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Open Babel is a project designed to pick up where Babel left off, as a cross-platform program and library designed to interconvert between many file formats used in molecular modeling and computational chemistry. Features currently include: * A huge variety of common chemical file formats * Recognition of file type based on filename extension * SMARTS matcher * Flexible atom typer * Gasteiger partial charge calculation * Hydrogen addition and deletion * Automatic feature perception (rings, hybridization, aromaticity) * Multiple conformer storage within molecules * Command line interface development class * Bitvector class * Open-source/Free Software under the GNU General Public License * Cross platform (Windows, Linux, Mac OS X, SGI, Solaris, Dreamcast...)

KeePass is a free open source password manager, which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key file. So you only have to remember one single master password or select the key file to unlock the whole database. The databases are encrypted using the best and most secure encryption algorithms currently known (AES and Twofish). This is the official KeePass application, which was originally only available for Windows, but has now been re-written with .Net and able to be run on BSD, Linux and Mac OS X with Mono.

Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. This is a new variant of Hellman's original trade-off, with better performance. It recovers 99.9% of alphanumeric passwords in seconds. Features: - Runs on Windows, GNU/Linux, FreeBSD, Mac OS X, etc. - Cracks LM and NTLM hashes - Free tables available for alphanumeric LM hashes - Brute-force module for simple passwords - Audit mode and CSV export - Real-time graphs to analyze passwords (optional) - Loads hashes from local and remote SAM - Loads hashes from encrypted SAM recovered from a Windows partition, Vista included - Supports soon to be released XP flash and Vista eight XL tables

lsh is a client that can connect to the corresponding lshd server. It uses the SECSH protocol, which means that it is compatible with SSH 2.0, except for file transfer, which is not part of SECSH. SECSH uses compression and encryption algorithms that are unencumbered, and lsh itself is GPL. lsh is not as feature-rich as OpenSSH, as it doesn't currently support password-protected keyrings, the SSH 1.X protocols, TCP wrappers, etc. On the other hand, it doesn't require OpenSSL, and doesn't take a lot of work to avoid patented algorithms. Port author's notes on usage and common problems can be found at

OpenBSM is an open source implementation of Sun's Basic Security Module (BSM) Audit API and file format. BSM, the de facto industry standard for Audit, describes a set of system call and library interfaces for managing audit records, as well as a token stream file format that permits extensible and generalized audit trail processing. OpenBSM extends the BSM API and file format in a number of ways to support features present in the Mac OS X and FreeBSD operating systems, such as Mach task interfaces, sendfile(), and Linux system calls present in the FreeBSD Linux emulation layer.

OpenBSM is an open source implementation of Sun's Basic Security Module (BSM) Audit API and file format. BSM, the de facto industry standard for Audit, describes a set of system call and library interfaces for managing audit records, as well as a token stream file format that permits extensible and generalized audit trail processing. OpenBSM extends the BSM API and file format in a number of ways to support features present in the Mac OS X and FreeBSD operating systems, such as Mach task interfaces, sendfile(), and Linux system calls present in the FreeBSD Linux emulation layer.

Bindings to OpenSSL libssl and libcrypto, plus custom SSH pubkey parsers. Supports RSA, DSA and NIST curves P-256, P-384 and P-521. Cryptographic signatures can either be created and verified manually or via x509 certificates. AES block cipher is used in CBC mode for symmetric encryption; RSA for asymmetric (public key) encryption. High-level envelope functions combine RSA and AES for encrypting arbitrary sized data. Other utilities include key generators, hash functions (md5, sha1, sha256, etc), base64 encoder, a secure random number generator, and 'bignum' math methods for manually performing crypto calculations on large multibyte integers.

This perl module provides support for the https protocol under LWP, so that a LWP::UserAgent can make https GET & HEAD & POST requests. Please see perldoc LWP for more information on POST requests. The Crypt::SSLeay package contains Net::SSL, which is automatically loaded by LWP::Protocol::https on https requests, and provides the necessary SSL glue for that module to work via these deprecated modules: Crypt::SSLeay::CTX Crypt::SSLeay::Conn Crypt::SSLeay::X509 Work on Crypt::SSLeay has been continued only to provide https support for the LWP - libwww perl libraries. If you want access to the OpenSSL API via perl, check out Sampo's Net::SSLeay.

In short: getting and installing SSL/TLS certificates made easy. The Let's Encrypt Client is a tool to automatically receive and install X.509 certificates to enable TLS on servers. The client will interoperate with the Let's Encrypt CA which will be issuing browser-trusted certificates for free. It's all automated: The tool will prove domain control to the CA and submit a CSR (Certificate Signing Request). If domain control has been proven, a certificate will get issued and the tool will automatically install it.

dar is a shell command that backs up directory trees and files. It has been tested under Linux, Windows, Solaris, FreeBSD, NetBSD, MacOS X and several other systems, it is released under the GNU General Public License (GPL). Since version 2.0.0 an Application Interface (API) is available, opening the way for external/independent Graphical User Interfaces (GUIs) like kdar. This API relies on the libdar library, which is the core part of DAR programs; as such, the API is released under the GPL. Consequently, to use the API, your program must be released under the GPL as well.