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Free and Open Source GIS Ramblings: Belém, Salzburg, and onwards

OSGeo PlanetJuly 11, 2026

It’s been a couple of busy weeks, with the QGIS 4.2 release and meetings and conferences all over the place before a few, hopefully quieter, weeks of summer break. QGIS The Austrian QGIS user group met online on 25 June to exchange experiences with different webmapping solutions, ranging from…

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QuadRF can spot drones and see WiFi through my wall

Jeff GeerlingJuly 10, 2026

The QuadRF (pictured above) a phased-array radio built around a Raspberry Pi 5 and an FPGA board with picosecond-level timing. It does advanced signal processing and beamforming. It can see WiFi through walls and track drones in flight. If the open source community can come up with something like…

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Game Review: Lovers In A Dangerous Spacetime ★★★☆☆

Terence EdenJuly 10, 2026

My new year's resolution is to play more video games with my wife. Specifically co-operative games. I hate playing competitively; it's rubbish to achieve victory at the expense of someone else. So I asked for recommendations and picked the cheapest things which looked reasonable. Several people…

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geomatico: Estandarizando la biodiversidad marina con el ICM

OSGeo PlanetJuly 09, 2026

Para organizaciones científicas como el Instituto de Ciencias del Mar (ICM), la alineación con los estándares internacionales no es solo una cuestión técnica, sino una necesidad estratégica para que sus investigaciones tengan un impacto real. El uso de estándares permite que los datos dejen de ser…

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ASF Plus One Newsletter: June 2026

Apache NewsJuly 08, 2026

This month’s Plus One celebrates the people and projects shaping the ASF community. We reflect on the role of mentorship through the Google Summer of Code Mentor Summit, share the latest for Community Over Code Glasgow 2026, and welcome Apache Livy and Apache Magpie as ASF’s newest Top-Level…

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The Special Value Pi 4 was extremely short-lived

Jeff GeerlingJuly 08, 2026

The 'Special Value' Pi 4 pictured above is probably the rarest Raspberry Pi I own—even rarer than my <lue special edition Pi. A Raspberry Pi reseller briefly listed a special 'value edition' Pi 4. But the product page 404's now. While it was up, my curiosity got the better of me, and now I have two…

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A bug which only affected left-handed users

Terence EdenJuly 08, 2026

Verily, some of our brethren (and sistren) be afflicted with a sinister disposition. While the righteous scroll using the thumb of their right hand - as is good and proper - an accurs'd minority swing the other way. Look, you try writing an interesting bug report without sounding like a clanker,…

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Scheme Requests for Implementation: SRFI 277: Cyclic ports

Scheme PlanetJuly 07, 2026

SRFI 277 is now in draft status. Cyclic ports are like infinite string and bytevector input ports: they produce the elements of a given sequence repeatedly, forever. While their intended use is as reusable seeds for SRFI 271 random ports, they are also useful whenever a…

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I'm just so bored of AI

Terence EdenJuly 06, 2026

I'm just so bored of talking about AI. It's like listening to vapers tell me how delicious their flavoured poison is. Did you ever meet someone at university who'd just tried drugs for the first time? Listening to a stoner ramble on about their mystic crystal revelations is amusing for the first…

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jointhefreeworld: Hacking Freedom: Compiling GNU Emacs from Source

Scheme PlanetJuly 01, 2026

By compiling GNU Emacs directly from the upstream Savannah repositories, you unlock the absolute bleeding edge of the extensible, self-documenting operating system disguised as a text editor. True autonomy over your computing environment sometimes involves building your own tools and customizing…

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Scheme Requests for Implementation: SRFI 124: Ephemerons

Scheme PlanetJune 30, 2026

SRFI 124 is now in withdrawn status. An ephemeron is an object with two components called its key and its datum. It differs from an ordinary pair as follows: if the garbage collector (GC) can prove that there are no references to the key except from the ephemeron itself and …

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Scheme Requests for Implementation: SRFI 254: Ephemerons and Guardians

Scheme PlanetJune 30, 2026

SRFI 254 is now in final status.This SRFI describes three concepts associated with the storage management of a Scheme system, ephemerons, guardians, and transport cell guardians. An ephemeron is a record structure with a key and a value field. An ephemeron can be broken. Breaking an…

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The Apache® Software Foundation Announces New Top-Level Project

Apache NewsJune 30, 2026

Apache® Magpie provides open source maintainers with platform infrastructure for agent-assisted repository maintainership Wilmington, DE –  June 29, 2026 – The Apache Software Foundation (ASF), the global home of open source software the world relies on, today announced that Apache Magpie has become…

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Gwen Weinholt: Loko Scheme 0.13.0

Scheme PlanetJune 27, 2026

Loko Scheme 0.13.0 is now available from: https://scheme.fail/releases/loko-0.13.0.tar.gz https://scheme.fail/releases/loko-0.13.0.tar.gz.sig A bootable disk image for 64-bit PCs is available…

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Quickly apply LUTs (color grading) with ffmpeg

Jeff GeerlingJune 25, 2026

This is a quick post, mostly for my own reference. I've avoided LUTs and 'Log' video footage for years1, mostly because of the extra tiny bit of workflow involved. Like RAW photos, 'Log' footage retains the video sensor's full dynamic range, so you can pull more color and luminance information out…

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Scheme Requests for Implementation: SRFI 276: Type-specific Flonum Libraries

Scheme PlanetJune 23, 2026

SRFI 276 is now in draft status. This SRFI is an updated version of SRFI 144 that allows an implementation to support multiple flonum representations. Each flonum has its own separate library. Each library also has the ability to inspect properties of the flonum operations, such as rounding …

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Mark Damon Hughes: Under Stone 1.1

Scheme PlanetJune 23, 2026

I made this for the Lisp Game Jam Spring 2026, and a month later I have a much more complete role-playing game: UNDER STONE 1.1 release! Complete game with: Help! Saving! Job change! Items! Merchant! Second dungeon! WOW! $10 or PWYW. Get it now on itch.io

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The Racket Blog: Rhombus v1.0

Scheme PlanetJune 22, 2026

Rhombus version 1.0 is now available! Install: https://rhombus-lang.org/download.html More information: https://rhombus-lang.org/ Why a new language? https://rhombus-lang.org/goal.html (copied below) Frequently Asked Questions: https://rhombus-lang.org/faq.html (copied below) …

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On the new SFC recommendations for LLM/generative AI use

Lars WirzeniusJune 19, 2026

The Software Freedom Conservancy has yesterday published recommendations for using large language models / generative AI for free and open source contributions. It's better than I thought it was, based on initial reactions from my peers, but I am disappointed. They make 14 recommendations. I have…

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State of Radicle CI and where it's going: June 2026

Lars WirzeniusJune 17, 2026

This month in Radicle CI, June 2026 This is a monthly newsletter about the current state of Radicle CI, what has happened recently, and near future plans. Current status Radicle CI is in production use. There are several CI nodes, and Lars runs a public one for open source Rust projects…

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Quick Review of "Nix Flakes and their Guix Equivalents"

Guix PlanetJune 13, 2026

There is a recent blog post about Nix Flakes vs Guix: https://coopi.neocities.org/posts/nix-flakes-vs-guix

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You can finally power on a Mac remotely

Jeff GeerlingJune 12, 2026

Apple FINALLY lets you turn on your Mac remotely, without having to press the power button. In the media, articles suggest it's a reaction to Mac mini power button complaints. While I agree the M4 mini's power button is in a really dumb spot, that's not why I care about this feature. The two…

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GeoLibre 1.0: A Free, Open-Source Cloud-Native GIS That Runs Anywhere

Qiusheng WuJune 10, 2026

Introducing GeoLibre 1.0, a free and open-source, lightweight, cloud-native GIS platform that runs in your browser, as a desktop app, on your phone, and inside Jupyter notebooks.

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What the GSoC Mentor Summit Reminded Me About Open Source

Apache NewsJune 09, 2026

By: Priya Sharma As a Google Summer of Code (GSoC) organization admin representing the Apache Software Foundation, I had the privilege of attending the GSoC Mentor Summit 2025, and it was an incredible experience! The Mentor Summit is a unique opportunity to connect with amazing mentors and discuss…

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I tested every IP KVM in my Homelab

Jeff GeerlingJune 05, 2026

Since the PiKVM came out in 2017, there's been an explosion of IP KVMs. I've tested almost every one. But what are they good for? You can use Remote Desktop, Screen Sharing, or VNC to remote control a computer from anywhere on a LAN. And if you don't have a private VPN, you could use RealVNC,…

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