xtell allows you to send messages between computers running xtell server. It is easy to use in scripts (i.e. to notify you when you get a mail or something else happens) or as a network-aware replacement for write(1). It was originally based on Michael Bacarella's ident2 server and Jozef Knepp's VMS implementation.
auth_ldap is an LDAP authentication module for the Apache Web server. Auth_ldap has excellent performance, due to its use of aggressive client-side caching algorithms. It also has support for LDAP over SS or TLSL. It also features a mode that lets Microsoft Frontpage clients manage their Web permissions while still using LDAP for authentication.
SOAP.py is an implementation of SOAP (Simple Object Access Protocol) in Python. It includes a general SOAP Parser based on sax.xml ( requires Python 2.0 ), a general SOAP Builder, a SOAP Proxy for RPC client code, and SOAP Server framework for RPC server code. SOAP.py handles all of the types in the BDG, handles faults, allows namespace specification, and SOAPAction specification. It supports Homogeneous typed arrays, multiple schemas, the mustUnderstand and actor headers, XML attributes, Multi-referencing. SOAP.py also has good interoperability and passes all client tests for Frontier, SOAP::LITE, and SOAPRMI encodings.
eSoap is a SOAP toolkit for C++. Server side programming of Web services can be done using mod_esoap (an Apache module that supports SOAP), Abyss (the native embedded HTTP server), and CGI. Client side programming implements one type of SOAP transport (HTTP) using two libraries (NanoHTTP/cURL). Examples of how to build Web services for Linux, Windows, and RTOS are provided.
ds3, short for dialup service 3, is a modem sharing server for Linux/UNIX. It allows no direct access to the modem/ISDN-adapter. Instead it provides a text based interface which can be accessed via telnet or by a client. Currently a java client, a gtk based client and a small gnome applet are available. Features of ds3 include user authentification and scripts or programs may be lauched through events created by users or triggered by an interval.
Keep in Touch aims to be a secure IM system for multiple platforms. It supports its own XML-based protocol as well as ICQ and AIM (toc). It provides encrypted connections between the server and client aswell as encrypted chat on all supported networks. The client can store contacts on the server allowing users to keep their contact lists between different locations.