This freeware program will split a (biology) multi-FASTA file in multiple standard FASTA files.
Affordable DNA Baser is useful for assembly of DNA sequences and generation of contigs.
This tool will show the proportions between nucleotides in a DNA sequence.
Other software by Heracle BioSoft:
Affordable DNA Baser is useful for assembly of DNA sequences and generation of contigs. File formats supported are abi, scf and seq (or FASTA)
This screensaver shows real 3D models of biological molecules in dynamics. Your screen will look like screens of computers in science fiction films! Six molecules are available in the current version: four prototypes of DNA and two proteins.