Project Summary
The ROOT system provides a set of OO frameworks with all the functionality needed to handle and analyze large amounts of data in a very efficient way. Included are histogramming methods, curve fitting, function evaluation, minimization, graphics and visualization classes to allow the easy setup of an analysis system that can query and process the data interactively or in batch mode.
Thanks to the builtin C++ interpreter, ROOT can be used interactively with C++, as well as a C++ library. It has many language bindings, most notably an excellent dynamic Python binding.
ROOT is widely used by researchers in the field of High Energy Physics and has been developed at CERN (http://www.cern.ch).
In a Nutshell, ROOT...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 787 years of effort (COCOMO model)
starting with its first commit in May, 2000
ending with its most recent commit 12 days ago
Quick Reference
GNU Lesser General Public License v2.1 or later
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These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
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30 Day SummaryJun 12 2025 — Jul 12 2025
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12 Month SummaryJul 12 2024 — Jul 12 2025
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