Key differences

  • FlameGraph and Data Formulator have a similar number of GitHub stars (19.8K vs 17.5K).
  • Data Formulator had more development activity over the last 12 months: 930 commits vs 0.
  • Data Formulator is written primarily in Python, FlameGraph in Perl.
  • FlameGraph is the older project: its repository was created in 2011, Data Formulator's in 2024.
  • FlameGraph has had no commits since Oct 20, 2024.

By the numbers

  • Data Formulator
  • FlameGraph
GitHub stars
17.5K 19.8K
Commits, last 12 months
930 0
Contributors
36 61
Forks
1.7K 2.1K
Show data as a table
Data Formulator vs FlameGraph by the numbers
MetricData FormulatorFlameGraph
GitHub stars17,52519,785
Commits, last 12 months9300
Contributors3661
Forks1,7242,110

Development activity

Commits per month to each default branch, last 12 complete months.

  • Data Formulator
  • FlameGraph
0100200300 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
0100200300 Oct 2025 Jan 2026 Apr Jul
Show data as a table
Data Formulator vs FlameGraph: commits per month
MonthData FormulatorFlameGraph
Oct 2025400
Nov 2025420
Dec 2025480
Jan 2026380
Feb 20261290
Mar 20261460
Apr 20262310
May 20261360
Jun 2026220
Jul 2026660
Aug 2026320
Sep 202600

Side by side

AttributeData FormulatorFlameGraph
DescriptionAI-assisted tool for transforming data and creating visualizations, from Microsoft Research.Stack trace visualizer that generates interactive SVG flame graphs from profiling data.
CategoryData visualization apps & toolsData visualization apps & tools
LicenseMIT–
LanguagePythonPerl
StatusActiveInactive
Latest release0.8b1 ()v1.0 ()
Last commit
Repository created
Open issues54121
Install
pip install data-formulator
–

Which should you choose?

Popularity and activity are only part of the story. Consider which ecosystem you work in, the chart types and interactions you need, how much data you render, and whether the license fits your project. Both tool pages list alternatives if neither is quite right.

  • Data Formulator

    AI-assisted tool for transforming data and creating visualizations, from Microsoft Research.

    17.5K starsPythonMIT

  • FlameGraph

    Stack trace visualizer that generates interactive SVG flame graphs from profiling data.

    19.8K starsPerl

More comparisons