ceofhack is the first implementation of EOF (Eris Onion Forwarding), the secure, peer-to-peer (p2p), decentralised anonymous chat network.
Collaborative Virtual Workspace
Collaborative Virtual Workspace is a collaboration software environment that provides a "virtual building" where teams can communicate, collaborate, and share information, regardless of their geographic location.
Cutlass is a cross-platform system for secure peer to peer communication, oriented towards small groups. It provides IM and file transfer. A major design goal is to be easy to use, even by non-security conscious users.
(commercial) Elvin is a publish-subscribe notification and messaging service. Message consumers use content-based subscriptions to request delivery of structured messages. The Elvin Router daemon has a modular architecture with support for TCP, UDP and HTTP transports, SSL security and XDR or XML message marshalling.
gmessage+ is a clone of xmessage for gnome. It displays text that is specified either on the command line, in a file, through a pipe, or through a socket. When using sockets, gmessage+ can be either the server or the client.
GnomeMsg is a IM system along with some task management capabilites. GnomeMsg attempts to aid in the software development, especially Distributed Development, to ensure that distance between the developers does not hinder development.
gPopUp is a way to send WinPopUp messages under Linux, using the Samba services. It works under Gnome.
A GTK2 based xmessage clone, gxmessage tries to be as compatible as possible. You might like it if you're running a mostly GTK desktop.
HighVIP allows users to send and receive secure and anonymous email, chat and exchange secure instant messages, and create secure message boards.
itc is an extremely easy to use threading messaging tool that is able to let you call code in other threads like regular function calls.
KSalup is an enhanced port of Winpopup for KDE. It also allows the user to send and receive Winpopup messages over a local network (LAN).
Linpopup is an X windows graphical port of Winpopup, running over Samba. It permits you to communicate with a windows computer that runs Winpopup, sending or receiving message.
Linux Internet Messaging Program
Linux Internet Messaging Program is a versatile system for cross platform messaging. Currently we have stable versions of the IMP client available for Windows, Linux/GTK+ and Linux/Console. These are known as wimp, glimp and limp.
MQ4CPP is an open source implementation of enterprise messaging system, also referred to as message-oriented middleware. MQ4CPP enables C++ application threads to communicate with other threads locally or remotely through the exchange of messages.
OMMS is the "Open Modular Message System". It uses plugins to support different kinds of message types like email, news, SMS, Fax, etc.
OpenChange intends to provide an implementation of Microsoft Exchange under Unix platforms.
Popper is a very simple, easy-to-use and functional network messager. It works using the Samba suite of programs, and is thus compatible with Microsoft Windows's messaging.
qMsg is a simple replacement for xmessage using QT3.
(commercial) QuickPopup is an easy way to communicate with everybody on your office, school and home network. It's cross-platform, ready to run on all flavors of Windows, Mac OS/Mac OS X and Linux.
RabbitMQ is an implementation of AMQP, the emerging standard for high performance enterprise messaging. The RabbitMQ server is based on a proven platform, Erlang/OTP, offering exceptionally high reliability, availability, and scalability. It delivers good throughput and latency performance that is predictable and consistent. The code base is compact and easily maintainable, facilitating rapid customization and hot deployment. The RabbitMQ distribution also includes a Java client that interoperates with any compliant AMQP server.
sendpage is a front end to the PET (also known as IXO or TAP) protocol used by many paging systems. It uses a disk based queue to store messages for delivery.
SendSNPP is a perl program for sending messages through a RFC1861 compliant SNPP server.
Sticker is an Elvin tickertape messaging and virtual presence client that provides a high degree of desktop integration and specialises in flexible handling of ticker messages.
tkmessage is a replacement for the standard X11 program xmessage. It displays a window containing a message from the command line, a file, or standard input. Along the lower edge of the message is a row of buttons; clicking the left mouse button on any of these buttons will cause tkmessage to exit. Which button was pressed is returned in the exit status and, optionally, by writing the label of the button to standard output.
wSilc is a graphical Silc client written using wxWindows.
XPA Messaging System
XPA Messaging System provides seamless communication between many kinds of Unix programs, including X programs and Tcl/Tk programs. It also provides an easy way for users to communicate with these XPA-enabled programs by executing XPA client commands in the shell or by utilizing such commands in scripts.
xsay is a notification tool for X. Simply running ?xsay ? will display that message in a ?bubble? on the top-right corner of the screen. If there is already a message displayed, the entered message will be queued and displayed once the user acknowledges the current message (for example, by clicking on it, or by running ?xsay -d?).