You could have downloaded ConcApp 5.0 from our software library for free. The program's installer is commonly called Concapp.exe. The following versions: 5.0 and 1.0 were the most frequently downloaded ones by the program users. This tool was originally created by ConcApp. The software lies within Education Tools, more precisely Languages.
From the developer:
ConcApp provides concordance searches, and includes full editing support and testing activities, and also word frequency text analysis. ConcApp also has support for unicode and can process not only English, French and probably most other European languages, but Chinese, Japanese, Thai and Russian texts in unicode.
You may want to check out more software, such as Rincevent, SpanishUno or Clavis Sinica, which might be similar to ConcApp.