| miRGator | Homo sapiens. | http://mirgator.kobic.re.kr/ |
| NATsDB | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Gallus gallus. | http://natsdb.cbi.pku.edu.cn/ |
| sRNATarBase | Escherichia coli, Azobacter vinelandii, Bacillus subtilis, Listeria monocytogenes, Neisseria meningitides, Prochlorococcus marinus and 10 others. | http://ccb.bmi.ac.cn/srnatarba... |
| The UCSC Genome Browser database | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Macaca mulatta, Bos Taurus and 40 others. | http://genome.ucsc.edu/ |
| Trans-SAMap | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Gallus gallus. | http://trans.cbi.pku.edu.cn/ |
