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software.html

@@ -215,6 +215,13 @@ <h3 id="ioos-compliance-checker">IOOS Compliance Checker</h3>
 
 <h2 id="free-and-open-source-software-packages">Free and Open Source Software Packages</h2>
 
+<h3 id="cdo---climate-data-operators">CDO - Climate Data Operators</h3>
+
+<p><a href="https://code.mpimet.mpg.de/projects/cdo">CDO</a> is a collection of command line operators to manipulate and analyse climate and NWP model data.
+It supports GRIB, netCDF, SERVICE, EXTRA and IEG data formats with more than 600 operators available.
+Many of the <a href="https://code.mpimet.mpg.de/projects/cdo/embedded/index.html">operators</a> rely on the CF conventions to interpret file contents (e.g. grid projections, axis direction, etc.).
+CF-compliant output can be produced, especially via the <code class="language-plaintext highlighter-rouge">cmor</code> and <code class="language-plaintext highlighter-rouge">cmorlite</code> operators.</p>
+
 <h3 id="cfdm---python-cf-data-model-package">cfdm - Python CF Data Model Package</h3>
 
 <p>The <a href="https://ncas-cms.github.io/cfdm">cfdm Python package</a> implements the <a href="https://doi.org/10.5194/gmd-10-4619-2017">CF data model</a> for its internal data structures and so is able to process any CF-compliant dataset.