Paweł Urbanek

hotpath-rs. Quickly find bottlenecks in Rust - one profiler for CPU, time, memory, SQL and async code.

rails-pg-extras. Rails PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

termit. Translations with speech synthesis in your terminal as a ruby gem

ecto_psql_extras. Ecto PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

rails-brotli-cache. Drop-in enhancement for Rails cache, offering better performance and compression with Brotli algorithm

normit. Translations with speech synthesis in your terminal as a node package

activerecord-analyze. Add EXPLAIN ANALYZE to Rails Active Record query objects

mevlog-rs. Sync EVM chains to SQLite and query them with SQL

smart_init. A simple gem for eliminating Ruby initializers boilerplate code, and providing unified service objects API

ruby-pg-extras. Ruby PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

univ3-revm-arbitrage. Uniswap V3 MEV arbitrage calculations with Revm

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

node-postgres-extras. NodeJS PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

pg-extras-rs. Rust PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

pg-locks-monitor. A simple tool to observe PostgreSQL database locks in Rails apps.

devloop. An automated test runner for Rails that instantly executes specs based on a recent git diff output.

ecto_extras. Ecto helper functions.

lazyme. A simple gem to help you optimize your shell workflow

python-pg-extras. Python PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

Locker. Ethereum Smart Contracts for locking Ether, ERC20 and ERC721 tokens based on time and price conditions

rails-pg-extras-mcp. MCP (Model Context Protocol) LLM interface for rails-pg-extras gem

WaitForIt. Events and time based iOS app scenarios made easy.

rails-sqlite-extras. Rails SQLite database insights.

mev-gas-optimization. Optimize MEV Arbitrage Smart Contract with Yul and Huff

.dotfiles. My development environment settings.

ruby-jemalloc-node. Docker image of Ruby with Jemalloc and Node 22

haskell-pg-extras. Haskell PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

railsSearchKit. This Chrome extension provides easy access to the search bars every Rails developer needs.

mdbook-reading-time. mdBook preprocessor that calculates word count and reading time

dont_you_count. Disable count queries for selected Active Admin tables.

pi-hole-docker-compose. pi-hole-docker-compose

uniswap-skimmer-mev. Uniswap V2 long-tail skimmer bot MEV strategy

alloy-deadbeef. Brute-force vanity tx prefixes with Alloy

activerecord-implicit-order. Ruby

delegate_it. A drop in replacement for ActiveSupport delegate method in non Rails projects.

active-admin-tips. Active Admin tips and performance optimizations in action

yt-sub-rs. A simple CLI for subscribing to YouTube RSS feeds without a YouTube account.

Yul721. Ethereum ERC721 token standard implementation in Yul assembly

revm. Ethereum Virtual Machine written in rust that is fast and simple to use

FRP_introduction. Comparison between observer and reactive approach to login form validations.

Siorbackend. Ruby

abstract_base. Abstract Class pattern Ruby gem

ethers-provider-flashbots-bundle. Flashbots provider for ethers.js

allocation-counter. Rust library to measure memory allocations of a function or closure.

restaurant_app_mcp. rails-pg-extras-mcp sample integration, debug PG performance using LLMs

zstd-tx-bench. Rust

sqlx. 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.

reth. Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust

focus.apki.io. Landing page for Focus app

Huff721. Ethereum ERC721 token standard implementation in Huff assembly