When comparing OCR.Space vs GOCR, the Slant community recommends GOCR for most people. In the question“What are the best OCR libraries?” GOCR is ranked 2nd while OCR.Space is ranked 4th. The most important reason people chose GOCR is:
GOCR is very easy to use and it's callable from the command line. Just type `gocr -h` and you will have all the available commands with the needed information on how to use them.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro API
Free API available, can be used for free up to 25000 requests per month.
Pro C# (Visual Studio Project)
Ready-to-use C# project for using the OCR API on GitHub.
Pro Easy, straightforward use
GOCR is very easy to use and it's callable from the command line. Just type gocr -h
and you will have all the available commands with the needed information on how to use them.
Pro Can be used with different frontends
Since GOCR is compatible with multiple different frontends, it can be very easy to port it to different operating systems.
Cons
Con Couldn't OCR a clean pdf saved to file (containing images only), converted to pnm (GOCR native format)
Con Fails with multiline layouts
GOCR does not work very well with multiline layouts.