Vitaly Slobodin

rebased. A git client based on the IntelliJ platform

nushell. A new type of shell

agent-skills. Production-grade engineering skills for AI coding agents.

boxwerk. 📦 Packwerk-style modularity for Ruby using boxes

test-queue. parallel test runner for CI environments

skills. Claude skills based on the Layered Rails book and beyond

rails_ai_agents. Specialized AI skills, agents, rules and hooks for modern Rails AI driven-development + Spec-Driven-Development kit + MCP

compound-engineering-plugin. Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more

hanamismith. A command line interface for smithing Hanami projects.

Mole. 🐹 Clean, uninstall, analyze, optimize, and monitor your Mac from the terminal.

lsp4ij. LSP & DAP Client for IntelliJ

ts_query_ls. LSP implementation for Tree-sitter's query files

log_bench. A terminal-based Rails log viewer with real-time monitoring and filtering capabilities

rspec-rails-plugin. AI RSpec Plugin for a Rails Application

fedora-optimizations. Fedora Linux optimization for better performance, latency, smoothness and responsiveness (in games too)

helix. A post-modern modal text editor.

rv. 💎💨 Extremely fast Ruby version and gem manager

Fedora-44-Post-Install-Guide. Things to do after installing Fedora 44

VirtualBuddy. Virtualize macOS 12 and later on Apple Silicon, VirtualBuddy is a virtual machine GUI for macOS M1, M2, M3, M4

rubyschema. Ruby

dbg-rb. Minimal, Rust-inspired, puts debugging helper adding source expression, file and line number info.

Hotwire-in-action. List of awesome HOTWIRE🔥 and ReactiveRails 🚀 applications either in Action or Open Source.

tg-spam. Anti-spam bot for Telegram and general-purpose anti-spam library and server

active_record-associated_object. Extract Collaborator Objects from your Active Records, a new concept called Associated Objects

rubocop-pundit. Rubocop extension to help make sure Pundit policies are being used

mono. Free and open-source monospaced font from Evil Martians

active_record_doctor. Identify database issues before they hit production.

enhanced_errors. Enhance Ruby spec failures and exception messages with the variables in scope.

bundle_update_interactive. A stylish interactive mode for Bundler, inspired by `yarn upgrade-interactive`

zed-sorbet. Sorbet extension for Zed

bundler-compose. A bundler plugin to allow composing new gems into an existing bundle

ruby-lsp-rspec. A Ruby LSP addon for RSpec tests

tree-sitter-rbs. RBS grammer for tree-sitter

nicetest. minitest + cli + colors

emacs-lsp-booster. Emacs LSP performance booster

tree-sitter-ruby. Ruby grammar for tree-sitter

ruby-lsp-rails. A Ruby LSP add-on for Rails

ruby-lsp. An opinionated language server for Ruby

auto-dark-emacs. Auto-Dark-Emacs is an auto changer between 2 themes, dark/light, following MacOS, Linux or Windows Dark Mode settings

vernier. 📏 next generation CRuby profiler

nextgen. Generate your next Rails app interactively! This template includes production-ready recommendations for testing, security, developer productivity, and modern frontends. Plus optional Vite support! ⚡️

rtx-env. rtx environment management for Emacs

wezterm-themes. Port of Ef-themes, Doric-themes and Modus-themes for wezterm

zed. Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

modus-themes.nvim. Highly accessible themes for Neovim, conforming with the highest standard for color contrast between background and foreground values (WCAG AAA). A Neovim port of the original Modus Themes built for GNU Emacs.

mise. dev tools, env vars, task runner

emacs-ng. A new approach to Emacs - Including TypeScript, Threading, Async I/O, and WebRender.

mermaid-ts-mode. Emacs Major Mode for Mermaid Using Tree Sitter

homebrew-emacs-plus. Emacs Plus formulae for the Homebrew package manager

build-emacs-for-macos. Somewhat hacky script to automate building of Emac.app on macOS.

homebrew-emacs-head. GNU Emacs formula for the Homebrew package manager

fzf-lua. Improved fzf.vim written in lua

tokyonight.nvim. 🏙 A clean, dark Neovim theme written in Lua, with support for lsp, treesitter and lots of plugins. Includes additional themes for Kitty, Alacritty, iTerm and Fish.

unleashed-firmware. Flipper Zero Unleashed Firmware

core. An Emacs framework for the stubborn martian hacker

flipperzero-firmware. Flipper Zero firmware source code

BT_BlockLists. Transmission block list

forgit. :zzz: A utility tool powered by fzf for using git interactively.

PaperWM. Gnome 40-42 support has been merged upstream, and there is a path forward for merging PRs upstream, so this repo is no longer needed.

code-review. Code Reviews in Emacs

naming-cheatsheet. Comprehensive language-agnostic guidelines on variables naming. Home of the A/HC/LC pattern.

tmux-thumbs. A lightning fast version of tmux-fingers written in Rust, copy/pasting tmux like vimium/vimperator

vscode-dark-plus-emacs-theme. An accurate port of the default Visual Studio Code Dark+ theme for Emacs

agave. succulent monospace programming font

mononoki. a programming typeface

unleash-docker. Docker container for unleash

elisp-guide. A quick guide to Emacs Lisp programming

qmk_firmware. Open-source keyboard firmware for Atmel AVR and Arm USB families

handlr. A better xdg-utils

YubiKey-Guide. Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.

git-notify-extension. 🦊🐙 Browser Extension for GitLab (Chrome, Edge & Firefox). Don't miss any Gitlab Merge Requests and rocket up your productivity.

keyboard. ⌨ Toward a more useful keyboard

awsm.fish. A curation of prompts, plugins & other Fish treasures 🐚💎

cliflix. Watch anything instantaneously, just write its name.

gitlab.cr. Gitlab.cr is a GitLab API wrapper written by Crystal

elixir-tips. The Killer Elixir Tips and Tricks...from the experience...

api-guidelines. Microsoft REST API Guidelines

chap. chap analyzes un-instrumented core files for leaks, memory growth, and corruption

displayplacer. macOS command line utility to configure multi-display resolutions and arrangements. Essentially XRandR for macOS.

my-mac-os. List of applications and tools that make my macOS experience amazing, inspired by https://github.com/nikitavoloboev/my-mac-os

starship. ☄🌌️ The minimal, blazing-fast, and infinitely customizable prompt for any shell!

CamHolderApp. UVC Camera Control for Mac OS X (optimized for MS LifeCam Studio) as software for the CamHolder

jsvu. JavaScript (engine) Version Updater

jsunderhood. Коллективный твиттер-аккаунт для фронтенд-разработчиков с новым автором каждую неделю

skhd. Simple hotkey daemon for macOS

mastering-emacs-in-one-year-guide. Be great at emacs in one year

referral. 🕵️‍♀️ Find, filter, and sort your Ruby code's definitions & references

replay-staging. Staging repository for WEB_REPLAY feature in WebKit.

livestreamer. Command-line utility that extracts streams from various services and pipes them into a video player of choice. No longer maintained, use streamlink or youtube-dl instead.

nodebestpractices. ✅ The Node.js best practices list (July 2026)

v8-perf. ⏱️ Notes and resources related to v8 and thus Node.js performance

dotfiles. My macOS environment: zsh, Git, Visual Studio Code, etc.

tsdx. Zero-config CLI for TypeScript package development

PySnooper. Never use print for debugging again

postmark-templates. Rock-solid transactional email templates for applications.

ngruair. TypeScript

pretty-putty. Pretty PuTTY

vs-chromium. A Visual Studio extension containing a collection of tools to help contributing code to the Chromium project.

dom-reconciler-bench. A simplified benchmark measuring vdom performance

holy-grail-markup. All CSS methodologies compared examples at one place.

tslint-etc. More rules for TSLint

Talks. Angular Moscow Talks information and discussion

linq.ts. 🌀LINQ for TypeScript

FluentTerminal. A Terminal Emulator based on UWP and web technologies.

LightTable. The Light Table IDE ⛺

graphql-design-tutorial.

windows-dev-box-setup-scripts. Scripts to simplify setting up a Windows developer box

bat. A cat(1) clone with wings.

awesome-puppeteer. A curated list of awesome puppeteer resources.

pgmodeler. Open-source data modeling tool designed for PostgreSQL. No more typing DDL commands. Let pgModeler do the work for you!

zapcc. zapcc is a caching C++ compiler based on clang, designed to perform faster compilations

conan-clion-plugin. CLion C/C++ IDE plugin for Conan Package Manager

include-what-you-use. A tool for use with clang to analyze #includes in C and C++ source files

ConEmu-Color-Themes. Manually ported color themes for ConEmu

puma-dev. A tool to manage rack apps in development with puma

lucky. A full-featured Crystal web framework that catches bugs for you, runs incredibly fast, and helps you write code that lasts.

ffmpeg-libav-tutorial. FFmpeg libav tutorial - learn how media works from basic to transmuxing, transcoding and more. Translations: 🇺🇸 🇨🇳 🇰🇷 🇪🇸 🇻🇳 🇧🇷 🇷🇺

Screenshot-to-code. A neural network that transforms a design mock-up into a static website.

ngrev. Tool for reverse engineering of Angular applications

gruvbox. Retro groove color scheme for Vim

ayu-vim. Modern theme for modern VIMs

translations. Переводы от devSchacht

community. Central repository for issues and recipes

xeus-cling. Jupyter kernel for the C++ programming language

SuperTinyIcons. Under 1KB each! Super Tiny Icons are miniscule SVG versions of your favourite website and app logos

pspg. Unix pager (with very rich functionality) designed for work with tables. Designed for PostgreSQL, but MySQL is supported too. Works well with pgcli too. Can be used as CSV or TSV viewer too. It supports searching, selecting rows, columns, or block and export selected area to clipboard.

macOS-Security-and-Privacy-Guide. Community guide to securing and improving privacy on macOS.

code. Rust

markdown-it. Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed

Best-websites-a-programmer-should-visit. :link: Some useful websites for programmers.

superdump. A service for automated crash-dump analysis

code-screenshots. Скриншоты редакторов кода разных разработчиков

Win10-Initial-Setup-Script. PowerShell script for automation of routine tasks done after fresh installations of Windows 10 / Server 2016 / Server 2019

awesome-emacs. A community driven list of useful Emacs packages, libraries and other items.

tips. Most commonly used git tips and tricks.

spacemacs. A community-driven Emacs distribution - The best editor is neither Emacs nor Vim, it's Emacs *and* Vim!

shellcheck. ShellCheck, a static analysis tool for shell scripts

aspnetonlinux. C#

qtwebkit. Code in this repository is obsolete. Use this fork: https://github.com/movableink/webkit

swag. Artwork used to create .NET Foundation swag (T-Shirts, Mugs etc)

CppCoreGuidelines. The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++

the-art-of-command-line. Master the command line, in one page

jsonxx. A JSON parser in C++

caine. Friendly butler

rust. Empowering everyone to build reliable and efficient software.

big-list-of-naughty-strings. The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

Total-Uninstaller. Windows software uninstaller

ru-tech-chats. This repo contains a list of various russian-speaking tech chats. Русскоязычные IT-чаты. Их есть у нас. Налетай, торопись!

rust_book_ru. The Rust Programming Language (на русском) (основной репозиторий теперь здесь: https://github.com/ruRust/rust_book_ru)

ChromeRegJump. Chrome extension to open any selected Windows Registry path in Regedit using Sysinternals RegJump

cmder. Lovely console emulator package for Windows

fantasque-sans. A font family with a great monospaced variant for programmers.

TSqlFlex. An addon for SSMS using the Red Gate SIP Framework

paper-skeleton. Skeleton for writing conference papers in Latex

javascript. JavaScript Style Guide

memory-stats.js. minimal monitor for JS Heap Size via performance.memory

CSharpGuidelines. A set of coding guidelines for C# up to v14, design principles, layout rules and Agent Skills for improving the overall quality of your code development.

coreclr. CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.

code-snippets. Chrome DevTools code snippets

audio-switcher. App that lets you easily switch Windows audio devices

linqpadspy. A plugin for LINQPad which displays compiler generated code.

corefx. This repo is used for servicing PR's for .NET Core 2.1 and 3.1. Please visit us at https://github.com/dotnet/runtime

LibLog. LibLog is a single file for you to either copy/paste or install via nuget, into your library/framework/application to provide a logging abstraction.

AspNet.Mvc.Grid. The Grid control from mvccontrib.codeplex.com updated for ASP.NET MVC5 and without dependencies.

Opserver. Stack Exchange's Monitoring System

babun. Babun - a Windows shell you will love!

clue. A tiny single-file header-only C++ logging framework

frontdesk. Community driven list of useful things for Front End Developers

ProcMonDebugOutput. See your trace statements in Sysinternals Process Monitor

StackExchange.Exceptional. Error handler used for the Stack Exchange network

dotnet. A simple but effective mini-profiler for ASP.NET (and Core) websites

notepad2-mod. LOOKING FOR DEVELOPERS - Notepad2-mod, a Notepad2 fork, a fast and light-weight Notepad-like text editor with syntax highlighting

timelapse. LEGACY REPOSITORY: latest work located @

front-end-frameworks. A collection of best front-end frameworks for faster and easier web development.

solarized-and-modern-putty. A Windows registry (.reg) file for setting the "Default Settings" PuTTY profile to Solarized Dark PuTTY coloring and most modern sane PuTTY default settings that most would want.

phantomjs. Scriptable Headless Browser