Sites like meshcore.io

AmRRON, a website of a nationwide amateur radio emergency communications network for preppers, with shop, training courses and radio interviews

HamRadio.my is a Malaysian amateur radio blog by operator 9M2PJU, covering radio reviews, firmware guides, circuit tools and self-hosted projects

unsigned.io is a personal site by an independent developer covering Reticulum mesh networking, LXMF messaging, and open-source RNode radio hardware

Open source software libraries and blog for computational design and art by Karsten Schmidt, known as thi.ng

The APRSPH Net, a Philippine amateur radio group's website with net logs, APRS SMS gateway instructions, and radiogram records

Personal blog by Jonah Aragon with posts on privacy, surveillance, Mastodon self-hosting, and tech notes and videos

73QRZ is a ham radio dashboard with live HF band conditions, PSK Reporter and Reverse Beacon spots, solar data, and a wiki

Lutz Electronics, a Swiss shop selling portable amateur radio equipment and running SOTA summit-activation guides, in German

Woodpecker CI, a continuous integration server forked from Drone 0.8, with an awesome-list of related tools and tutorials

Durdraw, a text editor for making ASCII, Unicode and ANSI art on Linux and macOS terminals, by cmang.org

Nominatim, an open-source geocoding software and API using OpenStreetMap data for place name and address lookup, maintained by Sarah Hoffmann

A personal blog by Brian Sherman (USRadioguy) on radio hardware, shortwave and satellite listening, space and weather feeds

ChirpStack, an open-source LoRaWAN network server with a web interface for managing gateways, devices and tenants, plus documentation

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

QRP Labs, a shop and news site selling amateur radio transceiver, beacon and enclosure kits, with build notes and tracking pages by its team

textlog is a social microblogging platform for short public notes with hashtags, mentions and threaded conversations, offering a public API

An SMS gateway service bridging APRS and Winlink amateur radio messages to phones, run by NA7Q, with terms of service

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

VisiData is an open-source terminal tool for viewing, editing and analysing tabular data, with its documentation and quick reference guide

BUTT, a free multi-OS live audio streaming tool for Icecast, Shoutcast and WebRTC, by developer Daniel Nöthen

FS HOT, a personal website blog by Deakster covering technology, ideas, everyday life, free privacy tools and retro projects

POTACAT, a free open-source desktop app and website for ham radio spotting, remote operation and on-air badges, by Casey K3SBP

DietPi, a lightweight minimal Debian operating system image for single-board computers, with a blog, documentation and usage statistics

Personal portfolio of Imran R featuring a homelab infrastructure-as-code setup, Kubernetes and Docker Compose projects, and the Obtainium Android app

A personal blog by Jeff Geerling on software development, Raspberry Pi and maker hardware, and open source tech news

CQRLOG, a free Linux ham radio logging program with MySQL database, radio control and DX cluster support, by developers Petr and Martin

React Suite, an open-source React UI component library and documentation site for enterprise web applications

A project page for Molly, an independent Android fork of the Signal messaging app with added features

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

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

MetaBrainz Foundation, a non-profit publishing community-maintained open music metadata databases such as MusicBrainz, with API access and data dumps

WD4DAN's site offers ham radio tools and videos: an ADIF log editor, QSO map, POTA parks-needed tracker and N3FJP night theme