Apache FtpServer vs Xlight FTP Server

Apache FtpServer

Figure	Apache FtpServer	Xlight FTP Server
Price from	Free	Free
Free plan	Yes	Yes
Free trial	—	Yes
Open source	—	—
Windows	Yes	Yes
Linux	Yes	—
API	Yes	—
Self-hosted	Yes	Yes
Plans published	1	6
Spec score · FTP Server Software	8.2 (#12)	7.5 (#33)
Deployment	FtpServer can run as a Windows service or Unix/Linux daemon and can be embedded in Java applications.	The server and remote administration client are standalone portable programs that can run without installation, and the download page offers 32-bit and 64-bit versions.
Integrations	The project provides integration with Spring applications and distributes releases as OSGi bundles.	It supports email notifications, database stored procedures, and launching programs after file upload, download, or deletion.
Protocols	The documentation lists support for RFC 959, RFC 2228, RFC 2389, RFC 2428, and RFC 2640.	It supports FTP, FTPS using explicit or implicit SSL, and SFTP (SSH2), with SFTP sold as an optional add-on for paid editions.
Purpose	Apache FtpServer is a pure Java FTP server designed as a portable server engine that can run standalone or be embedded in a Java application.	Xlight is a Windows FTP and SFTP server for file transfer, described as portable with low memory and CPU usage.
Support	Users are directed to the FtpServer users mailing list for questions about using the product.	Purchases include one year of free email support; the maker also lists a technical support contact and a user forum.

Apache FtpServer has no write-up on Specifiction yet; its figures are above.

Xlight FTP Server has no write-up on Specifiction yet; its figures are above.