Skip to content
View jkoppel's full-sized avatar

Block or report jkoppel

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
Showing results

Peeps: know your people skill

24 2 Updated Apr 10, 2026

A collection of accessible, retro-inspired UI components drawing from classic real-time strategy aesthetics. Built for modern web/apps. Fully open source – copy, paste, customize.

TypeScript 716 41 Updated Mar 20, 2026

Unified AI configuration management CLI

TypeScript 239 2 Updated Mar 20, 2026

Proxy that captures and visualizes in-flight Claude Code requests and conversations.

TypeScript 437 70 Updated Jan 4, 2026

Free free template for dev tools

HTML 214 36 Updated Oct 28, 2025

Parsing, analyzing, and comparing source code across many languages

Haskell 9,052 457 Updated Apr 1, 2025

The Cubix framework for multi-language transformation. Explained in the OOPSLA 2018 paper "One Tool, Many Languages: Language-Parametric Transformation with Incremental Parametric Syntax"

HTML 115 10 Updated Mar 4, 2026

Resumes generated using the GitHub informations

JavaScript 62,824 1,367 Updated Feb 15, 2023

Tools for modifying programs without their source.

C 9 Updated May 16, 2015

Patch binaries at load-time

C++ 23 5 Updated Dec 27, 2011

A 3D browser-based tactical first-person sworder

PHP 3 Updated Dec 23, 2011

A DPLL SAT solver with conflict-directed backjumping

C++ 2 Updated Oct 13, 2013

CSP solver for number puzzles, with GUI frontends for Kakuro and KenKen

Clojure 2 Updated Dec 23, 2011

A Lisp that interacts with Ruby

Ruby 3 Updated Dec 23, 2011

Solutions to over 40 RubyQuiz problems

Ruby 2 Updated Dec 23, 2011

Free-motion environment for playing cards online

Java 2 Updated Dec 23, 2011

Interpreter and library for a One-Instruction-Language register machine

Clojure 3 Updated Jan 9, 2021