PLDB is a public domain ScrollSet and website, compiling over 135,000 facts about 4,000+ programming languages. This repository hosts the entire ScrollSet, codebase, and website for https://pldb.io.
The PLDB data is available in popular formats, with full documentation:
- Clone the repository.
- Create a new
.scrollfile inconcepts/(e.g.,concepts/[newId].scroll). - Use the Designer for autocomplete support.
- Submit a pull request.
- Fork this repository.
- Visit:
https://github.com/[yourGithubUserName]/pldb/new/main/concepts - Use the Designer.
- Submit a pull request.
Click the edit button on the top right of a page and edit the language.
Modify code/measures.parsers and add at least one measurement in a concepts file, then submit a pull request.
git clone https://github.com/breck7/pldb
cd pldb
# Install dependencies (initial setup)
npm i -g cloc
npm install .
# Run tests (optional)
npm run test
# Build the site
npm run build
# Format changes before committing
npm run formatconcepts: Contains the ScrollSet with one file per language/concept.code/measures.parsers: Defines the schema for measurements in the ScrollSet.- Language Stats: See detailed language statistics at PLDB Stats.
All sources for PLDB are listed on the Acknowledgements page.
PLDB is a comprehensive database on programming languages for:
- Programming Language Creators: Discover data-driven insights to enhance language design by referencing historical data from thousands of languages.
- Programming Language Users: Gain a strategic perspective on the programming language landscape to advance projects and career goals.
Get Involved | GitHub Repository
PLDB is powered by many contributors and various open-source projects. Thank you to all! Full list on the Acknowledgements page.
PLDB ranks languages based on a composite score from five broad categories. The ranking algorithm details can be explored in The Rankings Algorithm.
See major updates and breaking changes in the Release Notes.
Originally launched by Breck Yunits in 2017.