Bookmarks

Ah, the old plain list of bookmarks which was so popular before Google transformed Internet navigation from directory browsing to search…

1. Org Mode Bookmarks

Bookmars related to Org Mode now live in their own page: ./bookmarks-about-org-mode.html.

Create diagrams with code using Graphviz is a tutorial about writing diagrams with Graphviz. The official documentation is available from the Graphviz home page.
PlantUML in a nutshell: documentation of the notation used by PlantUML.
The demo page of Gnuplot contains many examples of graphs.

This is where I go when I am looking for freely available audio books, e-books, and podcasts.

Ad Alta Voce, from RAI (the Italian National broadcasting channel) offers many audio books for free read by actors. Latest book episodes are also available as an RSS feed.
Timendum - Ad Alta Voce is a GitHub repository which generates feeds for all the books published on Ad Alta Voce, including those no longer appearing in the RSS feed. It thus allows to use a Podcast client to access the books.
The BBC has a section with Audio books.
LibriVox and Loyal Books host collection of books read by volunteers.

Project Gutenberg has a large collection of out-of-copyright books. Many classics can be downloaded from this site.
Standard eBooks is a volunteer driven, not-for-profit project that produces new editions of public domain e-books that are lovingly formatted, open source, and free.
Many Books has more than 50.000 free books. Many of the early e-books are from the Project Gutenberg archive; now it offers also the opportunity to authors to self-publishing their work.
Feedbooks is another good source of main public-domain books. The portal also offers paid-for books.
The Internet Archive and the Open Library offer over 20,000,000 freely downloadable books and texts. There is also a collection of 1.3 million modern e-books that may be borrowed by anyone with a free archive.org account.
Guide to DRM-Free Living: Literature has a big list of websites distributing DRM-free books (for profit and for free)

These are the podcasts I usually listen to (BBC and NPR’s mainly).

Published weekly (regularly):

With a begin and an end:

COVID-19 in Italy provides information about the evolution of the pandemic in Italy. Built with R, ruby, and datamash from the GitHub repository of the Italian Civil Protection.

Coronavirus Global Update, daily roundup about the COVID-19 epidemic. A BBC podcast, each episode lasts 4 minutes.
An article in a Trento’s local newspaper claiming the Autonomous Province of Trento is sending the wrong data to the Ministry: Coronavirus, “miraculous Trento” …