GeezerVison is showing github.com β Objectionary
Here are the components around the EO programming language and
the π-calculus it's based on:
/eo is the canonical transpiler of EO programs to Java (start here!)/lints is a collection of linting rules for EO/eoc is a command line toolkit for compiling and running EO programs/eo-lsp-server is an LSP server for EO/eo-vscode is an EO plugin for VS Code/eo-intellij-plugin is an EO plugin for JetBrains IDEs/home is where we keep EO sources of all "canonical" objects
Our blog with recent news is here: news.eolang.org .
Read our academic papers .
Our Twitter tag is #eolang .
This is what Hacker News thinks about us.
If you want to discuss, join our Telegram chat .
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EOLANG, an Experimental Pure Object-Oriented Programming Language Based on π-Calculus
Java
1.5k
275
Centralized curated storage of all EO objects together with their unit tests
Shell
35
13
Syntax Highlighting Intellij IDEA Plugin for EO Programming Language
Java
18
11
Command-line toolkit for parsing, compiling, transpiling, optimizing, linking, dataizing, and running EOLANG programs
JavaScript
36
66
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Showing 10 of 68 repositories
game-of-life
Public
Experimental implementation of Conway's Game of Life in C++ and EO: works from the command line
objectionary/game-of-life's past year of commit activity
eo-graphs
Public
A few classic graph algorithms implemented in C++, Java, and EOLANG
objectionary/eo-graphs's past year of commit activity
Java
17
MIT
9
30
19
Updated Nov 12, 2026
xax
Public
Java library for testing XSL stylesheets with XML samples and XPath assertions
objectionary/xax's past year of commit activity
Java
10
MIT
4
10
7
Updated Nov 12, 2026
news.eolang.org
Public
Our Official Blog: we write about the development of EOLANG and π-calculus
objectionary/news.eolang.org's past year of commit activity
HTML
16
MIT
9
6
1
Updated Nov 12, 2026
eo
Public
EOLANG, an Experimental Pure Object-Oriented Programming Language Based on π-Calculus
objectionary/eo's past year of commit activity
hone-maven-plugin
Public
Maven plugin that applies a number of optimizations to your Bytecode, using EOLANG and π-calculus, trying to make it work faster
objectionary/hone-maven-plugin's past year of commit activity
jucs
Public
JUnit Classpath Sources: a simple framework for using classpath resources as JUnit sources
objectionary/jucs's past year of commit activity
Java
10
MIT
7
11
2
Updated Nov 12, 2026
phino
Public
Command-Line Normalizer, Rewriter, and Dataizer of π-Calculus Expressions
objectionary/phino's past year of commit activity
eo-vscode
Public
VSCode Extension for the EO Language with a Language Server
objectionary/eo-vscode's past year of commit activity
TypeScript
9
MIT
6
9
4
Updated Nov 12, 2026
objectionary/on-the-origin-of-objects's past year of commit activity
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