Uncountable Nouns with 'ARE', 'IS' and 'IS A', a little confused
I am a little confused about the use of 'are' and 'is', 'is a' with uncountable nouns.
The 'software' is an uncountable noun but there are a lot of instances in search results from Internet, such as
- “Free software” is a matter of liberty.
- Computer software, or just software, is a collection of computer programs and related data.
- Social software is a bit of a Trojan horse.
Q: why it is able to follow with 'is a'?
- Accounting software is our business.
- Software is hard.
- What software are critical for surfing the web?
- What software are needed for Turntable?
- Best software are opinionated.
- Software are the great help to solve the issue about to operate devices
Q: Why there are 'are' following with 'software'?