Siyam Rupali
Siyam Rupali is a Unicode-based free Bengali font. It is widely used and a popular Bengali font. The font was created by Tanbin Islam Siyam and developed under the Avro Font Development Project. This font is derived from the Rupali font. It includes good shaping, hinting, and kerning to function as a well-displaying font. The design of the Roman characters in this font is adapted from the Droid font. It is licensed under the GNU GPL 3.0 license.[1]
As a Unicode-based font, it can be used for writing Bengali in various software, including Photoshop.