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libcmime is a lightweight mime library, written in C. It attempts to be a general library for parsing and creating mime email messages and is designed to provide an easy to use and easy to integrate interface for developers. libcmime is a pretty fresh project so the library is still in beta state and there will be early and frequent releases.

The IMAP Proxy server is a caching IMAP proxy server. It was written to reduce the load that Webmail clients put on an IMAP server by keeping server connections alive for reuse, thus avoiding a new server connection for each Webmail transaction.

VMailMgr (short for Virtual MAIL ManaGeR) is a package of programs designed to manage multiple domains of mail addresses and mailboxes on a single host. It co-operates with qmail for mail delivery and program control. It features: * A password checking interface between qmail-popup and qmail-pop3d which replaces the usual checkpassword, as well as an authentication module for Courier IMAP, that provide access to the virtual mailboxes by one of three methods: o IP-based virtual server access (invisible to the POP3 user) o username-based access (username-virtualuser) o hostname-based access (virtualuser@virtual.host or virtualuser:virtual.host) * CDB-based password tables to speed up access for domains of any size. * Tools to setup a virtual domain, add and delete individual virtual users and aliases, and to change passwords. CGI programs to accomplish the * above tasks from a set of web pages. * A native PHP library to complement or replace the CGIs. * A daemon process that securely directs the operation of the CGIs and PHP code. * A separate delivery agent that automatically deals with any address inside a virtual domain from a single .qmail-default file.

spmfilter is a high-performance mail filtering framework, written in C. It attempts to be a general filtering framework for any purposes. Filtering mechanisms are provided by plugins, the API enables spmfilter plugins to access messages as they are being processed by the MTA. This allows them to examine and modify message content and meta-information during the SMTP transaction. Plugins are loaded at runtime and can be processed in any sequence, the processing chain can also be altered by a single plugin

The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization. VTK consists of a C++ class library and several interpreted interface layers including Tcl/Tk, Java, and Python. Kitware, whose team created and continues to extend the toolkit, offers professional support and consulting services for VTK. VTK supports a wide variety of visualization algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation. VTK has an extensive information visualization framework, has a suite of 3D interaction widgets, supports parallel processing, and integrates with various databases on GUI toolkits such as Qt and Tk.

This is a component of SPARK 2016. Those looking for the deductive program verification platform known as why3 should refer to math/why3 instead.

Library of elementary mathematical functions, probability and elliptic integrals in 80-bit (x86) or 128-bit long double precision.

The MPFR library is a C library for multiple-precision floating-point computations with exact rounding (also called correct rounding). It is based on the GMP multiple-precision library. The main goal of MPFR is to provide a library for multiple-precision floating-point computation which is both efficient and has a well-defined semantics. It copies the good ideas from the ANSI/IEEE-754 standard for double-precision floating-point arithmetic (53-bit mantissa).

Functions for Maximum Likelihood (ML) estimation and non-linear optimization, and related tools. It includes a unified way to call different optimizers, and classes and methods to handle the results from the ML viewpoint. It also includes a number of convenience tools for testing and developing your own models.

R-cran-miscTools is miscellaneous tools and utilities for R.