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Postgres.js VS D2

Compare Postgres.js VS D2 and see what are their differences

Postgres.js

Postgres.js - The Fastest full featured PostgreSQL client for Node.js - porsager/postgres

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0 reviews
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Alternatives Is it good?
D2

Modern diagram scripting language to turn text to diagrams

Rating
0 reviews
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Which is more popular?

Based on our record, Postgres.js should be more popular than D2. It has been mentioned 25 times since March 2021.

social mentions
25 vs 4
Developer Tools popularity
60% vs 40%
alternatives listed
12 vs 30

Base details

Website, pricing, platforms and company facts side by side.

Postgres.js
D2
Website github.com github.com
Listed in
Developer Tools Blogging JavaScript Framework ORM +1
Diagrams Web Frameworks Open Source Developer Tools +1

Features and specs

What each product offers, as listed by its team.

Postgres.js 5 features
D2 0 features
  • Performance
    Postgres.js is designed to provide fast queries and optimized performance using native calls to PostgreSQL.
  • Lightweight
    The library is lightweight, with minimal dependencies, which can lead to easier maintenance and deployment.
  • Asynchronous
    It supports asynchronous operations using modern JavaScript Promise-based syntax, improving code readability and maintainability.
  • Support for PostgreSQL Features
    It includes support for a wide range of PostgreSQL features such as transactions, streaming, and logical replication.
  • Community Support
    Being an open-source project, it has community contributions and support, which can help in getting issues resolved and features updated.

Possible disadvantages

  • Learning Curve
    Developers who are new to this library might face a learning curve as it might differ from other more commonly used PostgreSQL libraries.
  • Maturity
    Compared to older libraries like node-postgres (pg), it might lack the extensive documentation and long-term usage by large projects.
  • Niche Use Case
    May not be the best fit for applications that require a middleware ORM or the abstractions provided by traditional ORMs.
  • Smaller Ecosystem
    While it is growing, the ecosystem of third-party tools and plugins is not as large as those for some established libraries.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Postgres.js
D2

No analysis of Postgres.js yet.

Overall verdict

  • D2 is an excellent modern diagramming tool that lets you create diagrams from plain text, offering a clean syntax, attractive automatic layouts, and strong developer-friendly integration, making it a top choice for text-based diagramming.

Why this product is good

  • Uses a simple, readable declarative syntax that makes diagrams easy to write and version-control
  • Produces polished, professional-looking diagrams with multiple layout engines (Dagre, ELK, TALA)
  • Open source and actively maintained with a growing community and ecosystem
  • Supports advanced features like themes, animations, sketch-style rendering, and interactive tooltips
  • Integrates well with developer workflows, CI/CD pipelines, and documentation-as-code setups
  • Offers both a CLI and a hosted playground for quick experimentation

Recommended for

  • Software engineers and architects documenting system designs
  • Teams practicing diagrams-as-code and version-controlled documentation
  • Technical writers who want reproducible, maintainable diagrams
  • Developers who prefer text-based workflows over drag-and-drop editors
  • Open source projects needing embeddable architecture and flow diagrams

Videos

Walkthroughs and reviews on video.

Postgres.js 0 videos + Add
D2 3 videos + Add

No Postgres.js videos yet. You could help us improve this page by suggesting one.

D2 Review | If John Carpenter's The Thing Was A Soap Opera

More videos

  • - Review: Gait D2 Series
  • - Classic Game Room - D2 review for Sega Dreamcast

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Postgres.js
D2
60% 60%
Developer Tools
40% 40%
100% 100%
Blogging
0% 0%
0% 0%
Open Source
100% 100%
100% 100%
ORM
0% 0%

User comments

Share your experience with using Postgres.js and D2. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Postgres.js 25 mentions
D2 4 mentions
  • A SELECT that returned more rows than its LIMIT
    We use postgres-js (the postgres package) with a connection pool, like most people do. Here's the shape of the bug, straight out of src/connection.js in the current release:. - Source: dev.to / about 1 month ago
  • Why Node.js needs a virtual file system
    Bun provides native MySQL, SQlite, and Postgres drivers. I'm not saying Node should support every db in existence but the ones I listed are critical infrastructure at this point. When using Postgres in Node you either rely on the old pg... - Source: Hacker News / 8 months ago
  • Show HN: Pg-typesafe – Strongly typed queries for PostgreSQL and TypeScript
    Is there a way to make this work with https://github.com/porsager/postgres ? It's very close to raw SQL but with safe substitutions. I use it with Zod, but it would be great to have the types derived automatically. - Source: Hacker News / 9 months ago

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  • Exploring Goja: A Golang JavaScript Runtime
    I work on the D2 project ([0]) and we switched from other Javascript runners (v8go) to Goja. Using a JS runtime with a dependency on cgo means your Go program loses the (huge) benefit of cross-compiling to different architectures, since... - Source: Hacker News / about 2 years ago
  • I want to contribute to open source but don't know where to start
    You're welcome in D2! I maintain a Text to diagram language, released a few months ago, 13k+ stars, I'm actively tagging issues that are good first issues, clean well-tested Go, and I'm happy to help you get that first merge in. Feel... Source: over 3 years ago
  • Concrete Diagramming, a Lightweight Alternative to C4
    Right. It's okay to leave written documentation on SaaS (e.g. Notion), because the text is the artifact. If they're shutting down, or I don't like them anymore, I just move the text. But if Ilograph goes down, all I have is... - Source: Hacker News / over 3 years ago

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