OptiPNG vs Siren
A side-by-side look at OptiPNG and Siren. For an in-depth review of either product, follow the links below.
OptiPNG
Photos & Graphics
OptiPNG is an open-source PNG optimizer that reduces the file size of PNG images while preserving transparency. It works by applying lossless compression and interpolation methods.
pngoptimizercompressiontransparency
Siren
Security & Privacy
Siren is an investigative link analysis software used by law enforcement and intelligence agencies to visualize connections between people, places and events. It helps analysts uncover hidden relationships and patterns within large, disparate datasets.
link-analysisdata-visualizationlaw-enforcementintelligence-agencies
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