 Meta-analyst is a free, open-source, and easy-to-use software package designed to facilitate the analysis of meta-analysis data. It can perform a wide range of meta-analysis tasks including binary and continuous outcomes, diagnostic and prognostic tests, and meta-regression models. Additionally, it has a flexible tool to edit and customize generated meta-analysis graphs and outputs in various formats. This article was authored by Schmid Christopher H., Wallace Byron C., Lao Joseph, and others.