June 7, 2014

Top 5 Open-Source Windows Apps for Security, Encryption and Privacy

Open-source apps encourage programmers to learn, modify and distribute the software to anyone, regardless of the purpose, as the source code is obtainable for free. But, when it comes to security, there are many loop holes which must be discovered, managed and fixed regularly to maintain liability. And when not doing so, the apps are exposed to hackers who place their malicious codes to access your personal information for illegal purposes. Many of the developers and users who are active in dev-communities are helpful in finding vulnerabilities, review code in detail, and perform routine audits on a mass scale.

Top 5 Open-Source Windows Apps for Security, Encryption and Privacy

The internet-connected systems are in ever danger and vulnerable to many viruses, spyware, Trojans, and hard-to-remove malware. There are plenty of softwares and applications vacant to safeguard to private data by strengthening privacy and security.

Here is a list of Top 5 open-source windows security apps that are widely distributed, trusted and recommended which are seldom closed-source programs.

1. Gpg4win (Win 8/7/Vista/XP)

Gpg4win is a email and file encryption application that comes with GNU Privacy Guard (GPG) public key cryptography for encrypting your personal data and digital signatures. Along with file security and email encryption, it offers a command-line tool that provides a digital signature to your data and communication with encryption. It supports SmartCards for OpenPGP and S/MIME, create and verify checksums of files, user-friendly certificate selection, manage certificates securely and comfortably, import/export of certificates from and to certificate servers, and also certify OpenPGP certificates. Gpg4win has wide compatibility with various Windows applications available.


2. Mumble (Win 8/7/Vista/XP)

Mumble is an open-source voice chat or voice over IP (VoIP) application mostly used by gamers, but the prime advantage is that is encrypts your communication, using public/private-key authentication. The client-side architecture allows users to communicate with others via the same server. The interface is intuitive and offers high sound quality and low latency. Mumble is free, cross-platform and ensures all communication is encrypted for better user privacy.


The client-side module of the application is called Mumble, and the server-side is called Murmur. The application offers you to host your own server, let users create and manage channels for games and record your own talks. The other features included in Mumble are brilliant voice quality, echo removal, positional audio, overlay, ACL for users, and text-to-speech conversion.

3. OpenVAS (Win 8/7/Vista)

OpenVAS (Open Vulnerability Assessment System) contains a bunch of tools and services that offers a comprehensive and powerful vulnerability scanning and management solution. The core of OpenVAS called ‘OpenVAS Scanner’ is SSL-secured with service-oriented architecture. The central service ‘OpenVAS Manager’ combines plain vulnerability scan into a full vulnerability solution. The ‘Greenhouse Security Assistant (GSA)’ is the last web service that converts OMP (command-line tool) responses to HTML using an XSL transformation stylesheet.

OpenVAS Client

4. OpenSSH and PuTTY (Windows and Linux)

OpenSSH uses SSH protocol to send encrypted communication sessions over a computer network. It encrypts all traffic along with passwords to reduce hijacking and eavesdropping connections. It ensures secure tunneling capabilities for enhanced user privacy.


PuTTY is a popular file transfer application which supports several network protocols such as SCP, SSH, Telnet, rlogin, and other socket connections. It offers free SSH1+SSH2 implemetation for Windows. PuTTY was initially written for Microsoft Windows, but later ported to various other operating systems, including Mac OS, Symbian and Windows Mobile.

5. KeePass (Win 8/7/Vista/XP/Server 2008)

KeePass is a password-safe manager which stores all your passwords in a single database, encrypted with AES and Twofish algorithms. It is free, open-source, and cross-platform utility available for Windows, Linux, Mac OS, iOS, Android and Windows Phone. The highly-encrypted databases can only be unlocked with one master password and/or a key file. To protect against keyloggers, a two-factor authentication and Windows secure desktop option is supported.

KeePass Password Safe

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