Oxipng vs XCache
A side-by-side look at Oxipng and XCache. For an in-depth review of either product, follow the links below.
Oxipng
Photos & Graphics
Oxipng is an image optimization tool for PNG files. It can optimize PNGs losslessly to reduce file size by removing unnecessary metadata and optimizing compression settings.
pngcompressionoptimizationmetadata-removal
XCache
Development
XCache is a free open source PHP opcode cache. It stores precompiled PHP bytecode in shared memory, improving PHP performance by removing the need to load and parse scripts on each request. It's easy to install and configure in PHP.
cachingperformanceopcodephp