CrushFTP is a powerful and versatile file transfer server solution compatible with a wide range of operating systems, including macOS, Windows, Linux, Solaris, BSD, and Unix. Running on systems with Java 8 or higher, CrushFTP facilitates secure connections with users, boasting a unique ZipStreaming feature that accelerates the transfer of compressed files. Its web-based secure management system allows for remote monitoring and easy upgrades, operating as a daemon or Windows service without the need for a local GUI.

Security is a top priority for CrushFTP, actively detecting and preventing common hack attempts and safeguarding against DDoS attacks. The user management system is robust, supporting features like inheritance, groups, and virtual file systems, and its role-based administration simplifies user delegation. CrushFTP supports secure protocols like SFTP and SCP, utilizing SSH connections for secure file transfers. The server dashboard provides summarized information about server activities and features such as ad-hoc sharing, customizable events, custom web forms, and thumbnail previews contribute to a comprehensive and user-friendly experience.

Users can create temporary links and shares through ad-hoc sharing, which self-expires after a set interval. CrushFTP also supports customizable events, generating emails with upload lists, and facilitating various tasks, including plugin execution. CrushFTP provides a robust, secure, and feature-rich solution for efficient and streamlined file transfers and management.

Key Features of CrushFTP :​

1. Cross-Platform Compatibility: Compatible with various operating systems, including macOS 10.9+/11/12+, Win2012+, Linux, Solaris, BSD, Unix, etc., as long as Java 8 is supported.
2. ZipStreaming Capability: Unique ZipStreaming method allows for in-stream downloading of files in compressed formats, enhancing the transfer of diverse file types.
3. Web-Based Secure Management: Manage and monitor the server securely from anywhere with a web-based interface, supporting easy upgrades without complex installers.
4. Security Measures: Actively detects common hack attempts, protects against DDoS attacks, and automatically bans IPs to ensure server security.
5. User Management: Robust user management features, including inheritance, groups, and virtual file systems. Role-based administration simplifies user delegation.
6. Secure Protocols: Supports secure file transfer protocols like SFTP (SSH-based) and SCP, ensuring secure and encrypted data transfers.
7. Dashboard: Provides a summarized view of server activities, including active connections, free drive space, recent log-in list, memory usage, and history graphs for bandwidth and memory usage.
8. Ad-Hoc Sharing: Allows users to create temporary links and shares to files and folders with customizable settings, self-expiring after a set interval.
9. Events: Customizable event actions, generating emails with upload lists, and executing various tasks. Supports plugin execution through events.
10. Custom Web Forms: WebInterface supports custom forms for user interactions, such as legal disclaimers or additional information requests during uploads.
11. Thumbnail Previews: Rich WebInterface allows for stunning visual displays, including thumbnail previews for images, PDFs, and documents, enhancing user experience.
12. Customizable Interface: Users can customize the sharing interface, including item visibility, default settings, email body, colors, fonts, and the method of sharing to use.
13. Developer-Friendly: Supports easy integration with development technologies, providing a data-centric model for streamlined application development.
14. Data Virtualization: Offers a virtual database abstraction on top of Elasticsearch data, supporting advanced features like query federation through query delegation and predicate pushdown.

Docs: https://crushftp.com/crush11wiki/