The instruments listed on this page have been submitted by ITEST projects that have used the instrument for their research or evaluation. In some cases, members of the ITEST project were the authors of the instrument. A link to the ITEST project(s) that used the instrument is listed under Related Projects in each entry. ITEST project members may leave comments about their experience with the instrument within the entry. Note that STELAR is not the author or owner of any instrument. Permission for use must be requested through the publisher or author listed in each entry.