ChartDB vs FlameGraph
A data-driven comparison of two Data visualization apps & tools: popularity, development activity, licensing and installation. Updated .
ChartDBAn Open-source tool to visualize database schemas and generate ER diagrams from a single query.
FlameGraphStack trace visualizer that generates interactive SVG flame graphs from profiling data.
Key differences
- ChartDB has 1.2× as many GitHub stars as FlameGraph (23K vs 19.8K).
- ChartDB had more development activity over the last 12 months: 116 commits vs 0.
- ChartDB is written primarily in TypeScript, FlameGraph in Perl.
- FlameGraph is the older project: its repository was created in 2011, ChartDB's in 2024.
- FlameGraph has had no commits since Oct 20, 2024.
By the numbers
- ChartDB
- FlameGraph
Show data as a table
| Metric | ChartDB | FlameGraph |
|---|---|---|
| GitHub stars | 22,987 | 19,785 |
| Commits, last 12 months | 116 | 0 |
| Contributors | 66 | 61 |
| Forks | 1,494 | 2,110 |
Development activity
Commits per month to each default branch, last 12 complete months.
- ChartDB
- FlameGraph
Show data as a table
| Month | ChartDB | FlameGraph |
|---|---|---|
| Oct 2025 | 18 | 0 |
| Nov 2025 | 17 | 0 |
| Dec 2025 | 48 | 0 |
| Jan 2026 | 21 | 0 |
| Feb 2026 | 1 | 0 |
| Mar 2026 | 7 | 0 |
| Apr 2026 | 4 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
Side by side
| Attribute | ChartDB | FlameGraph |
|---|---|---|
| Description | An Open-source tool to visualize database schemas and generate ER diagrams from a single query. | Stack trace visualizer that generates interactive SVG flame graphs from profiling data. |
| Category | Data visualization apps & tools | Data visualization apps & tools |
| License | AGPL-3.0 | – |
| Language | TypeScript | Perl |
| Status | Maintained | Inactive |
| Latest release | v1.20.1 () | v1.0 () |
| Last commit | ||
| Repository created | ||
| Open issues | 117 | 121 |
| Install | – | – |
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.
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ChartDB
An Open-source tool to visualize database schemas and generate ER diagrams from a single query.
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FlameGraph
Stack trace visualizer that generates interactive SVG flame graphs from profiling data.