cryptlib is a powerful security toolkit that allows even inexperienced crypto programmers to easily add encryption and authentication services to their software. It provides support for S/MIME and PGP/OpenPGP secure enveloping, SSL/TLS and SSH secure sessions, CA services such as CMP, SCEP, RTCS, and OCSP, and other security operations such as secure timestamping. 
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cryptlib provides an extensive range of other capabilities including full X.509/PKIX certificate handling (all X.509 versions from X.509v1 to X.509v3) with additional support for SET, Microsoft AuthentiCode, Identrus, SigG, S/MIME, SSL, and Qualified certificates, PKCS #7 certificate chains, handling of certification requests and CRLs including automated checking of certificates against CRLs and online checking using RTCS and OCSP, and issuing and revoking certificates using CMP and SCEP. In addition cryptlib implements a full range of certification authority (CA) functions, as well as providing complete CMP, SCEP, RTCS, and OCSP server implementations to handle online certificate enrolment/issue/revocation and certificate status checking. Alongside the certificate handling, cryptlib provides a sophisticated key storage interface that allows the use of a wide range of key database types ranging from PKCS #11 devices, PKCS #15 key files, and PGP/OpenPGP key rings through to commercial-grade RDBMS' and LDAP directories with optional SSL protection.

cryptlib is a powerful security toolkit that allows even inexperienced crypto programmers to easily add encryption and authentication services to their software. It provides support for S/MIME and PGP/OpenPGP secure enveloping, SSL/TLS and SSH secure sessions, CA services such as CMP, SCEP, RTCS, and OCSP, and other security operations such as secure timestamping. 

Cryptlib - provides Encryption and Authentication Service

OpenPAM is an Pluggable Authentication Module (PAM) library that focuses on simplicity, correctness, and cleanliness. Its aim is to gather the best features of Solaris PAM, ?XSSO and Linux-PAM, plus some innovations of its own. In areas where these implementations disagree, OpenPAM tries to remain compatible with Solaris, at the expense of XSSO conformance and Linux-PAM compatibility. 

OpenPAM - Linux Pluggable Authentication Module

Searchdaimon is an open source search engine for corporate data and websites. It comes with a powerful administrator interface and can index websites and several common enterprise systems like SharePoint, Exchange, SQL databases, Windows file shares etc. It also supports many data sources (e.g., Word, PDF, Excel) and the possibility of faceted search, attribute navigation and collection sorting.

Searchdaimon - Enterprise Search

CMUSphinx toolkit is a speech recognition toolkit with various tools used to build speech applications. CMU Sphinx toolkit has a number of packages for different tasks. Pocketsphinx — lightweight recognizer library written in C, Sphinxbase — support library required by Pocketsphinx, Sphinx4 — adjustable, modifiable recognizer written in Java, CMUclmtk — language model tools, Sphinxtrain — acoustic model training tools, Sphinx3 — decoder for speech recognition research written in C.


CMU Sphinx - Toolkit For Speech Recognition

pgpool-II is a middleware that works between PostgreSQL servers and a PostgreSQL database client. It supports connection pooling,  Using the replication function enables creating a realtime backup on 2 or more physical disks, so that the service can continue without stopping servers in case of a disk failure, Load balance the queries, It can execute queries in parallel to multiple servers. 

Pgpool - Middleware between PostgreSQL Client and Server

Distro Astro has features for almost all astronomy use—from observatories, planetariums, and professional researchers, to astrophotographers and amateur enthusiasts. The INDI Library built into Distro Astro provides telescope control for the most common telescopes from Meade, Celestron, Orion, and other major telescope brands. Nightshade is an advanced planetarium software for fish-eye dome projections developed by planetarium provider Digitalis Education. 
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Distro Astro includes tools for astrophotography. Capture software wxAstroCapture was written specifically with astronomy in mind. The distribution has preinstalled IRAF, XGTerm, XImtool, and SAOImage DS9 for reduction and analysis of astronomical data. Distro Astro contains plenty of software useful for astronomy educators. It contains event prediction software such as XEphem, AstroCC Coordinate Converter, Astronomy Lab 2, and command line tools ephem and aa.

Distro Astro has features for almost all astronomy use—from observatories, planetariums, and professional researchers, to astrophotographers and amateur enthusiasts. The INDI Library built into Distro Astro provides telescope control for the most common telescopes from Meade, Celestron, Orion, and other major telescope brands. Nightshade is an advanced planetarium software for fish-eye dome projections developed by planetarium provider Digitalis Education. 

Distro Astro - Linux Distribution for Astronomers

Lua is a powerful, fast, lightweight, embeddable scripting language. Lua combines simple procedural syntax with powerful data description constructs based on associative arrays and extensible semantics. Lua is dynamically typed, runs by interpreting bytecode for a register-based virtual machine, and has automatic memory management with incremental garbage collection, making it ideal for configuration, scripting, and rapid prototyping. 

Lua - Embeddable Scripting Language. 

Libev is a high-performance event loop, supporting eight event types (I/O, real time timers, wall clock timers, signals, child status changes, idle, check and prepare handlers). It uses a priority queue to manage timers and uses arrays as fundamental data structure. It has no artificial limitations on the number of watchers waiting for the same event. 

Libev - High performance full-featured event loop written in C

rsync is a file transfer program for Unix systems. rsync uses the rsync algorithm which provides a very fast method for bringing remote files into sync. It does this by sending just the differences in the files across the link, without requiring that both sets of files are present at one of the ends of the link beforehand. It can update whole directory trees and filesystems. It can use rsh, ssh or direct sockets as the transport.

rsync - incremental file transfer program for Unix systems

sync is a lightweight utility to synchronize files between two directories on a system or between multiple systems. It synchronizes bidirectionally and allows the user to keep two copies of files and directories in sync. csync uses widely adopted protocols, such as smb or sftp, so that there is no need for a server component. It is a user-level program which means you don’t need to be a superuser or administrator.

csync -  A professional file synchronizer for normal users

The Ext2 Filesystem Utilities (e2fsprogs) contain all of the standard utilities for creating, fixing, configuring , and debugging ext2 filesystems. It contains utilities like e2fsck, mke2fs, debugfs, dumpe2fs, tune2fs, dump, defrag and most of the other core ext2fs filesystem utilities. 

e2fsprogs - Ext2 Filesystems Utilities

PortAudio is a free, cross-platform, open-source, audio I/O library.  It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms. It provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.

PortAudio - Cross-platform Audio I/O Library

The Spice project aims to provide a complete open source solution for interaction with virtualized desktop devices. Its main focus is to provide high-quality remote access to QEMU virtual machine. Seeking to help break down the barriers to virtualization adoption by overcoming traditional desktop virtualization challenges, emphasizing user experience. For this purpose, Red Hat introduced the SPICE remote computing protocol that is used for Spice client-server communication.

Spice - Solution for interaction with Virtualized Desktop Devices

Midori is a fast little WebKit browser with support for HTML5. It can manage many open tabs and windows. The URL bar completes history, bookmarks, search engines and open tabs out of the box. Web developers can use the powerful
web inspector that is a part of WebKit. Individual pages can easily be turned into web apps and new profiles can be created on demand.

Midori - Fast and Lightweight Web Browser

The Sigar API provides a portable interface for gathering system information such as System memory, swap, cpu, load average, uptime, logins, Per-process memory, cpu and lot more. This information is available in most operating systems, but each OS has their own ways providing it. SIGAR provides developers with one API to access this information regardless of the underlying platform.


SIGAR - System Information Gatherer And Reporter

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