SAI or Easy Paint Tool SAI (ペイントツールSAI) is a lightweight raster graphics editor and painting software for Microsoft Windows developed and published by SYSTEMAX Software.
The painting application is available in both Japanese, and an official English translation. An unofficial fanmade translation for the software also exists. It can be purchased directly through the developers' website,and purchases through PayPal are now also accepted in addition to the BitCash and TelecomCredit payment systems that have been available for Japanese users.
Paint Tool SAI is available on Microsoft Windows 98, Me, 2000, XP, Vista, 7 and 8.
SAI Official Web site (Japanese)
SAI Official Web site (English)
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