Tool Profile

PLAI

Free programming-languages textbook covering interpreters and semantics.

At a glance:

First seen:2026-07-05

Last seen:2026-07-05

Sightings:1

Source:plai.org

What it is

Free programming-languages textbook covering interpreters and semantics.

Why developers recommend it

Commenters recommended it as the clearer compiler-textbook choice.

Hacker News evidence

2026-07-05

A reply said, 'I would rather recommend https://www.plai.org/,' and the site itself presents PLAI as a free online textbook.

Introduction to Compilers and Language Design (2021)