Free rpc server software for linux

Darwin Calendar Server provides a CalDAV server.

The Darwin Calendar Server is a standards-compliant server that allows multiple users to collaboratively share calendaring information. It provides a shared location on the network to store schedules, and allows users to send each other and manage invitations.

In order to provide interoperability with multiple calendaring clients, the server implements the CalDAV protocol, which is an extension of WebDAV, which is in turn an extension of HTTP.

RIPE Whois Server provides support for domain records and lookups.

This is a whois database server. The RIPE Whois server uses a backend SQL database to allow support for very large repositories. There is support for IPv6 records and lookups. Both RPSL and RIPE181 are supported.

C++ Server Pages is a partial Java server pages and servlet implementation in C++. C++ Server Pages is written as Apache 2.0 modules, with the focus on performance.

Campus Chat Server project is a chat server intended for use in the Cadiz University campus network.
Enhancements:
- hash_maps are now used instead of maps, so the cost of lookup or insertion is O(1) in the average case, instead of O(logn).

DeniX Server OS is an independent Linux based distribution built from scratch by Denis Salmanovich. They aim to offer a user-friendly full-featured server operating system, pre-configured, well structured and easy to work with, and filled with the latest stable versions of Linux apps.
Its easy to install and configure. Every package is downloaded from the authors source and compiled when installed.
Main features:
- Domain Controller
- ADSL/CABLE Router (PPPoE)
- Network Firewall
- Anti Virus Gateway
- Anti Spam Gateway
- Mail Server (local & external) + Web Mail
- Calendar Sharing Support
- Network File Server
- DHCP Server
- TFTP BOOT Server
- WINS Server
- FTP Server
- VPN Server
- DNS Server
- DDNS Server
- MySQL Server
- HTTP Apache Server
- Remote Backup Solutions
- Remote control and administration
- Print Queue Server
- Proxy Server

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.

SOPE Application Server is an extensive set of frameworks (16 frameworks, ~1500 classes) which form a complete Web application server environment.
Besides the Apple WebObjects compatible appserver extended with Zope concepts, it contains a large set of reusable classes: XML processing (SAX2, DOM, XML-RPC), MIME/IMAP4 processing, LDAP connectivity, RDBMS connectivity, and iCalendar parsing.
The individual frameworks of the package can be used standalone (for example in Cocoa applications) and do not require the application server itself.
For MacOSX developers, the package includes SOPE:X, which contains special Xcode and Cocoa support for SOPE.
Enhancements:
- This release fixes a set of minor bugs.
- It improves the vCard parser, the IMAP4 client library, the MySQL adaptor, and BSD packaging.