Final answer:
C++ is a challenging programming language known for its portability, steep learning curve, and strong performance with fewer libraries but many frameworks such as Qt and Boost.
Step-by-step explanation:
It appears that the programming language being described in your question is one that is considered challenging to learn, is highly portable across different environments, has a limited number of libraries available, but has a wealth of frameworks that can be utilized.
This could describe a few different languages, but one that stands out comforming to those characteristics is C++. It is known for its steep learning curve, especially for understanding memory management and template metaprogramming.
Despite this, C++ offers great performance and is used in a variety of environments ranging from embedded systems to large-scale applications.
However, compared to languages like Python or JavaScript, C++ does not have as vast an ecosystem of libraries, primarily due to its focus on performance and the necessity of manual management.
That being said, there are still numerous frameworks designed for C++ that provide structured ways to build applications, like Qt for graphical user interfaces or Boost for extending the language's capabilities.