HarfBuzz

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I Use This!

Very High Activity

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

Project Summary

HarfBuzz is an OpenType text shaping engine.

Tags

development font fonts i18n internationalization layout library opentype otf truetype ttf typesetting typography unicode

In a Nutshell, HarfBuzz...

...
has had 22,228 commits made by 334 contributors
representing 218,242 lines of code
...
is mostly written in C++
with an average number of source code comments
...
has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits
...
took an estimated 57 years of effort (COCOMO model)
starting with its first commit in December, 2000
ending with its most recent commit 3 days ago

Quick Reference

Code Locations:

https://github.com/harfbuzz/harf...

Similar Projects:

Behdad Esfahbod

Licenses

MIT License

Permitted

Commercial Use

Modify

Distribute

Sub-License

Private Use

Forbidden

Hold Liable

Required

Include Copyright

Include License

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

All Licenses

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record

Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities

Few reported vulnerabilities

About Project Vulnerability Report

Did You Know...

...
65% of companies leverage OSS to speed application development in 2016
...
compare projects before you chose one to use
...
there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
...
search using multiple tags to find exactly what you need

About Project Security

Code

Lines of Code

Activity

Commits per Month

Community

Contributors per Month

Languages

C++	78%
C	13%
9 Other	9%

30 Day Summary

Sep 20 2026 — Oct 20 2026

210 Commits
16 Contributors
including 9 new contributors

12 Month Summary

Oct 20 2025 — Oct 20 2026

2451 Commits
Up + 353 (16%) from previous 12 months
60 Contributors
Up + 19 (46%) from previous 12 months

Most Recent Contributors

	Mar		dependabot[bot]
	Behdad Esfahbod		Yao Zi
	nussaibah shaikh		Roshan Ramani

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Static Analysis ( Generated by Coverity Scan for HarfBuzz )

Repository URL: https://github.com/harfbuzz/harfbuzz

Version: trunk

2026-10-21
Last Analyzed

236,156
Lines of Code Analyze

0.39
Defect Density

Defects by status for current build

251
Total defects

91
Outstanding

155
Fixed

CWE Top 25 defects

ID	CWE-Name	Number of Defects
190	Integer Overflow or Wraparound	16