USEARCH v12
cluster_fast
cluster_otus
cluster_smallmem
cluster_mt
closed_ref
fastq_filter
fastq_join
fastq_mergepairs
fastx_uniques
fastx_truncate
fastx_get_sample_names
makeudb_usearch
sintax_summary
uchime3_denovo
unoise3
uparse_ref
usearch_global
usearch_local
sintax
otutab
search_16s
udb2bitvec