Foremost network protocol analyzer with multi-platform support, deep protocol inspection, VoIP analysis, and extensive file format compatibility.
- Network Analyzer
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Snapcraft
- Flathub
- Homebrew
- Chocolatey
Portmaster is a free and open-source privacy suite that puts you back in charge of your computer.
- Ad Blocker
- Freemium • Open Source
- Windows
- Linux
+3Take back control of your newsfeed and filter out the noise! With Inoreader, information comes straight to you the minute it’s available. Follow your favorite websites, content creators, newsletters, and social media feeds.
- RSS Reader
- Freemium • Proprietary
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- Windows Phone
- iPad
- Google Chrome
- Safari
- Kindle Fire
- Opera
- Mozilla Firefox
Free, open-source utility for network security auditing and exploration with capabilities for OS detection, service identification, and large network scans.
- IP Scanner
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Official successor to Process Hacker.
- Process Monitoring Tool
- Free • Open Source
- Windows
+6Open-source, cross-platform network scanner for fast, simple IP and port scanning. Lightweight with no installation needed, extensible via plugins.
- IP Scanner
- Free • Open Source
- Mac
- Windows
- Linux
- Flathub
- Flatpak
- Java
SimilarWeb is a global software development and data aggregation company specializing in web analytics and digital performance. It provides traffic insights for websites, supporting market research, competitive analysis, and business development.
- SEO Tool
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Online
- Google Chrome
- Safari
- Opera
- Mozilla Firefox
+2Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.
- Network Monitor
- Free • Open Source
- Mac
- Windows
- Linux
Open-source task and test automation tool and Selenium IDE. The UI.Vision RPA software is a browser extension that can do desktop automation as well! Use it for web automation, form filling, screen scraping and Robotic Process Automation (RPA).
- Task Automation App
- Freemium • Open Source
- Mac
- Windows
- Linux
- Google Chrome
- Mozilla Firefox
changedetection.io - The best and simplest self-hosted free open source website change detection monitoring and notification service. An alternative to Visualping, Watchtower etc. Designed for simplicity - the main goal is to simply monitor which websites had a text change for...
- Website Monitoring
- Freemium • Open Source
- Windows
- Linux
- Self-Hosted
- Raspberry Pi
- Docker
+2Wappalyzer is a technographics data provider, uncovering technologies such as content management systems, customer relationship management, ecommerce platforms, advertising networks, marketing tools and analytics.
- Technology Identifier
- Freemium • Proprietary
- Online
- Android
- Microsoft Edge
- Google Chrome
- Safari
- Mozilla Firefox
+1Unified analytics and uptime platform, optimized for casual users with a streamlined, deploy-anywhere approach.
- Web Analytics Service
- Free • Open Source
- Self-Hosted
- Docker
Website monitoring with alerts via calls, texts, and more. Includes on-call scheduling, calendar sync, incidents timeline, and status page sharing.
- Uptime Monitor Service
- Freemium • Proprietary
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
+4Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems, containers, and applications.
- Network Monitor
- Freemium • Proprietary
- Mac
- Linux
- Online
- BSD
- Self-Hosted
- C (programming language)
- Python
- GNU Bourne Again SHell
Advanced self-hosted tool for tracking uptime across multiple services with reactive UX, interval checks, various notifications, and multi-language support.
- Uptime Monitor Service
- Free • Open Source
- Self-Hosted
- Cloudron