Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Ralpha Image Resizer - High-speed image batch conversion tool
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.