Main tool : gfastats
Full documentation: https://github.com/vgl-hub/gfastats
The swiss army knife for genome assembly. gfastats is a single fast and exhaustive tool for summary statistics and simultaneous fa (fasta, fastq, gfa [.gz]) genome assembly file manipulation. gfastats also allows seamless fasta<>fastq<>gfa[.gz] conversion.
# from readme
gfastats input.[fasta|fastq|gfa][.gz] [expected genome size] [header[:start-end]]
# sample usage
gfastats input.gfa --threads 4 --tabular --seq-report