Example:

Some people like to do this using a dedicated diagramming software, like Microsoft Visio.

A friend of mine, who is a native English speaker, says that the sentence doesn't sound weird to him at all. But isn't the word software inherently a mass noun or is he right that software can be used as a count noun and mean the same thing as program and application? I have never seen software used as a count noun like that. I always thought that this word was a mass noun and could not be anything else. What do you guys think?

Example:

Some people like to do this using a dedicated diagramming software, like Microsoft Visio.

A friend of mine, who is a native English speaker, says that this sentence doesn't sound weird to him at all. But isn't it true that the word software is inherently a mass noun, so no articles are possbile or is he right that software can be used as a count noun to mean something like program and application? I actually have never seen software used as a count noun like that. I always thought that this word was a mass noun and could not be anything else. What do you guys think?

Example:

Some people like to do this using a dedicated diagramming software, like Microsoft Visio.

A friend mine, who is native English speaker, says that the sentence doesn't sound weird to him at all. But isn't the word software inherently a mass noun or is he right that software can be used as a count noun and mean the same thing as program and application? I have never seen software used as a count noun before. I always thought that this word was always a mass noun and could not be anything else. What do you guys think?

Example:

Some people like to do this using a dedicated diagramming software, like Microsoft Visio.

A friend of mine, who is a native English speaker, says that the sentence doesn't sound weird to him at all. But isn't the word software inherently a mass noun or is he right that software can be used as a count noun and mean the same thing as program and application? I have never seen software used as a count noun like that. I always thought that this word was a mass noun and could not be anything else. What do you guys think?