What other fonts are available to write in Cyrillic in LaTeX beside T2A, T2B, T2C?
For multilingual typesetting it seems plausible to use modern TrueType or OpenType fonts, which often contain glyphs for many Unicode character ranges including Cyrillic. Some of the available fonts were made with TeX in mind or even using the original Knuth's Computer Modern as a basis. Some fonts are already included in TeX distributions.
To load a TTF/OTF font, one needs the XeTeX or LuaTeX engines. A LaTeX interface is provided by the
Here's a list of some relevant fonts in no particular order: