update lists

html/scientificcomputing.html

@@ -191,9 +191,10 @@ Software libraries and data formats for array-oriented scientific data.
 href="https://www.unidata.ucar.edu/software/netcdf/copyright.html">custom
 open-source license</a>, <a
 href="https://github.com/Unidata/netcdf-c/">GitHub</a>)</li>
-<li><a href="https://support.hdfgroup.org/HDF5/">HDF5</a> - Data model,
-library, and file format for storing and managing data. (C/Fortran, BSD,
-<a href="https://github.com/HDFGroup/hdf5">GitHub</a>)</li>
+<li><a href="https://www.hdfgroup.org/solutions/hdf5/">HDF5</a> - Data
+model, library, and file format for storing and managing data.
+(C/Fortran, BSD, <a
+href="https://github.com/HDFGroup/hdf5">GitHub</a>)</li>
 <li><a href="https://xdmf.org/index.php/Main_Page">XDMF</a> - eXtensible
 Data Model and Format for data from High Performance Computing codes.
 (C++, <a href="https://gitlab.kitware.com/xdmf/xdmf">GitLab</a>)</li>
@@ -343,8 +344,11 @@ solution of linear algebra problems.</li>
 <li><a href="https://netlib.org/na-digest-html/">NA Digest</a> -
 Collection of articles on topics related to numerical analysis and those
 who practice it.</li>
-<li><a href="https://twitter.com/gabrielpeyre">Gabriel Peyré on
-Twitter</a> - One tweet a day on computational mathematics.</li>
+<li><a href="https://bsky.app/profile/gabrielpeyre.bsky.social">Gabriel
+Peyré on Bluesky</a> - One post a day on computational mathematics.</li>
 <li><a href="https://discord.com/invite/hnTJ5MRX2Y">Discord: Numerical
 Software</a> - Discord messaging server on numerical software.</li>
 </ul>
+<p><a
+href="https://github.com/nschloe/awesome-scientific-computing">scientificcomputing.md
+Github</a></p>