diff --git a/by-topic.md b/by-topic.md
index b4bce41..05310f0 100644
--- a/by-topic.md
+++ b/by-topic.md
@@ -230,6 +230,7 @@
 - [unity](#unity)
 - [vim](#vim)
 - [visual-studio-code](#visual-studio-code)
+- [visualization](#visualization)
 - [vpn](#vpn)
 - [vue](#vue)
 - [vuejs](#vuejs)
@@ -5197,6 +5198,19 @@
 
 - [yzane/vscode-markdown-pdf](https://github.com/yzane/vscode-markdown-pdf) - Markdown converter for Visual Studio Code
 
+## visualization 
+
+- [reorx/httpstat](https://github.com/reorx/httpstat) - curl statistics made simple
+- [AykutSarac/jsoncrack.com](https://github.com/AykutSarac/jsoncrack.com) - ✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.
+- [metabase/metabase](https://github.com/metabase/metabase) - The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:
+- [observablehq/plot](https://github.com/observablehq/plot) - A concise API for exploratory data visualization implementing a layered grammar of graphics
+- [Dr-Eberle-Zentrum/dbWebGen](https://github.com/Dr-Eberle-Zentrum/dbWebGen) - Database Web Forms Generator
+- [jwilber/roughViz](https://github.com/jwilber/roughViz) - Reusable JavaScript library for creating sketchy/hand-drawn styled charts in the browser.
+- [apexcharts/apexcharts.js](https://github.com/apexcharts/apexcharts.js) - 📊 Interactive JavaScript Charts built on SVG
+- [sidtechnical/hakuna-metadata-1](https://github.com/sidtechnical/hakuna-metadata-1) - Browsing  metadata visualization tool: Explore how ISPs can see and monetize your browsing history.
+- [plotly/plotly.js](https://github.com/plotly/plotly.js) - Open-source JavaScript charting library behind Plotly and Dash
+- [d3/d3](https://github.com/d3/d3) - Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada:
+
 ## vpn 
 
 - [whyvl/wireproxy](https://github.com/whyvl/wireproxy) - Wireguard client that exposes itself as a socks5 proxy