Free kolab server software for linux

Tail server allows you to export the output of a "tail -f" command of a log file to a TCP port, allowing it to be viewed remotely with telnet. Tail Server provides a regular expression filter to include or exclude output view.
In several circumstances the need to access on remote time-varying log file leads to write some simple scripts.
These files generated by applications like syslog, http, news, etc. are often located on different machines.
System Administrator usually logon on remote system then type:
# tail -f filename
Tail Server offers the possibliy to map on Tcp/Ip port the output of "# tail -f filename" without (each time) logging on remote systems.
Also offers output regular expressions filter in order to include or exclude strings.
Enhancements:
- Server Log File has been implemented.

kraskarta is an interactive map engine. It is based on Macromedia Flash technology with server scripts written in Perl with a PostgreSQL database.
kraskartas features include the ability to search for a street and address, for a bus route, and for information about objects.
Enhancements:
- This is the first open release after being proprietary code.

Messa is an instant messager client and server. The client has a curses interface and works on the console.

Messa project supports multilingual messages and private messages. The server supports monoprocess operation (without threads), the ability to choose the listening port, and the ability to run under the console.

CrossFTP Server is a professional FTP Server for multiple platforms. It is a high-performance, extremely configurable, and most of all a secure FTP server. CrossFTP Server has an easy-to-use GUI for user to configure the servers behavior.
Main features:
- 100% pure Java, free, open source FTP server.
- Multi platform support and multithreaded design.
- User virtual directory, write permission, idle time-out and upload/download bandwidth limitation support.
- You can monitor all the user activities.
- Anonymous login support.
- Both upload and download files are resumable.
- Handles both ASCII and binary data transfers.
- IP restriction support to allow/ban IPs.
- Database and LDAP can be used to store user data.
- All the FTP messages are customizable.
- Implicit/explicit SSL/TLS support.
- MDTM support - your users can change the date-time stamp of files.
- "MODE Z" support for faster data upload/download.
- Easy installation/update by Java Web Start technology.

The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system.

The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server.

The basic goal of the Linux Virtual Server Project is to:
- Build a high-performance and highly available server for Linux using clustering technology, which provides good scalability, reliability and serviceability.

Streamnik Server project is an IPTV server based on the open codecs Ogg/Vorbis and Ogg/Theora. It can stream a number of different channels and is optimized to run on leased (virtual) servers. The program schedule is defined by an SQL database table and can be changed at runtime.