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Open source software used by Bitdefender GravityZone management appliance

Software Name

Short Description

License Type



phpseclib provides pure-PHP implementations of SSH2, SFTP, RSA, DSA, Elliptic Curves, AES, ChaCha20, X.509, CSR, CRL, SPKAC, etc.phpseclib



Bzip2 is a free and open-source file compression program that uses the Burrows–Wheeler algorithm. It only compresses single files and is not a file archiver.



c-ares is a C library for asynchronous DNS requests



Breakpad is a set of client and server components which implement a crash-reporting system.

Multiple licenses


Boost provides free peer-reviewed portable C++ source libraries.

Boost software license


cppcodec supports a range of codecs using a shared template-based implementation. The focus is on a high-quality API that encourages correct use, includes error handling, and is easy to adopt into other codebases.



CityHash provides hash functions for strings. The functions mix the input bits thoroughly but are not suitable for cryptography.



Is a C++11 Asynchronous Multi-Platform Lightweight Redis Client, with support for synchronous operations, pipelining, sentinels and high availability.



Curl is used in command lines or scripts to transfer data. It is also used in cars, television sets, routers, printers, audio equipment, mobile phones, tablets, media players and is the internet transfer backbone for thousands of software applications affecting billions of humans daily.



DazukoFS is a mechanism that allows userspace applications to perform online file access control.

Bitdefender uses this tool in binary mode. The original library is not modified.

GPL version 2


Dmidecode reports information about your system's hardware as described in your system BIOS according to the SMBIOS/DMI standard (see a sample output). This information typically includes system manufacturer, model name, serial number, BIOS version, asset tag as well as other details of varying level of interest and reliability depending on the manufacturer.

Bitdefender uses this tool in binary mode. The original library is not modified.

GPL version 2


Expat is a stream-oriented XML parser library written in C.

Expat excels with files too large to fit RAM and where performance and flexibility are crucial.



The file command is "a file type guesser", a command-line tool that tells you in words what kind of data a file contains. Unlike most GUI systems, command-line UNIX systems - with this program leading the charge - don't rely on filename extentions to tell you the type of a file, but look at the file's actual contents. This is, of course, more reliable, but requires a bit of I/O.



FreeType is a freely available software library to render fonts.

FreeType is written in C, designed to be small, efficient, highly customizable, and portable while capable of producing high-quality output (glyph images) of most vector and bitmap font formats.

FreeType (BSD-style)


HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones;

Bitdefender uses this tool in binary mode. The original library is not modified.

GPL version 2


iPKG is a very lightweight package management system designed for Linux installations with severe storage limitations such as handheld computers. iPKG is more than just an embedded Linux flash image builder. It also allows for dynamic installation/removal of packages on a running system.

Bitdefender uses this tool in binary mode. The original library is not modified.

GPL version 2 http:/


Jq is used to slice, filter, map and transform structured data. jq is written in portable C, and it has zero runtime dependencies.



JSON-C implements a reference counting object model that allows you to easily construct JSON objects in C, output them as JSON formatted strings and parse JSON formatted strings back into the C representation of JSON objects.



JsonCpp is a C++ library that allows manipulating JSON values, including serialization and deserialization to and from strings. It can also preserve existing comment in unserialization/serialization steps, making it a convenient format to store user input files.



Is a x86-specific library that helps in performing a virtual machine introspection.

Bitdefender uses this tool in binary mode. The original library is not modified.

GNU LGPL version 3


LibHaru is a free, cross platform, open source library for generating PDF files. At this moment LibHaru does not support reading and editing existing PDF files.



Libmilter uses a set of C preprocessor macros to specify platform specific features of the C compiler and standard C libraries.



Libpng is the official PNG reference library that supports almost all PNG features, is extensible, and has been extensively tested for over 23 years.



PostgreSQL is a powerful, open source object-relational database system that uses and extends the SQL language combined with many features that safely store and scale the most complicated data workloads.

PostgreSQL (BSD-style)


This is a C-language AMQP client library for use with v2.0+ of the RabbitMQ broker.



Libstatgrab is a library that provides cross platform access to statistics about the system on which it is run. It is written in C and presents a selection of useful interfaces which can be used to access key system statistics. The current list of statistics includes CPU usage, memory utilisation, disk usage, process counts, network traffic, disk I/O, and more.

Bitdefender uses this tool in binary mode. The original library is not modified.

GNU LGPL version 2


A portabale universally unique identifier C library.



Libxenserver is a complete SDK for Citrix XenServer, exposing the XenServer API to C programmers.



Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.


Makeself is a small shell script that generates a self-extractable compressed tar archive from a directory. The script itself is used only to create the archives from a directory of files.

Bitdefender uses this tool in binary mode. The original library is not modified.

GPL version 2


This package enables to extract files from a .zip archive file and is compatible with PKZip 2.04g, WinZip, InfoZip, MimarSinan Codex Suite 2002 tools and compatible software. Runs both under Linux and Windows


MongoDB C driver

Mongo-C-driver is a project that includes two libraries:

Libmongoc, a client library written in C for MongoDB.

Libbson, a library providing useful routines related to building, parsing, and iterating BSON documents.

Apache License version 2.0


MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need.

Bitdefender uses this tool in binary mode.The original library is not modified.



This is a shell (Bash) script that replicates for nginx the Debian a2ensite and a2dissite for enabling and disabling sites as virtual hosts in Apache 2.2/2.4.

a2dissite is a symbolic link to a2ensite.



Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine.



OpenLDAP software is an open source implementation of the Lightweight Directory Access Protocol. The suite includes:

SLAPD- stand-alone LDAP daemon (server) libraries implementing the LDAP protocol, utilities, tools and sample clients.



OpenSSL is a robust, commercial-grade and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols and also a general-purpose cryptography library.

Open SSL


The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native API, as well as a set of wrapper functions that correspond to the POSIX regular expression API. The PCRE library is free, even for building proprietary software.



PhantomJS ( is a headless WebKit scriptable with JavaScript. The latest stable release is version 2.1.



PHP is a popular general-purpose scripting language that is especially suited to web development.

PHP License, version 3.01


LibHaru is a free, cross platform, open source library for generating PDF files.



This extension can communicate with any AMQP spec 0-9-1 compatible server, such as RabbitMQ, OpenAMQP and Qpid, giving you the ability to create and delete exchanges and queues, as well as publish to any exchange and consume from any queue.

PHP License, version 3.01


Igbinary is a drop in replacement for the standard php serializer. Instead of

time and space consuming textual representation, igbinary stores php data

structures in a compact binary form.



Imagick is a native php extension to create and modify images using the ImageMagick API.

PHP License, version 3.01


This extension is developed atop the libmongoc and libbson libraries. It provides a minimal API for core driver functionality: commands, queries, writes, connection management, and BSON serialization.

Apache License version 2.0


This extension provides an API for communicating with Redis servers.

PHP License, version 3.01


SQLite3 is a PHP extension for use with the SQLite database system.

This extension bundles SQLite 3.5.9 though the minimum requirement is 3.3.9.

PHP License, version 3.01


APC User Caching.

PHP License, version 3.01


ChartDirector is a charting library for software developers to develop applications that contains charts.

ChartDirector version 6


The Gearman PHP Extension provides a wrapper to libgearman. This gives the user the ability to write fully featured Gearman clients and workers in PHP, allowing them to quickly develop distributed applications.

PHP License, version 3.01


Provides bindings to the functions of libssh2 which implements the SSH2 protocol

PHP License, version 3.01


RabbitMQ runs on many operating systems and cloud environments, and provides a wide range of developer tools for most popular languages.

Mozilla Public License, version 1.1

SNMP libs

AGENT++ SNMP software is dedicated to make the simple in Simple Network Management Protocol come true for developing SNMP agents and applications (Java/C++) as well as authoring (SMI) MIBs.

Apache License version 2.0


Is a utility for creating symmetrically encrypted and authenticated pipes between socket addresses, so that one may connect to one address (e.g., a UNIX socket on localhost) and transparently have a connection established to another address (e.g.,a UNIX socket on a different system). This is similar to ssh -L functionality, but does not use SSH and requires a pre-shared symmetric key.



SQLite is a self-contained, high-reliability, embedded, full-featured, public-domain, SQL database engine.

GPL public domain

Squid 4

Squid is a fully-featured HTTP/1.0 proxy which is almost a fully-featured HTTP/1.1 proxy. Squid offers a rich access control, authorization and logging environment to develop web proxy and content serving applications. Squid offers a rich set of traffic optimization options, most of which are enabled by default for simpler installation and high performance.

Bitdefender uses this tool in binary mode. The original library is not modified.

GPL, version 2

Strongswan OpenSource IPsec-based VPN Solution

StrongSwan is a free open-source IPsec based VPN client that is available for most of the operating systems out there. It implements both the IKEv1 and IKEv2 key exchange protocols to exchange cryptic certification keys between hosts and clients.

GPL, version 2


Is a multi-platform TCP Client & Server C++11 library.



TinyXML is a simple, small, C++ XML parser that can be easily integrating into other programs.



Bitdefender uses this tool in binary mode. The original library is not modified.

LGPL version 2


Simple GNU C / POSIX application to detect execution on Xen VMM platform.



Zlib is designed to be a free, general-purpose, legally unencumbered, lossless data-compression library for use on virtually any computer hardware and operating system.



This module enables the use of fetch in your Node code, in a cross-browser compliant fashion. The Fetch API is part of the Web platform API defined by the standards bodies WHATWG and W3C.



The Microsoft Graph JavaScript client library is a lightweight wrapper around the Microsoft Graph API that can be used server-side and in the browser



The MSAL Node enables applications to authenticate users using Azure AD work and school accounts (AAD), Microsoft personal accounts (MSA) and social identity providers like Facebook, Google, LinkedIn, Microsoft accounts, etc. through Azure AD B2C service. It also enables your applications to get tokens to access Microsoft Cloud services such as Microsoft Graph.



Catch2 is a unit testing framework for C++, but it also provides basic micro-benchmarking features, and simple BDD macros.

BSL 1.0


The project aims to build upon the latest C++ standard (currently C++11) to provide easy to use libraries for network programming.

Boost software


Cyrus SASL is an implementation of SASL that makes it easy for application developers to integrate authentication mechanisms into their application in a generic way.

OpenLDAP Public License


FreeType is a freely available software library to render fonts.

FTL and GPL version 2


Virtual Machine Introspection is defined as the technique of analyzing the state and behavior of a guest virtual machine from outside of it. In addition, Introspection can also leverage virtualization extensions to provide security.

Apache 2


libcperciva is a library code shared between tarsnap, scrypt, kivaloo, spiped, and bsdiff.



libkvmi is used to test libraries.



A cross-platform library that provides a simple API to read and write INI-style configuration files. It supports data files in ASCII, MBCS and Unicode. It is designed explicitly to be portable to any platform and has been tested on Windows, WinCE and Linux.