PNG

• Linux Today: Open Source Graphics with PNG  - Chronicles information on the Unisys/CompuServe/GIF controversy making the use of PNG format speed up.
• PNG Image Format  - Contains details on the PNG image format with background story presented. Includes image tools and specifications.
• PNG Specification Version 1.0- W3C  - Articles presenting information on PNG recommendations. Includes applications and related links.
• PNG-Tech  - Technical details of the PNG file format with an archive of related articles. Also discusses the compression algorithms used.
• W3C: Portable Network Graphics  - References for the PNG's functions with testing for browser compatibilities. Includes definition of the tool's applications.