The most common and most likely answer to this crossword clue is the 6 plus 6 letter word SEARCH ENGINE
I've seen this crossword clue in The Times
S
E
A
R
C
H
E
N
G
I
N
E
More clues leading to the result SEARCH ENGINE
- Software providing instruction for transport police?
- Exceptionally, change Ernie’s software
- Various genres, each in online program
- Selecting application from range Chinese assembled
- Source of information generating anger with Chinese?
- Seen reaching out for Internet facility
- Chinese anger about internet facility
- Online helper seen reaching out
- Google‘s anger with Chinese vacillating
- Internet facility that could produce Chinese anger
Buddy explains!

The straight part
We know that "software" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case software = search engine.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.