Google Fonts makes it quick and easy for everyone to use web fonts, including professional designers and developers.
MS: Global Software Development Reference
Here you can find information about languages, locales, codepages, and other necessary information to enable international features of Windows XP/2000, as well as other interesting facts.
Microsoft's Typography group researches and develops fonts and font technologies, and supports the development of TrueType and OpenType fonts by independent type vendors
MS: Typography: Character sets and codepages
Define terminology relating to character sets. Explain how characters are mapped to glyphs. Describe the Windows 95 WGL4 character set. List standard codepages for Windows 95. Explain the codepage/Unicode range encoding within a text font.
MS: Typography: Microsoft ClearType
With ClearType font technology, the words on your computer screen look as smooth as the words on a piece of paper. This improvement in readability will accelerate the adoption of electronic books (eBooks) and the overall migration from paper to electronic forms.
The Unicode Consortium
The Unicode Consortium is responsible for defining the behavior and relationships between Unicode characters, and providing technical information to implementers
UTF-8 and Unicode FAQ for Unix/Linux
information resource on how you can use Unicode/UTF-8 on POSIX systems (Linux, Unix). You will find here both introductory information for every user as well as detailed references for the experienced developer