Marc Hildmann

Indie dev, C++ and ImGui

About

Building native desktop tools in C++ and Dear ImGui. Currently: ColumnLens, a data explorer for massive CSV/JSONL/Parquet files. Now on the Mac App Store.

Links

ColumnLens

Personal Website

Twitter

Badges

Tastemaker

Veteran

Gone streaking

Maker History

ColumnLensYour data as a 3D city. SQL engine meets GPU rendering.
Mar 2026

🎉

Joined Product HuntAugust 28th, 2014

Forums

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6mo ago

ColumnLens - Your data as a 3D city. SQL engine meets GPU rendering.

Native C++ desktop app with built-in SQL engine, interactive charts, 3D city visualization, text toolkit, and Lua scripting. Opens 5GB+ CSV, JSONL, Parquet, Excel & SQLite files in seconds. Built for data engineers, IoT teams, analysts, and anyone working with massive structured data. No Electron. No cloud.