Janne Sinivirta

Validation toolkit for containers and CI. Single binary, zero dependencies.

Lightweight DataFrame validation decorators for Pandas, Polars, Modin, and PyArrow. No custom types required.

A CLI tool for navigating AWS ECS clusters interactively.

CI performance intelligence tool — detect outliers, regressions, flaky pipelines, and cost hotspots in GitHub Actions

SE-CoVe: Software Engineering Chain-of-Verification plugin for Claude Code

A drop-in replacement for UMI-tools, written in Rust. Same flags, same output - 14-91x faster.

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Homebrew tap for vertti's tools

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dot files etc to setup osx the way i want it

Simple Lua Code Formatter

Fast FASTQ compression tool in Go

A git diff pager based on delta but with a file tree, à la GitHub.

Claude Code skill for managing Jira issues via Atlassian CLI

Maven extensions for the build-tweaking programmer

Conda recipes for the bioconda channel.

Claude Code skill for finding dead code in Python ML projects

Learn practical techniques to enhance your AI-assisted development workflow with Claude Code.

An extremely fast Python linter and code formatter, written in Rust.

Benchmark S3 download performance across Python, Go, and Rust

Generate TypeScript, Python, and Go types from JSON Schema. One binary, zero dependencies.

A place to submit conda recipes before they become fully fledged conda-forge feedstocks

🏆 A ranked list of awesome Python open-source libraries and tools. Updated weekly.

Curated list of tools and frameworks assisting in monitoring data quality

A curated list of Polars talks, tools, examples & articles. Contributions welcome !

A curated list of data engineering tools for software developers

A collection of resources for pandas (Python) and related subjects.

dev tools, env vars, task runner

:bathtub: Clean Code concepts adapted for machine learning and data science

The React Framework

"Extras" bucket for Scoop

The AWS Cloud Development Kit is a framework for defining cloud infrastructure in code

Example JS project for the Pact workshop

Environment variable-based AWS Parameter Store command shim

nextjs + purgecss for faster websites 🔥

Simple High Frequency Trading Bot for crypto currencies

A CLI workflow for the administration of Mac applications distributed as binaries

Maven plugin for submitting Java code coverage reports to Coveralls web service.

The HTML Presentation Framework