Compare software

flamebearer vs FlameGraph: catalog facts
flamebearer	FlameGraph
Best for: JavaScript and Node developers investigating CPU performance traces	Best for: Developers tracing where a program spends CPU time
Free Free and open source under the ISC license.	Free Free under the CDDL-1.0 license.
Command line	Command line
Reads Chrome performance recordings and Node CPU profiles Summarizes CPU offenders, hot lines, and long tasks All 3 strengths for flamebearer Reads Chrome performance recordings and Node CPU profiles Summarizes CPU offenders, hot lines, and long tasks Uses source maps to de-minify frames when available	Works with stack samples from several profiling tools Lets you zoom into frames and search the graph All 3 strengths for FlameGraph Works with stack samples from several profiling tools Lets you zoom into frames and search the graph Includes converters for multiple stack trace formats
Command-line interface with no graphical view	Requires stack samples from a separate profiler
Downloadable app	Downloadable app
Open source	Open source
License: ISC	License: CDDL-1.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for flamebearer github.com/mourner/flamebearer Catalog checked October 8, 2026	Official website Full listing and sources Sources for FlameGraph github.com/brendangregg/FlameGraph Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.