HackerLinks

Issue / 2026-07-05

9 interesting things surfaced from HN on 2026-07-05

A daily board of tools, apps, and references that Hacker News readers pulled into view on 2026-07-05. Each row keeps the original HN thread close to the claim.

At a glance:
Items:9
Threads:8

What surfaced that day

01
CoMaps
comaps.app

Privacy-first offline map fork with route planning and battery-friendly hiking.

Show Evidence

In the Organic Maps thread, commenters called Organic Maps their go-to nav app, pointed to CoMaps as a fork gaining features, and praised its low battery drain on hikes.

02
Momentum Firmware
momentum-fw.dev

Feature-rich Flipper Zero firmware with asset packs, modules, and scripting.

Show Evidence

Comments linked momentum-fw.dev, said it works well, and asked what the current go-to unofficial firmware is.

03
Base UI
base-ui.com

Unstyled React primitives for accessible design systems.

Show Evidence

One commenter said they started using Base UI early and found the primitives very pleasant to work with.

04
PCBJam
pcbjam.com

KiCad in the browser with real editing and multiplayer collaboration.

Show Evidence

Replies talked about shareable footprint and symbol libraries, teaching use cases, and noted it is the original KiCad sources adapted for the browser.

05
EasyEDA
easyeda.com

Browser-based PCB design and circuit simulation with manufacturing hooks.

Show Evidence

In the KiCad-in-browser thread, one reply said EasyEDA was easier to use, especially with autorouting.

06
openring-rs
github.com

Rust webring generator for static sites and RSS feeds.

Show Evidence

A comment linked openring-rs and said you do not need to coordinate a real ring of links to share posts.

07
PLAI
plai.org

Free programming-languages textbook covering interpreters and semantics.

Show Evidence

A reply said, 'I would rather recommend https://www.plai.org/,' and the site itself presents PLAI as a free online textbook.

08

Pandoc reference docs for Lua-based document transforms.

Show Evidence

One commenter said they have used Lua filters for seven years and they still run fine when updating Pandoc.

09
IMCDb
imcdb.org

Movie-car database for spotting vehicles in film and TV.

Show Evidence

A commenter linked IMCDb as the Internet Movie Cars Database and pointed to it directly from the discussion.