The freeware version of IDA v5.0 has the following limitations: no commercial use is allowed lacks all features introduced in IDA > v5.0: v5.1, v5.2, v5.3, v5.4, v5.5, v5.6, v5.7, v6.0, v6.1, v6.2, v6.3, v6.4, v6.5, v6.6 lacks support for many processors, file formats, debugging etc... comes without technical support

用于Hex-Ray的IDA-Pro的IDA批反编译插件和脚本，它添加了批量反编译多个文件及其导入的功能，并在pseudocode.c文件中添加了附加注释（xref、stack var size）