HN Atlas
← All topics

Data visualization and diagramming

Charts, plots, dashboards, visual data exploration, diagramming, and tools for communicating structured information.

3,533 stories · 57 in 30 days · Updated Sep 28, 2026

The pace of conversation

Posts per month

2020-01: 53 posts2020-02: 45 posts2020-03: 43 posts2020-04: 63 posts2020-05: 51 posts2020-06: 61 posts2020-07: 60 posts2020-08: 49 posts2020-09: 50 posts2020-10: 42 posts2020-11: 43 posts2020-12: 57 posts2021-01: 36 posts2021-02: 43 posts2021-03: 30 posts2021-04: 51 posts2021-05: 46 posts2021-06: 51 posts2021-07: 37 posts2021-08: 30 posts2021-09: 32 posts2021-10: 36 posts2021-11: 25 posts2021-12: 43 posts2022-01: 49 posts2022-02: 42 posts2022-03: 44 posts2022-04: 38 posts2022-05: 41 posts2022-06: 45 posts2022-07: 38 posts2022-08: 37 posts2022-09: 34 posts2022-10: 28 posts2022-11: 28 posts2022-12: 35 posts2023-01: 39 posts2023-02: 30 posts2023-03: 45 posts2023-04: 30 posts2023-05: 26 posts2023-06: 32 posts2023-07: 37 posts2023-08: 32 posts2023-09: 34 posts2023-10: 38 posts2023-11: 48 posts2023-12: 31 posts2024-01: 35 posts2024-02: 56 posts2024-03: 45 posts2024-04: 46 posts2024-05: 39 posts2024-06: 40 posts2024-07: 56 posts2024-08: 45 posts2024-09: 53 posts2024-10: 44 posts2024-11: 40 posts2024-12: 59 posts2025-01: 45 posts2025-02: 43 posts2025-03: 40 posts2025-04: 48 posts2025-05: 38 posts2025-06: 35 posts2025-07: 28 posts2025-08: 43 posts2025-09: 41 posts2025-10: 45 posts2025-11: 37 posts2025-12: 62 posts2026-01: 67 posts2026-02: 69 posts2026-03: 70 posts2026-04: 41 posts2026-05: 50 posts2026-06: 44 posts2026-07: 63 posts2026-08: 54 posts2026-09: 54 posts
2020-012026-09

Posts per month · first and latest months may be partial.

01 / EXPLORE THROUGH TIME

Timeline

Start with the latest. Scroll back through time, or zoom in for more.

Year by yearUp to 5 stories per year
2026512 stories
Show HN: Reladraw – A diagram language where you decide where to place things↗ github.com · HN · 118 comments · 401 points · Sep 26, 2026
Charts built for Chat↗ dbtcharts.com · HN · 89 comments · 308 points · Sep 14, 2026
Show HN: Microsoft releases Flint, a visualization language for AI agents↗ microsoft.github.io · HN · 137 comments · 350 points · Jul 08, 2026
I spent 50 hours drawing a line graph↗ dougmacdowell.com · HN · 105 comments · 664 points · May 21, 2026
ISBN Visualization↗ annas-archive.gd · HN · 41 comments · 228 points · Mar 27, 2026
2025505 stories
Who needs Graphviz when you can build it yourself?↗ spidermonkey.dev · HN · 108 comments · 524 points · Oct 29, 2025
Show HN: I was curious about spherical helix, ended up making this visualization↗ visualrambling.space · HN · 132 comments · 865 points · Aug 20, 2025
Show HN: I'm an airline pilot – I built interactive graphs/globes of my flights↗ jameshard.ing · HN · 197 comments · 1539 points · Jun 27, 2025
Apache ECharts↗ echarts.apache.org · HN · 250 comments · 1658 points · Apr 08, 2025
Winners of the $10k ISBN visualization bounty↗ annas-archive.org · HN · 66 comments · 601 points · Feb 25, 2025
2024558 stories
Visualizing World War II↗ nathangoldwag.wordpress.com · HN · 89 comments · 442 points · Nov 11, 2024
Diagram as Code↗ diagrams.mingrammer.com · HN · 131 comments · 515 points · Nov 04, 2024
AI Flame Graphs↗ brendangregg.com · HN · 89 comments · 316 points · Oct 29, 2024
Mermaid Gantt diagrams for displaying distributed traces in Markdown (2023)↗ brycemecum.com · HN · 85 comments · 369 points · Jul 17, 2024
I've stopped using box plots (2021)↗ nightingaledvs.com · HN · 247 comments · 371 points · Jun 23, 2024
2023422 stories
Visualizing expert firing frequencies in Mixtral MoE↗ mixtral-moe-vis-d726c4a10ef5.herokuapp.com · HN · 23 comments · 99 points · Dec 22, 2023
Beautiful data visualization of the US stock market↗ marketmap.one · HN · 3 comments · 15 points · Aug 17, 2023
2022459 stories
JSON Crack – Visualize JSON data into graphs↗ jsoncrack.com · HN · 96 comments · 576 points · Aug 28, 2022
Mermaid: Create diagrams and visualizations using text and code↗ mermaid-js.github.io · HN · 73 comments · 349 points · May 05, 2022
100k Stars Chrome visualization experiment↗ stars.chromeexperiments.com · HN · 81 comments · 333 points · Mar 30, 2022
Datawrapper: Create charts, maps, and tables↗ datawrapper.de · HN · 45 comments · 330 points · Feb 05, 2022
Graphviz: Open-source graph visualization software↗ graphviz.org · HN · 153 comments · 389 points · Jan 17, 2022
2021460 stories
Stack Graphs↗ github.blog · HN · 75 comments · 362 points · Dec 09, 2021
An open access book on scientific visualization using Python and Matplotlib↗ github.com · HN · 35 comments · 309 points · Nov 15, 2021
Data Structure Visualizations↗ cs.usfca.edu · HN · 19 comments · 492 points · Jul 06, 2021
Generate Flowcharts from Text↗ flowchart.fun · HN · 132 comments · 484 points · Mar 01, 2021
10 Years of Open-Source Visualization: Did I learn anything from D3.js?↗ observablehq.com · HN · 52 comments · 382 points · Feb 23, 2021
2020617 stories
Show HN: Visualize Data Structures in VS Code↗ github.com · HN · 61 comments · 509 points · Aug 28, 2020
Create diagrams with code using Graphviz↗ ncona.com · HN · 211 comments · 646 points · Jun 10, 2020
Diagram as Code↗ diagrams.mingrammer.com · HN · 74 comments · 396 points · May 12, 2020
Create Diagrams in VS Code with Draw.io↗ github.com · HN · 119 comments · 643 points · May 11, 2020
Introduction to D3↗ observablehq.com · HN · 92 comments · 599 points · Mar 03, 2020
Scroll through time ↕

02 / CATCH UP

The conversation now

Popular stories, with attention fading over roughly two weeks.

Show HN: Reladraw – A diagram language where you decide where to place things↗ github.com · HN · 118 comments · 401 points · Sep 26, 2026
Charts built for Chat↗ dbtcharts.com · HN · 89 comments · 308 points · Sep 14, 2026
Mastering Layout Engines in Graphviz: Dot vs. Neato vs. Twopi vs. Circo↗ guides.visual-paradigm.com · HN · 13 comments · 64 points · Sep 15, 2026
Show HN: Vellum, the best diagram editor you'll ever use↗ vellum.blueprintr.io · HN · 16 comments · 25 points · Sep 21, 2026
Visualizing Binary Files↗ movq.de · HN · 18 comments · 135 points · Aug 24, 2026

03 / GO DEEPER

Follow your curiosity

Find a particular story, revisit a year, or see what resonated.

Highest rated · the last 30 days

Show HN: Reladraw – A diagram language where you decide where to place things↗ github.com · HN · 118 comments · 401 points · Sep 26, 2026
Charts built for Chat↗ dbtcharts.com · HN · 89 comments · 308 points · Sep 14, 2026
Mastering Layout Engines in Graphviz: Dot vs. Neato vs. Twopi vs. Circo↗ guides.visual-paradigm.com · HN · 13 comments · 64 points · Sep 15, 2026
Show HN: Vellum, the best diagram editor you'll ever use↗ vellum.blueprintr.io · HN · 16 comments · 25 points · Sep 21, 2026
GraphViz Pocket Reference – Make a Graph↗ graphs.grevian.org · HN · 1 comments · 14 points · Sep 15, 2026
Skills Explorer: understand your SKILLs visually↗ skillsexplorer.dev · HN · 0 comments · 8 points · Sep 19, 2026
Show HN: High-performance, zero-dependency charting engine for Svelte↗ bonguynvan.github.io · HN · 0 comments · 6 points · Sep 27, 2026
Show HN: Print Graph Paper↗ printgraphpaper.app · HN · 0 comments · 6 points · Sep 26, 2026
Plotly for Highly Customizable and Non-Interactive Data Visualization↗ chris-parmer.com · HN · 0 comments · 3 points · Sep 19, 2026
Fuzzy Graph↗ fuzzygraph.com · HN · 1 comments · 3 points · Sep 14, 2026

10 stories shown.

Help shape Hacker Atlas

Useful, confusing, or missing something? I’d love to hear.

Your feedback is private. Your email is only used to reply, never to sign you up for a newsletter.