Project Summary
The main purpose of the pdfTeX project is to create and maintain an extension of TeX that can produce PDF directly from TeX source files and improve/enhance the result of TEX typesetting with the help of PDF. When PDF output is not selected, pdfTEX produces normal DVI output, otherwise it generates PDF output that looks identical to the DVI output.
An important aspect of this project is to investigate alternative justification algorithms (e. g. a font expansion algorithm akin to the hz micro--typography algorithm by Prof. Hermann Zapf), optionally making use of Multiple Master fonts.
pdfTEX is based on the original TeX sources and Web2c, and has been successfully compiled on Unix, Win32 and MSDOS systems.
In a Nutshell, pdfTeX...
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has a well established, mature codebase
maintained by a small development team
with increasing Y-O-Y commits -
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took an estimated 3,073 years of effort (COCOMO model)
starting with its first commit in August, 2003
ending with its most recent commit about 1 month ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
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Sub-License
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Include Copyright
State Changes
Include License
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
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummaryMay 22 2025 — Jun 21 2025
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12 Month SummaryJun 21 2024 — Jun 21 2025
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