AwesomeDataviz

VisIt

Visualization and analysis tool for large mesh-based scientific data, developed at LLNL.

Website GitHub
GitHub stars
532
Commits, last 12 months
353
Contributors
63
Last commit
Latest release
v3.5.0Apr 29, 2026

Overview

VisIt is an open-source C++ visualization tool released under the BSD-3-Clause license. Its GitHub repository has 532 stars, 140 forks, and 63 contributors. It is actively developed with 353 commits in the last 12 months. The latest release, v3.5.0, was published on Apr 29, 2026.

Its GitHub description: VisIt - Visualization and Data Analysis for Mesh-based Scientific Data

GitHub topics: hpcscientific-visualizationscientific-computingvisualizationdata-analysisradiussdata-vizpython

Development activity

Commits per month to the default branch over the last 12 complete months.

0255075 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
0255075 Oct 2025 Jan 2026 Apr Jul
353 commits from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 202562
Nov 202523
Dec 202531
Jan 202614
Feb 202621
Mar 202630
Apr 202644
May 202624
Jun 202633
Jul 202624
Aug 202622
Sep 202625

Popularity among C++ visualization libraries & applications

ImPlot 6.2K PlotJuggler 6.2K Matplot++ 4.9K F3D 4.7K Mapnik 4K ROOT 3.3K VisIt 532
ImPlot 6.2K PlotJuggler 6.2K Matplot++ 4.9K F3D 4.7K Mapnik 4K ROOT 3.3K VisIt 532
GitHub stars for VisIt and the most-starred alternatives.
Show data as a table
ToolStars
ImPlot6,239
PlotJuggler6,230
Matplot++4,937
F3D4,741
Mapnik3,965
ROOT3,307
VisIt532

Alternatives to VisIt

  • ImPlot

    Immediate-mode plotting library for Dear ImGui.

    6.2K starsC++MIT

  • PlotJuggler

    Open-source Qt5 application to plot charts (based on Qwt).

    6.2K starsC++MPL-2.0

  • Matplot++

    C++ graphics library for data visualization with a MATLAB-like API.

    4.9K starsC++MIT

  • F3D

    Cross-platform, fast, and minimalist 3D viewer with scientific visualization tools.

    4.7K starsC++BSD-3-Clause

  • Mapnik

    Toolkit for rendering maps, widely used to render OpenStreetMap tiles.

    4K starsC++LGPL-2.1

  • ROOT

    CERN framework for analyzing, storing and visualizing large scientific datasets.

    3.3K starsC++Other

VisIt FAQ

Is VisIt open source?

Yes. VisIt is released under the BSD-3-Clause license, and its source code is on GitHub.

Is VisIt still maintained?

Yes. VisIt is actively developed, with 353 commits in the last 12 months and the latest commit 2 days ago.

What are the best alternatives to VisIt?

The most popular alternatives listed in C++ visualization libraries & applications are ImPlot, PlotJuggler, and Matplot++. See the full ranking.

What language is VisIt written in?

VisIt is primarily written in C, according to GitHub.

Data: GitHub API. Updated Oct 4, 2026.