Open Source Security & Privacy Software
Apache JMeter
Apache JMeter is an open source software Java-based load testing tool for analyzing and measuring the performance of a variety of services and applications. Apache JMeter uses Swing graphical API which means that it is not implemented by platform-specific coding. Developer use Apache JMeter to test performance both on static and dynamic resources, and simulate a heavy load on a server, group of servers, network or objects to test its strength or to analyze overall performance of applications.
Locust
Locust is a modern load testing framework an open source load testing tool written in Python. With Locust it's super simple to load test any form of web application or website, regardless of language, framework or type. Allowing you to define user behaviour with Python code, and swarm your system with millions of simultaneous users.
TrueCrypt
TrueCrypt is an open-source disk encryption tool for Windows XP, Windows Vista, Windows 8, Windows 10, Linux, and Mac OS X. With TrueCrypt, yo can encrypt an external storage device, such as a USB drive, or an entire hard disk on your PC. TrueCrypt has been discontinued since 2014.
Firefox Lockwise
Firefox Lockwise is a password manager for the Firefox web browser and your mobile Android and iOS device. The software feature strong 256-bit encryption that lets you store you password safely. Firefox Lockwise lets you securely access the passwords you've saved in Firefox from anywhere using Face/Touch ID or master password.
OpenSSL
OpenSSL is a robust, commercial-grade toolkit and general-purpose cryptography library for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. The library allows for secure communications over computer networks against eavesdropping. It is widely used for internet-based servers where the most common use-case is HTTPS for websites. OpenSSL is licensed under an Apache-style license is free to use for non-commercial and commercial projects alike.
ZAP
ZAP is the worlds most widley used, free and open source web app scanner. With ZAP you can rest assured that your application is safe agains, attacks, malware and viruses. ZAP is openly developed and maintained by a dedicated team of international volunteers.
Kali NetHunter
The Kali NetHunter project is an open source penetration testing platform for Android (Nexus devices). The operating system is joint effort between the Kali community member "BlinkyBear" and Offensive Security. With Kali NetHunter you can perform penetration testing on the go, with various support for attacks like Wireless 802.11 frame injection, one-click MANA Evil Access Point setups, HID keyboard attacks, as well as BadUSB MITM attacks. Kali NetHunter currently supports Nexus 5, Nexus 6, Nexus 7, Nexus 9, Nexus 10, and OnePlus One.
Infection Monkey
Infection Monkey is an open source Breach and Attack Simulation (BAS) tool that assesses the resiliency of private and public cloud environments to post-breach attacks and lateral movement. With Infection Monkey, data centers and cloud providers can detect and identify internal server infections. Infection Monkey uses various methods to self propagate across a data center and reports success to a centralized Monkey Island server. Infection Monkey is released free and open-source under the GPL-3.0 License.
PuTTYgen
Simon Tatham created PuTTYgen, a key generation tool. It is used to generate cryptographic key pairs for usage in secure communication protocols like SSH (Secure Shell). PuTTYgen provides users with the ability to generate, maintain, and convert public and private keys, hence improving the security of data transfers between clients and servers. The software is particularly useful for creating secure connections in a variety of computing settings.