Daily issue / 2026-04-18
Useful things that surfaced in Hacker News discussions on 2026-04-18. Open the context to see why each one caught our attention—or jump straight to the original thread.
What we found
A design tool commenters thought fits the agentic era because it treats designs as markup instead of opaque canvas state.
Source discussion: Thoughts and feelings around Claude Design
Editorial paraphrase
A commenter said PenPot might be sitting pretty in this new agentic era because it uses designs as actual markup rather than a pure canvas model.
Read the original threadA Markdown superset for docs, dashboards, and slides that HN readers compared to other Markdown-powered publishing tools.
Source discussion: Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data
Editorial paraphrase
Commenters immediately compared it with Marp, Djot, Evidence, and a similar CLI/web solution, sdocs.dev.
Read the original threadA similar CLI + web Markdown publishing tool that got a shout-out in the MDV discussion.
Source discussion: Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data
Editorial paraphrase
One commenter said their own 'similar cli + web based solution' was sdocs.dev and linked it as a reference point.
Read the original threadA Markdown + ClickHouse BI/dashboarding tool that commenters highlighted as easy for both models and humans to work with.
Source discussion: Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data
Editorial paraphrase
A commenter said they work on Evidence, a dashboarding/BI solution built around Markdown and ClickHouse, and that models are good at writing it.
Read the original threadA simple Markdown-to-slides tool with self-hostable HTML/PDF output that commenters already use in practice.
Source discussion: Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data
Editorial paraphrase
A commenter said they often use Marp for Markdown slides and liked its mostly syntax-light approach plus HTML/PDF export.
Read the original threadA clean Markdown superset that commenters described as a well-designed extension path for richer document syntax.
Source discussion: Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data
Editorial paraphrase
One commenter said they had been enjoying djot.net as a superset of Markdown with front matter, schemas, and code-fence metadata.
Read the original threadA lower-cost hosting provider that people described as a good migration target from DO and Linode.
Source discussion: Migrating from DigitalOcean to Hetzner
Editorial paraphrase
One commenter said they moved two servers from Linode/DO to Hetzner and got similar savings.
Read the original threadA micro-Unix aimed at old and resource-constrained systems.
Source discussion: Fuzix OS
Editorial paraphrase
A commenter said it may pop up on Raspberry Pi Picos and 8-bit micros even though the docs are rough.
Read the original threadA calculator for interval arithmetic over disjoint sets that tries to preserve the inclusion property.
Source discussion: Show HN: I made a calculator that works over disjoint sets of intervals
Editorial paraphrase
The author explained the inclusion-property approach, and another commenter called it great while linking a related interval arithmetic graphing calculator.
Read the original threadA FOSS video editor that commenters said hits a sweet spot between basic editors and DaVinci Resolve.
Source discussion: State of Kdenlive
Editorial paraphrase
One commenter called Kdenlive the perfect sweet spot and said it pairs well with OBS and Audacity for a full FOSS media stack.
Read the original thread