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overview
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Io is a small, prototype-based programming language. The ideas in Io are mostly inspired by Smalltalk (all values are objects, all messages are dynamic), Self (prototype-based), NewtonScript (differential inheritance), Act1 (actors and futures for concurrency), LISP (code is a runtime inspectable/modifiable tree) and Lua (small, embeddable).
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features
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open source BSD license
small vm (~10K semicolons)
multi-state (multiple VMs can run in the same process)
incremental collector, weak links
actor-based concurrency, coroutines
C99 implementation, 64bit clean
exceptions
embeddable
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platforms
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OSX/Unixes, Windows, Symbian, Syllable
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bindings
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async sockets and async dns
sqlite, dbi, qdbm, regex, xml/html parsing
md5, sha1, zlib, lzo, blowfish, curses
opengl, portaudio, freetype, ffmpeg
objective-c bridge
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