Discover, compare, and save the best software alternatives.
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ArduPilot is an open-source autopilot system supporting a wide range of vehicles, including drones, planes, rovers, and subs. It provides a comprehensive set of features for autonomous navigation, stabilization, and control. The system is highly customizable and can be used for various applications, from hobbyist projects to commercial operations.
✦ Best for advanced hobbyists and researchers
Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows, macOS and Haiku. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.
✦ Best for astronomy enthusiasts and educators
mhabit is a cross-platform habit tracker designed to help you build and maintain positive routines while keeping your personal data completely private. Utilizing a local-first storage approach, it ensures that your information stays on your device, with optional WebDAV synchronization for multi-device support. Featuring smart scoring mechanics and support for Android, iOS, Windows, macOS, and Linux, the application delivers a seamless and consistent experience across your entire ecosystem. Its open-source nature allows for transparency and customization, making it a reliable companion for personal growth and goal tracking.
✦ Best for privacy-focused habit trackers
Strix is an open-source AI penetration testing platform designed to help developers and security teams proactively find and fix vulnerabilities in their applications. By leveraging artificial intelligence, it automates the security testing process to uncover hidden flaws before malicious actors can exploit them. The tool streamlines application security by integrating advanced AI capabilities into your workflow, making continuous security assessments accessible and efficient. It empowers teams to maintain high code quality and robust defense mechanisms without requiring dedicated manual penetration testing for every release.
✦ Best for tech-savvy security teams and developers
Dirsearch is a command-line utility designed to uncover sensitive files, admin panels, and forgotten backup archives on web servers. It leverages a comprehensive wordlist to systematically request paths and provides multi-threaded scanning, flexible extension filtering, and recursive brute-forcing capabilities.
✦ Best for experienced security professionals and penetration testers
curl is a widely used command-line tool and software library for transferring data using various network protocols. It is utilized by developers and system administrators worldwide to communicate with servers and test APIs directly from the terminal.
✦ Best for experienced developers and system administrators
SpiderOak One is a secure cloud backup and file sharing service designed to prioritize user privacy through a zero-knowledge encryption architecture. This means that encryption keys are derived entirely from your master password, ensuring that no one other than you—not even SpiderOak employees—can access your stored data. The platform provides robust file versioning, automated background backups, and easy sharing capabilities across multiple operating systems. It is engineered for individuals and businesses seeking a high-security alternative to mainstream cloud storage providers without sacrificing convenience or reliability.
✦ Best for privacy-conscious users needing zero-knowledge cloud backup and file sharing.
v2rayN is a GUI client for Windows, Linux and macOS, supporting Xray and sing-box among other protocols. It provides a user-friendly interface for managing and configuring these protocols, making it easier to set up and use them.
✦ Best for advanced users seeking customizable vpn solutions.
Wazuh is an open-source security platform that provides unified XDR and SIEM protection for endpoints and cloud workloads. It offers a comprehensive solution for threat detection, incident response, and security monitoring. Wazuh is designed to help organizations detect and respond to security threats in real-time, reducing the risk of data breaches and cyber attacks.
✦ Best for large-scale enterprise security teams
shadPS4 is a free, open-source PlayStation 4 emulator written in C++. It allows users to play PS4 games on their computers, providing a convenient alternative to the original console. The emulator supports various platforms, including Windows, Linux, macOS, and FreeBSD.
✦ Best for developers and advanced gamers
Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. It supports all common platforms and is widely used in commercial 3D printers. Marlin is open-source and free to use, making it a popular choice among 3D printing enthusiasts and professionals alike.
✦ Best for experienced 3d printing enthusiasts and professionals
Rocket.Chat is an open-source communication platform designed for mission-critical operations. It provides a secure and scalable solution for team collaboration, featuring real-time messaging, video conferencing, and file sharing.
✦ Best for large enterprise teams with it expertise