VERDICT
D2 is a modern DSL that turns text to diagrams. - d2lang.com
Worth it. Buy if your team writes code and wants architecture diagrams that live in version control — it is free and well-regarded. Skip it if you want drag-and-drop diagramming or will not learn a DSL syntax.
Medium. Based on ~20 public sources including GitHub, Reddit, Hacker News, and official docs. No review ratings or company-name evidence available.
Free
Open source
medium
No paid tier means no vendor support — you rely on GitHub issues and community forums.
low
Guess: still pre-v1, so expect occasional syntax changes between releases requiring diagram edits.
low
Searching 'D2' surfaces Diablo II results and forks, complicating docs and hiring.
Value for money: 5/5
Rating
Free
Starting price
10
Sources
Analyzed
Free
No known vulnerabilities found in the sources reviewed.
Users on Reddit and Hacker News praise the diagram output quality while noting the DSL learning curve and the confusing D2 name.
“Holy crap D2 diagrams are impressive”
“I much prefer d2 https://d2lang.com/ Only downside is ...”
“It's really unfortunate naming this project D2”
Compare D2lang with each alternative.
Older text-to-diagram standard; huge ecosystem, uglier output.
Guess: renders diagrams natively in Markdown and GitHub.
Visual C4 architecture tool; drag-and-drop, paid.
D2lang vs IcePanelClassic dot-based diagramming; battle-tested, dated output.
D2lang vs GraphvizBased on ~20 public sources including GitHub, Reddit, Hacker News, and official docs. No review ratings or company-name evidence available.
Free open-source text-to-diagram DSL. Devs love it; non-coders and slide-deck makers should look elsewhere.
Based on ~20 public sources including GitHub, Reddit, Hacker News, and official docs. No review ratings or company-name evidence available.
Anonymous. You can change your vote.
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