Free insight communications software for linux

Ice, the Internet Communications Engine, is middleware for the practical programmer. A high-performance Internet communications platform, Ice includes a wealth of layered services and plug-ins. Ice means simplicity, speed, and power.
Ice is available under the terms of the GNU General Public License (GPL). Commercial licenses are available for customers who wish to use Ice with proprietary products. Please contact sales@zeroc.com for more information.
Ice is currently available for C++, Java, C#, Visual Basic, Python, and PHP, and is supported on various operating systems. Additional operating systems and languages will be supported in future releases.
Ice consists of the following packages:
Slice The Specification Language for Ice. Slice establishes a contract between clients and servers, and is also used to describe persistent data.
The Slice Compilers Tools to compile from Slice into target languages, such as C++ and Java, or to automatically generate documentation from Slice files.
Ice The Ice core library. Among many other features, the Ice core library manages all the communication tasks using a highly efficient protocol (including protocol compression and support for both TCP and UDP), provides a flexible thread pool for multi-threaded servers, and additional functionality that supports extreme scalability with potentially millions of Ice objects.
IceUtil A collection of utility functions, such as Unicode handling and thread programming. (C++ only.)
IceBox An application server specifically for Ice applications. IceBox can easily run and administer Ice services that are dynamically loaded as a DLL, shared library, or Java class.
IcePack A sophisticated server activation and deployment tool. With IcePack, the complex task of deploying applications in a heterogeneous computer network is dramatically simplified. Simply write a deployment descriptor in industry-standard XML, and IcePack handles the rest.
Freeze Freeze provides automatic persistence for Ice servants. With just a few lines of code, an application can incorporate a highly-scalable evictor that efficiently manages persistent objects.
FreezeScript It is common for persistent data types to change, especially in large software projects. In order to minimize the impact of these changes, FreezeScript provides inspection and migration tools for Freeze databases. The tools support an XML-based scripting capability that is both powerful and easy to use.
IceSSL A dynamic SSL transport plug-in for the Ice core. It provides authentication, encryption, and message integrity, using the industry-standard SSL protocol.
Glacier One of the most difficult challenges for object middleware systems is security and firewalls. Glacier, the firewall solution for Ice, greatly simplifies the deployment of secure applications. Glacier authenticates and filters client requests and allows callbacks to the client in a secure fashion. In combination with IceSSL, Glacier provides a powerful security solution that is both non-intrusive and easy to configure.
IceStorm A messaging service with support for federation. In contrast to most other messaging or event services, IceStorm supports typed events, meaning that broadcasting a message over a federation is as easy as invoking a method on an interface.
IcePatch A patching service for software distributions. Keeping software up-to-date is often a tedious task. IcePatch automates updating of individual files as well as complete directory hierarchies. Only files that have changed are downloaded to the client machine, using efficient compression algorithms.
Enhancements:
- Various additions, including redundant IceGrid registries.

Libtubo Interprocess Communication is a small and simple library that can run processes in the background and communicate via the stdout, stderr, and stdin file descriptors.
The functionality of libtubo is similar to the glib function g_spawn_async_with_pipes(), except that all pipe setup and monitoring is taken care of.
The calling function only has to provide the functions with which to process the input/output of the remote process.
The library first appeared in the year 2000 in the xfce3 desktop as part of the xfsamba application, and is now available for use for other developers.
Enhancements:
- Some control bugfixes.
- The version has been updated to the xffm scheme, as this package is now distributed with xffm.

SAP R/3 Communications Suite allows SAP R/3 servers to communicate with external devices such as fax and GSM modems by sending and receiving a fax or SMS.

SAP R/3 Communications Suite provides an easy configuration through a Web interface and a JMX console.

Buni Meldware Communication Suite (MCS) is a platform-independent groupware package consisting of:
- Meldware Mail
- Meldware Calendar
- Meldware Webmail
- Meldware Secure Administration System
Together the package provides support for thousands of users concurrently to send and receive email and to schedule meetings. MCS uniquely allows you to store all messages and scheduling events in nearly any database and runs on nearly all popular software and hardware platforms.
MCS commitment to platform and database agnosticism aims to meet increasing business requirements to maximize ease and flexibility of managing and accessing data as well as putting a premium on interoperability.
Additionally, while the scheduling and calendaring services can be installed separately, the integrated feature set provides both a distinctive and powerful experience to both users and server-side Mail Based Applications and Collaboration Based Application Services.
The MCS platform provides security integration using LDAP sources including Microsoft Active Directory as well as flat-file and database sources.
Additionally, extensible security allows custom authentication/authorization sources.
Enhancements:
- This is the first milestone release with WCAP, freebusy for webmail, and mature IMAP all together.
- It has undergone extensive hardening, dogfooding, and QA testing.
- The WCAP protocol for calendaring now works well for Thunderbird and Lightning 0.3.
- Webmail calendaring was greatly improved.
- The abillity to download attachments has been added to the webmail interface.
- Numerous performance improvements have been made in SMTP, IMAP, and MIME parsing since 1.0-M7.

Station Info program searches for and displays AM, FM, and TV station entries from databases supplied by the US Federal Communications Commission (also known as the FCC).

The station-info program provides many ways of selecting a collection of stations for display, and several criteria by which these stations can be sorted.

Detailed information on each station is available, including an antenna radiation pattern, ownership information, and whatever else seems useful.

The program is currently available in source code form only. It has been developed and tested on a GNU/Linux platform, but should build without problem on any platform that supports the Gtk+ toolkit and the Gnome libraries.

Arithmetic Operations Simulation Librarys aim is to develop an open source library to simulate heavy arithmetic operations efficiently.
Finding different ways to solve a problem has been an interesting way to relax for many people. Not only they derive some kicks out of it, but as a side effect they develop much deeper insight into the problems enabling them to work out solutions under different constraints easily.
Here you will find discussion/hints to solve some common programming problems in efficient ways, supported with code that you can try.
DSP Programming Tricks
Often support for many heavy arithmetic operations goes missing to reduce the chip cost for marketability reasons, or during chip development stages. And we programmers have to make for the lack of these.
Accessing recent N items in history
This problem attracted my attention during DSP guest lectures by Mr. Ganesh Bhokare at PUCSD in later half of 2005. Various programming solutions to this problem would be.
Maintain a circular buffer in an array of N (or N+1) items. This will require support for MOD operation.
In case N is a power of 2, bitwise-anding with (N-1) can be used in place of MOD.
If neither N is a power of 2, nor MOD support is available?
Enhancements:
- This version supports finding the first 1/0 bit from left/right (lsb/msb), 16-bit unsigned numbers multiplication, division and mod operations, and also special cases of division by 3.

Automated Revision Control System is used to automatically monitor remote and local git, subversion, CVS, and even rsync repositories.
It notices changes and updates the local and remote repositories almost automatically. It requires either git, subversion, rsync, or CVS, and can be used for Web site maintainance, backup, communications, and many other purposes.
Enhancements:
- This release generally works a lot better to the extent that the authors are starting to using it for everyday file syncing and backup.

gnoMint is a Certification Authority management tool for GTK/Gnome.
gnoMint is a tool for an easy creation and management of Certification Authorities. It allows a fancy visualization of all the pieces that conform a CA: x509 certificates, CSRs, CRLs...
Currently, this first v0.1.0 allows the creation of CAs, CSRs and Certificates. It can export both public and private parts of them into PEM formatted files.
This is the first public release. It has known bugs, and it is not feature-completed yet.
However, gnoMint is now perfectly usable for managing a CA that emits certificates able to:
- Authenticate people or machines in VPNs (IPSec or other protocols);
- Secure HTTP communications with SSL/TLS secured web servers;
- Authenticate and cipher HTTP communications through web-client certificates;
- Sign and/or crypt e-mails
Enhancements:
- This version can import the public part of Certificate Signing Requests made by other applications as long as they are formatted in PEM or in DER formats.
- This way, gnoMint can make certificates for remote users or systems that can create their CSRs with other instances of gnoMint or other software.
- This version has updated its DB format, and ensures that there wont be two or more CSRs in the database with the same Distinguished Name (DN).
- It also fixes some nasty bugs.