Help with generating textual output that includes ANSI escape codes for formatting. The compose function is the best starting point.

Utilities for formatting binary data (byte arrays) or binary deltas.

Utilities for accessing text on the system clipboard using AWT.

Assistance for formatting data into columns. Each column has a width, and data within the column may be left or right justified. Generally, columns are sized to the largest item in the column. When a value is provided in a column, it may be associated with an explicit width which is helpful when the value contains non-printing characters (such as those defined in the io.aviso.ansi namespace).

Changes exception output for SystemMap and Lifecycle, from Stuart Sierra’s Component library, to be shorter placeholders.

Format and present exceptions in a pretty (structured, formatted) way.

A plugin for Leiningen that automatically enables pretty printing.

Provides functions that hook into clojure.tools.logging to make use of Pretty to format exceptions.

Utilities to assist with REPL-oriented development.