The phrase "although not alone" is correct and usable in written English.
It can be used to indicate that while someone or something is not the only one involved in a situation, they still have some form of support or presence.
Example: "She felt a sense of comfort in the crowd, although not alone in her thoughts."
Alternatives: "even if not solitary" or "though not by oneself".
Although not alone -- other sites include estrogenmusic.com, girlmusician.com and rockrgrl.com -- FemaleMusician.com emphasizes a wide spectrum of music and educational mentoring.
Then he set out to build a house by hand, although not alone; he had the assistance of his wife, Teri, and their four children, the oldest just 15.
Although not alone in its effort to commercialize the biochip, Menlo Park, Calif.-based Microbionics, Inc. said this week that it is less than a year away from mass producing a biochip that will be inexpensive, disposable, accurate and easily developed to specification.
We would add that this concept is also very close to the way the State works, since it participates in the management of aid (although not alone, which is what justifies the existence of this unique category).
Although Apple was not alone in offering portable hard drive players, it created the better player.
The main culprit is shrinking pension wealth, although it is not alone.
Happy Lemon claims to have invented the concept of a rock-salt cheese topping, although it is not alone in doing so.
Sitting across the field, I watch from a distance and make notes – although I'm not alone, and I have been invited.
Re "Building a Better Web With Content Blueprints" (July 13): Colin Furness's description of the distinctions between graphic designers and so-called "information architects" is a bit simplistic, although he is not alone in his lack of knowledge concerning graphic design.
There's a strand of thought — I identify it especially with Corey Robin, although he's not alone — that says that conservatism isn't really about the things it claims to be about.
Paul Pogba was restored as captain as another Mourinho move was wiped away but he was poor - although he was not alone there.
