MessagePack

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Analyzed 1 day ago. based on code collected 2 days ago.

Project Summary

MessagePack is binary-based efficient data interchange format. It is like JSON but very fast and small.

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In a Nutshell, MessagePack...

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has had 16,640 commits made by 535 contributors
representing 694,090 lines of code
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is mostly written in C#
with a low number of source code comments
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits
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took an estimated 191 years of effort (COCOMO model)
starting with its first commit in February, 2009
ending with its most recent commit 3 days ago

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Apache License 2.0

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These details are provided for information only. No information here is legal advice and should not be used as such.

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Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

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Poor security track-record

Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities

Few reported vulnerabilities

About Project Vulnerability Report

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About Project Security

Code

Lines of Code

Activity

Commits per Month

Community

Contributors per Month

Languages

C#	81%
26 Other	19%

30 Day Summary

Jul 28 2026 — Aug 27 2026

22 Commits
10 Contributors
including 3 new contributors

12 Month Summary

Aug 27 2025 — Aug 27 2026

180 Commits
Down -42 (18%) from previous 12 months
28 Contributors
Up + 3 (12%) from previous 12 months

Most Recent Contributors

	Andrew Chen		Inada Naoki
	Scala Steward		Dylan Pulver
	Copilot		Haïm Dimer

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