There was a download of pIcarver 3.1 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The program relates to Home & Hobby Tools. The actual developer of the free software is Proteome Informatics Group (Swiss Institute of Bioinformatics). The most popular version of the tool 3.1.
From the developer:
pIcarver is a tool to visualize theoretical distributions of peptide pI on a given pH range, and proposes a fractionation scheme that generates fractions with similar peptide frequencies. This tool has been developed as a service of the Bioinformatics Core Facility, within a collaboration between the Proteome Informatics Group from the Swiss Institute of Bioinformatics (SIB) and the Biomedical Proteomics Research Group
You may want to check out more software, such as MyDietWiz, HOSxP or Glucose Journal and Database, which might be similar to pIcarver.