gadu, Novell GroupWise, Lotus Sametime, Zephyr, and more. This allows users to manage all of their instant messaging accounts and services...
Pidgin image
X-Lite icon

X-Lite

X-Lite is a popular free softphone application developed by CounterPath. It enables voice over IP (VoIP) calls over the internet, allowing users to make audio and video calls to other X-Lite users or other SIP-compatible devices and software.Some key features of X-Lite include:Free to download and use with no limitsSupports...
X-Lite image
Pandion icon

Pandion

Pandion is an open-source alternative for commercial personal analytics tools like RescueTime. It is designed to give users more control over tracking and visualizing their own online activity data for improved privacy and productivity.Key features of Pandion include:Open-source codebase that users can self-host for maximum privacyActivity tracking across applications, websites,...
Pandion image
Adium icon

Adium

Adium is a free and open source instant messaging application developed specifically for the macOS operating system. It supports many popular chat networks and protocols including AIM, ICQ, Google Talk, Yahoo Messenger, MSN Messenger, and Jabber/XMPP.Some key features of Adium include:A simple and easy-to-use interface that can be extensively customized...
Adium image
Trillian icon

Trillian

Trillian is a popular multi-protocol instant messaging client developed by Cerulean Studios. It enables users to simultaneously use multiple IM services and protocols, including AIM, ICQ, Windows Live Messenger, Yahoo Messenger, IRC, XMPP/Jabber, Bonjour, Gadu-Gadu, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, and Zephyr networks all from one application.Some key...
Trillian image
FreeConferenceCall.com icon

FreeConferenceCall.com

FreeConferenceCall.com is a popular free conference calling service that allows users to host conference calls with up to 1,000 participants. The service offers free audio conferencing as well as free video conferencing capabilities.Some key features of FreeConferenceCall.com include:Free audio conferencing for up to 1,000 participantsFree video conferencing in HD qualityScreen...
FreeConferenceCall.com image
Empathy icon

Empathy

Empathy is a free and open source instant messaging client that is designed for the GNOME desktop environment. It supports many popular chat protocols out of the box, including XMPP/Jabber, Facebook Messenger, IRC, Telegram, and more.Empathy makes use of the Telepathy framework to providecapabilities like audio/video calls, file transfers, and...
Empathy image
Hamsket icon

Hamsket

Hamsket is a free and open-source note taking application designed specifically for Windows. It provides a simple yet powerful platform for creating, organizing, and searching all your notes.Some key features of Hamsket include:Clean and intuitive interface - The app is designed to be very easy to use with an interactive...
Hamsket image
ChatSecure icon

ChatSecure

ChatSecure is an open source, encrypted messaging application developed by The Guardian Project for both iOS and Android platforms. It provides private and secure communications for activists, journalists, and everyday people around the world.Some key features of ChatSecure include:End-to-end encryption using protocols like OTR and OpenSSL to keep conversations confidential.Open...
ChatSecure image
Conversations icon

Conversations

Conversations is an open source, encrypted instant messaging client for Android. It enables secure communication by implementing the Off-the-Record encryption protocol and the Tor anonymity network to prevent eavesdropping and surveillance.Some key features of Conversations include:End-to-end encryption using OMEMO to keep chats, group chats, calls and file transfers private.Support for...
Conversations image
Gajim icon

Gajim

Gajim is a free, open-source instant messaging client that uses the XMPP protocol for encrypted communications. It allows you to chat with users on many XMPP-based networks like Google Talk, Jabber, and more.Some key features of Gajim include:End-to-end encryption for secure chatsSupport for group chatsCustomizable interfaces and themesFile transfers, audio/video...
Gajim image
Ripcord icon

Ripcord

Ripcord is a desktop chat application designed for efficient team communication and collaboration. It brings together messaging, voice and video calls, file sharing, and other essential communication tools into one easy-to-use app.Some key features of Ripcord include:Group messaging with threaded conversationsVoice and video calling for up to 10 participantsScreen sharing...
Ripcord image
IChat icon

IChat

iChat is an instant messaging and video conferencing application developed by Apple Inc. It was first released in 2002 for macOS as a replacement for Apple's previous IM application, Ichat AV.Some key features of iChat include:Real-time text, audio, and video chatGroup messaging with up to 100 peopleEnd-to-end encryption for enhanced...
IChat image
Zyptonite icon

Zyptonite

Zyptonite is a free, open-source code editor optimized for web development. It provides features like syntax highlighting, code completion, and GIT integration right out of the box to improve productivity.As a lightweight editor, Zyptonite loads quickly and will not slow down your computer. It is built with web technologies like...
CenterICQ icon

CenterICQ

CenterICQ is a free, open-source instant messaging application for Windows. It enables users to connect to multiple IM networks and chat services including ICQ, XMPP/Jabber, MSN, AIM, IRC, and more from a single application.Some of the key features of CenterICQ include:Supports popular IM protocols like ICQ, XMPP, MSN, AIMTabbed interface...
CenterICQ image
Ayttm icon

Ayttm

Ayttm is an open source, ad-free instant messaging client for Windows that supports connecting to many popular chat networks at once. It can connect to AIM, MSN, Yahoo, ICQ and other networks simultaneously through one easy-to-use interface.Key features of Ayttm include:Tabbed chat windows to easily switch between conversationsGroup chat capabilitiesCustom...
Ayttm image
Jabiru icon

Jabiru

Jabiru is an open-source eCommerce platform written in Java and built on open-source technologies like Spring, Hibernate, and Bootstrap. It offers a complete eCommerce solution for building customizable online stores with modern features.Some key capabilities and benefits of Jabiru include:Product catalog management - Add and manage products with images, variations,...
Kaiwa icon

Kaiwa

Kaiwa is an open-source, web-based chat client with a focus on privacy and security. It allows users to chat using various protocols like XMPP, IRC, Telegram and Matrix, without relying on centralized servers.Some key features of Kaiwa include:Encrypted peer-to-peer chat using OMEMO encryption over XMPPSupport for anonymous IRC chattingTelegram access...
Kaiwa image
OctroTalk icon

OctroTalk

OctroTalk is a business communication and collaboration platform that enables teams to connect through voice, video and text chat. It provides a secure and unified solution for team messaging, video conferencing, calling, screen sharing, file sharing and more.Key features of OctroTalk include:1-on-1 and group chat rooms for effective team communicationHD...
Pidgin on MacOSX icon

Pidgin on MacOSX

Pidgin is a free and open source chat client that can connect to many popular chat networks and protocols. It has native support for common protocols like IRC, XMPP/Jabber, Bonjour, and more. On MacOSX, Pidgin integrates well with the operating system to provide a native-feeling interface.Some key features of Pidgin...
Pidgin on MacOSX image
QutIM icon

QutIM

qutIM is a free and open-source instant messaging client originally developed for Linux operating systems. It supports multiple popular IM protocols and services including ICQ, XMPP (Jabber), Mail.Ru Agent, Facebook Messenger, Telegram, VKontakte (VK) and others.Some key features of qutIM include:Support for many different IM networks and protocols for conveniencePlugin...
Kadu icon

Kadu

Kadu is a free, open-source instant messaging client developed for Linux, Windows and macOS operating systems. Originally released in 2007, Kadu aims to be a lightweight and highly customizable IM solution.Some key features of Kadu include:Supports major IM protocols like Jabber/XMPP, Gadu-Gadu, Facebook Messenger, IRC, Telegram, and moreEncrypted messaging using...
Highfive icon

Highfive

Highfive is a cloud-based video conferencing solution that aims to provide an easy-to-use and high-quality meeting experience for small to medium businesses. Some key features of Highfive include:HD video and audio - Highfive uses advanced compression technology to deliver high-quality 1080p video and CD-quality audio.Screen sharing - Presenters can easily...
Highfive image
MCabber icon

MCabber

MCabber is a free, open-source, text-based multi-chat application for Linux, BSD, and other UNIX-like operating systems. It is designed for efficient communication in chat rooms and group conversations across different chat protocols.Some of the key features of MCabber include:Support for major chat protocols like XMPP/Jabber, IRC, Twitter, Telegram and more...
MCabber image