# Do Not Disturb > security software for macOS **Wikidata**: [Q125475003](https://www.wikidata.org/wiki/Q125475003) **Source**: https://4ort.xyz/entity/do-not-disturb ## Summary Do Not Disturb is a free, open-source security software application for macOS designed to monitor and alert users about potentially unwanted or malicious activity on their system. Developed by Objective-See, it runs in the background to detect and notify users of suspicious events such as process launches, network connections, and system changes. The software is written in Objective-C and is available under a free software license. ## Key Facts - Do Not Disturb is free software distributed under terms that allow users to freely run, study, change, and distribute it - It was developed by Objective-See, a non-profit software organization founded in 2015 and headquartered in Kula, United States - The software is written in Objective-C, a general-purpose, high-level, object-oriented programming language created in 1984 - Do Not Disturb runs on macOS, the operating system for Apple computers that was first released on March 24, 2001 - The current stable version is 1.3.0, released on September 26, 2018 - Source code is available on GitHub at https://github.com/objective-see/DoNotDisturb - The software is copyrighted but licensed as free software - Official website: https://objective-see.org/products/dnd.html ## FAQs ### Q: What is Do Not Disturb and what does it do? A: Do Not Disturb is a macOS security application that monitors system activity and alerts users to potentially unwanted or malicious events such as process launches, network connections, and system changes. It runs in the background and provides real-time notifications about suspicious activity. ### Q: Is Do Not Disturb free to use? A: Yes, Do Not Disturb is free software distributed under a license that allows users to freely run, study, change, and distribute the software and modified versions. ### Q: Who developed Do Not Disturb? A: Do Not Disturb was developed by Objective-See, a non-profit software organization founded in 2015 and based in the United States. ### Q: What programming language is Do Not Disturb written in? A: Do Not Disturb is written in Objective-C, a general-purpose, high-level, object-oriented programming language. ### Q: Where can I download Do Not Disturb? A: You can download Do Not Disturb from the official website at https://objective-see.org/products/dnd.html or access the source code on GitHub at https://github.com/objective-see/DoNotDisturb. ## Why It Matters Do Not Disturb matters because it provides macOS users with an accessible, free security tool that enhances system awareness and protection against potential threats. In an era where macOS systems are increasingly targeted by malware and other security threats, having a lightweight monitoring tool that alerts users to suspicious activity is valuable for both security-conscious individuals and those who want to understand what's happening on their system. The software fills a gap by offering real-time monitoring without the complexity or cost of enterprise-grade security solutions. Its open-source nature also allows security researchers and developers to examine, improve, and verify the code, contributing to transparency and trust in security tools. By making security monitoring accessible to everyday users, Do Not Disturb helps democratize cybersecurity awareness and empowers users to take a more active role in protecting their systems. ## Notable For - Being free and open-source security software for macOS, making advanced security monitoring accessible to all users - Developed by Objective-See, a respected non-profit organization focused on creating free macOS security tools - Written in Objective-C, maintaining compatibility with macOS development standards and practices - Providing real-time alerts about system activity without requiring complex configuration or technical expertise - Available on GitHub with active development and community contributions ## Body ### Development and Background Do Not Disturb was created by Objective-See, a non-profit software organization founded in 2015 by Patrick Wardle, a former NSA hacker and security researcher. The organization focuses on developing free macOS security tools to help users protect their systems from various threats. Do Not Disturb represents one of several security applications in Objective-See's portfolio, which includes tools for malware detection, network monitoring, and system analysis. ### Technical Implementation The software is implemented in Objective-C, a programming language that has been the primary language for macOS and iOS development since the 1980s. This choice ensures deep integration with macOS APIs and system frameworks, allowing Do Not Disturb to effectively monitor system events and processes. The application leverages macOS's built-in security and monitoring capabilities to detect and report on various types of system activity. ### Licensing and Distribution Do Not Disturb is distributed as free software under a license that permits users to freely run, study, modify, and distribute the software. This open-source approach aligns with Objective-See's mission to provide accessible security tools to the macOS community. The source code is publicly available on GitHub, allowing for community review, contribution, and verification of the software's functionality and security. ### Current Status and Availability The latest stable version, 1.3.0, was released on September 26, 2018, with version 1.1.0 preceding it on April 26, 2018. The software remains actively maintained and available for download through Objective-See's official website. Users can also access the source code repository on GitHub for the most current development versions and to contribute to the project. The application continues to serve macOS users seeking additional security monitoring capabilities without the cost or complexity of commercial security suites. ## References 1. [Source](https://github.com/objective-see/DoNotDisturb/blob/master/LICENSE.md) 2. [Release 1.1.0. 2018](https://github.com/objective-see/DoNotDisturb/releases/tag/1.1.0) 3. [Release 1.3.0. 2018](https://github.com/objective-see/DoNotDisturb/releases/tag/1.3.0)