D2
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
4recommend
0warn against
Jan 18, 2026first mention
Oct 18, 2026latest mention
Why people recommend it
“I've switched to D2Lang for its easier syntax and the fact Mermaid is hard pushing AI.”
switched from Mermaidon “Pele – Mermaid diagrams as themeable SVG”
“I’ve switched to D2 from mermaid after they removed ELK from the base.”
switched from Mermaidon “Show HN: Line9 - a Mermaid rendering engine with its…”
Show 2 more
“The language is richer and all diagram types are implemented consistently in the same language”
“I love making (architecture) diagrams in D2 [1]”
Caveats and dissent
No one in these comments warned against it.
Often compared with
Threads where it came up
- Pele – Mermaid diagrams as themeable SVG 1 mention
- Show HN: Reladraw – A diagram language where you decide where to place things 1 mention
- Show HN: Line9 - a Mermaid rendering engine with its own layout 1 mention
- Old and new apps, via modern coding agents by Terry Tao 1 mention
- Pretty Fish: A better mermaid diagram editor 1 mention
- Iconify: Library of Open Source Icons 1 mention
Data: d2.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 6
“I've switched to D2Lang for its easier syntax and the fact Mermaid is hard pushing AI.”
“That’s what I have been using”
“I’ve switched to D2 from mermaid after they removed ELK from the base.”
“I just yoloed one using D2 after brief research.”
“The language is richer and all diagram types are implemented consistently in the same language”
“I love making (architecture) diagrams in D2 [1]”