Sites like electronoobs.com

German blog with DIY projects, build instructions, tutorials, and tests of electronics and solar equipment for tinkerers and home improvers

Free embedded systems tutorials, articles and projects on firmware, microcontrollers and DSP, by engineer Khaled Magdy

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

A community forum and tips site on computer tweaks, tricks and software, covering macOS, Windows and related utilities

Recalbox, an open-source retrogaming console and emulation software that plays classic console, computer and arcade games

Node-RED, an open-source low-code tool for wiring event-driven applications and real-time data flows, with a blog and documentation

QLC+ is an open-source lighting console software project by Massimo Callegari, with downloads, release news and updates

Personal blog by Maks Surguy on technology innovation, IoT, design and code, with tutorials, tips and books

Electronic Clinic, a blog of Arduino, ESP32 and IoT electronics projects with hands-on tutorials and sensor tests

OpenMV is a company selling open-source machine vision cameras and microcontroller boards, with a shopping cart and blog

Video tutorials and projects by Rob Smith on retro computing, Amiga games and Arduino electronics

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

NotEnoughTech is a tech blog by Mat Zolnierczyk covering smart home gadgets, Raspberry Pi, Tasker automation and product reviews

Oscar Liang's blog of FPV drone tutorials, build guides and product reviews

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

Hackaday.io, a community platform where makers publish and share open hardware development projects and build logs

A French-language project page for Armbian, an open-source Debian and Ubuntu Linux distribution for ARM single-board computers

A blog by Steve on MQTT messaging protocol and networking technologies, with tutorials for IoT engineers and hobbyists

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

The official home of Xfce, a lightweight desktop environment for UNIX-like operating systems, with release news and blog posts

A blog of overcomplicated DIY hardware projects, such as Lego marble runs, wooden Game Boys and macro keyboards, with original music

Personal blog by Miguel Grinberg on Linux containers, Python performance, Forgejo and other software development topics

A Python plotting library documentation site for Matplotlib, covering static, animated and interactive data visualizations

A free open-source retro-gaming Linux distribution that turns a USB stick, SD card or computer into a gaming console

A free, open-source Android-based mobile operating system for various devices, with release changelogs and news from its team

Mongoose, an object modeling library for MongoDB in JavaScript, with documentation, changelog, news and plugin listings

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

The Coding Train is a video tutorial and showcase site by Dan Shiffman teaching programming with p5.js and JavaScript

Audio Science Review, a forum and measurement database where Amir tests and reviews headphones, speakers and audio electronics

Kivy, an open-source Python framework for building cross-platform GUI apps, with a project blog, about page and documentation

Blakadder's blog of smart home DIY guides and gadget reviews, covering Tasmota, Zigbee, ESPHome and Home Assistant hardware