The filter-dkimsign OpenSMTPd filter signs outgoing e-mail messages with DKIM (RFC 4871).

Technology for Resting Email Encrypted Storage (TREES) is a NaCL-based Dovecot encryption plugin. This plugin adds individually encrypted mail storage to the Dovecot IMAP server. It is inspired by Posteo's scrambler which uses OpenSSL and RSA key pairs. TREES works in a similar way, but uses the Sodium crypto library (based on NaCL).

How it works:

1. On IMAP log in, the user's cleartext password is passed to the plugin.

2. The plugin creates an argon2 digest from the password.

3. This password digest is used as a symmetric secret to decrypt a libsodium secretbox.

4. Inside the secretbox is stored a Curve25519 private key.

5. The Curve25519 private key is used to decrypt each individual message, using libsodium sealed boxes.

6. New mail is encrypted as it arrives using the Curve25519 public key.

Headers of the Linux-Libre kernel.

Tarballs containing all the bootstrap binaries

Guile is the GNU Ubiquitous Intelligent Language for Extensions, the official extension language of the GNU system. It is an implementation of the Scheme language which can be easily embedded in other applications to provide a convenient means of extending the functionality of the application without requiring the source code to be rewritten.

GNU Binutils is a collection of tools for working with binary files. Perhaps the most notable are "ld", a linker, and "as", an assembler. Other tools include programs to display binary profiling information, list the strings in a binary file, and utilities for working with archives. The "bfd" library for working with executable and object formats is also included.

GCC is the GNU Compiler Collection. It provides compiler front-ends for several languages, including C, C++, Objective-C, Fortran, Ada, and Go. It also includes runtime support libraries for these languages.

Binaries used to bootstrap the distribution.

Guile is the GNU Ubiquitous Intelligent Language for Extensions, the official extension language of the GNU system. It is an implementation of the Scheme language which can be easily embedded in other applications to provide a convenient means of extending the functionality of the application without requiring the source code to be rewritten.

Guile is the GNU Ubiquitous Intelligent Language for Extensions, the official extension language of the GNU system. It is an implementation of the Scheme language which can be easily embedded in other applications to provide a convenient means of extending the functionality of the application without requiring the source code to be rewritten.

XMLtoMan and XMLMantoHTML are two small scripts to convert xml to man pages in groff format or html. It features the usual man page items such as description, options, see also, etc.

man2html is a command-line tool for converting man pages into HTML format.

This package provides excerpts from the POSIX.1-2008 and TC1 standards (collectively, POSIX.1-2013) in manual page form. While the Linux man-pages project documents the system as it exists on Linux- and glibc-based systems, this package documents the portable software API as nominally implemented by many Unix-likes.

scdoc is a simple man page generator written for POSIX systems in C99.

This package provides traditional Unix "man pages" documenting the Linux kernel and C library interfaces employed by user-space programs.

mandoc is a suite of tools compiling mdoc, the roff macro language of choice for BSD manual pages, and man, the predominant historical language for UNIX manuals. It is small and quite fast. The main component of the toolset is the mandoc utility program, based on the libmandoc validating compiler, to format output for UTF-8 and ASCII UNIX terminals, HTML 5, PostScript, and PDF. Additional tools include the man viewer, and apropos and whatis.

Txt2man converts flat ASCII text to man page format.

Stdman is a tool that provides C++ stdlib documentation archived from cppreference as Groff-formated man pages, accessible from the man command.

libpipeline is a C library for manipulating pipelines of subprocesses in a flexible and convenient way.

Man-db is an implementation of the standard Unix documentation system accessed using the man command. It uses a Berkeley DB database in place of the traditional flat-text whatis databases.

GNU help2man is a program that converts the output of standard "--help" and "--version" command-line arguments into a manual page automatically.

qman is a modern, full-featured manual page viewer featuring hyperlinks,web browser like navigation, a table of contents for each page, incremental search, on-line help, and more. It also strives to be fast and tiny, so that it can be used everywhere.

Features:

• Index page that displays all manual pages available on the system, sorted alphabetically and organised by section

• Pages for apropos and whatis results

• Hyperlinks to other manual pages

• Hyperlinks for URLs and email addresses

• Hyperlinks to files or directories in the local filesystem

• In-page hyperlinks

• A table of contents for each manual page

• Incremental search for manual pages

• Incremental free page text search

• Command-line options similar to those of man (most importantly, -k and -f)

• Keyboard mappings similar to those of less

• Mouse support

• Navigation history

• On-line help

• Fully configurable using INI-style config files

• Manual page

This package is a fork of cmark, with GitHub-specific Markdown additions.

This package provides markdownify a Python library to convert HTML to Markdown.