Sites like gewinde-normen.de

A news blog covering Nikon camera and lens rumors, firmware updates and product announcements, run by admin under the Nikon Rumors name

A weekly science and critical-thinking podcast, The Skeptics Guide to the Universe, hosted by the SGU skeptics team

OpenSCAD is free software for creating solid 3D CAD models by coding, with news and gallery pages

Klipper documentation: an English-language reference site for Klipper, firmware that runs 3D printers, with configuration and developer guides

A German association's portal offering open educational resources, apps, tools and courses for teachers and pupils, run by ZUM e.V

A French telecom company's website for Free: internet and mobile plans, Freebox boxes, store locations, and subscription management

OctoPrint, an open source web interface for controlling and monitoring 3D printers, with a blog, help pages and merchandise by Gina Häußge

BigPrint, a downloadable software tool by Woodgears for making large-scale 1:1 print mosaics from images

A German blog about media criticism of the Axel Springer tabloid BILD and other German press coverage

Free open source 2D CAD application LibreCAD for Windows, macOS and Linux, with community support and documentation

A news blog on embedded systems, maker boards and single-board computers such as Raspberry Pi and Arduino, run by CNX Software Limited

Precious Plastic, a global community project sharing open-source designs and plans for machines that recycle plastic waste

F-Droid is an app store and distribution platform for free and open source Android apps

OpenCV, the open-source computer vision library, with its services, training, partner program and blog, run by the OpenCV organisation

QSL.net is a free web and email hosting service for amateur radio operators, with DXpedition pages and mailing lists

A German film review website, Film-Rezensionen.de, publishing reviews and recommendations of cinema and independent films by its editorial team

John Hawks's Substack newsletter and blog on human evolution, genetics, and fossil discoveries, by a paleoanthropology researcher

ArcaSpace, Romanian aerospace company led by Dumitru Popescu, covering its rockets, hover racing championship and team

An online Ancient Greek-German dictionary based on Wilhelm Gemoll's school and handbook dictionary, searchable in Greek script or Betacode

A fan community blog covering Orlando City SC and Orlando Pride soccer, with match previews, reports and links

collectSPACE is a news and discussion site on space history, artifacts, memorabilia and pop culture, covering astronaut appearances and collectibles

A fantasy league blog on sports umpire ejections, with rulebook, scoring rules and weekly umpire posts

Permies, a permaculture and homesteading forum where members discuss sustainable land use, natural building, and self-sufficient living, founded by Paul Wheaton

Shamus Young's personal website: blog essays on PC games and hardware, plus serialized novels and music by the programmer

A German-language online newspaper from Jerusalem reporting Israeli news and opinion, with blogs, run by Israel Nachrichten Ltd

Xah Code, a personal website of programming tutorials, math notes, blogs and essays by Xah Lee

Uni Watch, a Substack newsletter by Paul Lukas on the design of sports uniforms, logos and athletics aesthetics

A online museum cataloguing screenshots and videos of old websites, apps, software and Flash games from the 1990s to late 2000s

A project website for PyPy, an alternative implementation of the Python programming language with a just-in-time compiler

Noisebridge, a San Francisco hackerspace whose wiki manual, guilds, events and projects are listed on its website

A German website on learning Russian, with pronunciation and verb exercises, a podcast, Russian recipes and travel information about Russia

A German-language podcast radio station from Leipzig producing journalistic podcasts, livestreams and music programmes, led by Christian Bollert

OpenShot, a free open-source video editing software for Linux, Mac and Windows, with a project homepage and multilingual pages

Rob Landley's personal site hosting his software projects such as toybox and Aboriginal Linux, plus his blog and essays

OPNsense, an open source firewall and routing platform project with release news, blog posts, donation information and a public roadmap