基于java的生成、显示、注释RNA二级结构的软件，可很容易地编辑、修改、生成发表质量的RNA二级结构图。需要有JAVA语言环境软件JRE1.42软件，15M，及Java3D OpenGL API 1.3.1，4M，和Java Advanced Imaging 1.1.2，5.4M，方可以运行。
XRNA is a Java based suite of tools for the creation, annotation and display of RNA secondary structure diagrams.
XRNA provides editing tools for easy modification of publication quality secondary diagrams that can be either drawn manually, or through automatic generation. Other features include grouping, numbering and structure annotation. XRNA secondary structures may be saved in a native format, or exported as postscript for printing and further manipulation in programs such as Adobe Illustrator.
