Free software for mac computers software for linux

Ivy is a simple protocol and a set of open-source libraries and programs that allows applications to broadcast information through text messages, with a subscription mechanism based on regular expressions.
Ivy libraries are available in C, C++, Java and Perl, on Windows and Unix boxes and on Macs. Several Ivy utilities and hardware drivers are available too.
Ivy is currently used in research projects in the air traffic control and human-computer interaction research communities as well as in commercial products. It is also taught to CS students.
Ivy is a CENA product.
Main features:
- Ivy is not based on a centralised server. Actually, Ivy is mostly a communication convention, implemented through a collection of libraries for various languages and platforms. The current version of the Ivy protocol is version 3, which has been stable for the last 3 years.
- Language bindings are available in C (Unix and Windows), C++ (Mac, Unix, Windows), Java and Perl. There have been successful uses through the C library
- Messages are formatted in text, and subscriptions are based on regular expressions. Plans to move to an XML-based subscription language are on their way.
- From the programmers point of view, Ivy is an information broadcasting channel. The main functions are:
- connecting to a bus. Example: IvyInit (b, "192.126:2011")
- sending a message. Example: IvySend (b, "HELLO %s", world)
- binding a message pattern to a callback function. Example: IvyBind (b, "HELLO (.*)", cb)
- the main loop. Example : IvyLoop ()
- Subscriptions are managed on the emitters side, which limits the actual network traffic.
- Direct point-to-point messages are also available.
- Ivy was designed by a research group in Human-Computer Interaction, with the goals of connecting applications written on different toolkits/languages/platforms (such as an OpenGL application on a SGI connected to a PerlTk application on a Linux box), while keeping it simple: no server to be lauched and supervised, a simplistic API, and a communication model compatible with classical event-based GUI progamming. We think we have somewhat reached our goal...
Enhancements:
- This release mostly contains bugfixes and code cleanup.

Reason is an application/network security scanner client for Nessus and Nessus compatible (OpenVAS etc.) servers.

In addition to an improved user interface, it provides complete session management, templates, and report generation using XSLT.

It is cross-platform, with platform specific releases available for Linux, Mac, and Windows, written in Java using SWT for a native experience, and it is open-source.

trackpeer is an agent program that helps network and server administrators with tracking users computers.

It makes it possible to determine the MAC addresses of computers over a network, even when the computers are behind NATed gateways.

This agent program is intended to be used by the administrators who need to identify and locate malicious computers (users) and virus-infected computers in a network such as middle-sized Wireless LAN system, public ethernet jack system, and campus or corporate network.

The program will also be useful for a simple MAC-address-based authentication over a network.

Using MAC addresses has several advantages over other computer/user identification methods, since every ethernet interface has its unique MAC address that cannot be changed easily in many cases.

The agent program has two features, MAC address informing and MAC address logging.

`trackpeerd and `trackpeer are an agent program and a simple client program, respectively. The agent program should run on a gateway (or a packet capturing machine beside it) which resides in the same network segment as the client computers are. We call the router ``frontline router. The agent listens to the communication through the router and caches packets header information.

The client program trackpeer is used when an administrator or a server program would like to know the MAC address of a specific peer, just after a communication action is taken by the peer.

trackpeer provides the agent with the source/destination addresses of a packet, the port numbers of the packet, and the time of the packets arrival. The agent looks into its internal cache memory, picks up the address information that matches the query, and provides the server with the information.

In other words, the server asks the agent,
`` Whos knocked the door at around HH:MM.SS? .

The agent will forget the address information after a certain period of time (10mins) has passed.