| CoGemiR | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Takifugu rubripes and 32 others. | http://cogemir.tigem.it/ |
| MicroPC | Arabidopsis Thaliana, Brassica rapa, Glycine Max, Lycopersicon esculentum, Medicago truncatula, Oryza sativa and 121 others. | http://konulab.fen.bilkent.edu... |
| microRNAviewer | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Takifugu rubripes and 43 others. | http://people.csail.mit.edu/ak... |
| miROrtho | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Takifugu rubripes and 40 others. | http://cegg.unige.ch/mirortho/ |
| NAPP | Drosophila melanogaster, Culex quinquefasciatus, Brugia malayi, Escherichia coli, Photorhabdus luminescens, Bacillus subtilis and 709 others. | http://napp.u-psud.fr/ |
| RepTar | Homo sapiens, Mus musculus, Human EBV virus, Human HCMV virus, Human KSHV virus, Mouse MCMV virus. | http://bioinformatics.ekmd.huj... |
| S-MED | Homo sapiens. | http://www.oncomir.umn.edu/SME... |
| UCNEbase | Unspecified. | http://ccg.vital-it.ch/UCNEbas... |
| Yeast snoRNA database | Saccharomyces cerevisiae. | http://people.biochem.umass.ed... |
