For the last 40 years, C has been on a very short list of the most common programming languages on the market. It might not always have been at the top, but it

For the last 40 years, C has been on a very short list of the most common programming languages on the market. It might not always have been at the top, but it has never been very far from the top since it was created. This means that the list of software written in C is simply too large to put here, or just about anywhere. As for the future of C in an age where more tasks are being done in parallel, the C11 standard may give better information than I can.