Daily issue / 2026-04-20
Useful things that surfaced in Hacker News discussions on 2026-04-20. Open the context to see why each one caught our attention—or jump straight to the original thread.
What we found
A SQL-based visualization DSL that commenters found compelling and worth trying.
Source discussion: ggsql: A Grammar of Graphics for SQL
Editorial paraphrase
Commenters said ggsql looked awesome, liked it, and would try it soon.
Read the original threadA low-cost coding model family praised for strong results and good price/performance.
Source discussion: Qwen3.6-Max-Preview: Smarter, Sharper, Still Evolving
Editorial paraphrase
One commenter said GLM-5 is really good, especially on pricing, and another used GLM-5.1 with Claude Code.
Read the original threadA budget-friendly coding model that one commenter says they rely on heavily.
Source discussion: Qwen3.6-Max-Preview: Smarter, Sharper, Still Evolving
Editorial paraphrase
A commenter said they get all their coding done with MiniMax M2.5 in parallel sessions for $10/month.
Read the original threadLinux app sandboxing and packaging system.
Source discussion: OpenClaw isn't fooling me. I remember MS-DOS
Editorial paraphrase
A commenter preferred the Flatpak solution because it gives very detailed, fine-grained control.
Read the original threadPortable infrared sauna bag alternative.
Source discussion: Sauna effect on heart rate
Editorial paraphrase
A commenter said IR sauna bags you can buy online work great and give the same effects as a sauna.
Read the original threadOpen-source ebook library manager and format converter.
Source discussion: Not buying another Kindle
Editorial paraphrase
A comment called Calibre the escape hatch and the best tool for getting a library out of Amazon's format.
Read the original threadAlternative e-reader ecosystem with broad reader support.
Source discussion: Not buying another Kindle
Editorial paraphrase
A user said they switched to the Kobo ecosystem and have been pretty happy.
Read the original threadCustomizable ebook reader app for dedicated e-readers.
Source discussion: Not buying another Kindle
Editorial paraphrase
A user said they use KOReader and the UI is now stable and tailored to their taste.
Read the original threadLibrary borrowing app for instant ebook checkout.
Source discussion: Not buying another Kindle
Editorial paraphrase
A user said Libby hooks into many US library systems and feels hugely convenient and magical.
Read the original threadEPUB and comics reader with Calibre wireless sync.
Source discussion: Not buying another Kindle
Editorial paraphrase
A user said they ended up on BookShelves after trying a few options; it reads EPUBs and comics and has Calibre sync.
Read the original threadPocketable e-ink reader praised for portability.
Source discussion: Not buying another Kindle
Editorial paraphrase
A user said they bought the xteink X4 and called it a great little device.
Read the original thread