Shawn Hartsock

MCP-native cross-platform Markdown editor

A tool to deterministically tend git repos in common use-cases.

Pluggable Agentic Routines

VMware vSphere API Python Bindings

pyVIT: pyVmomi Integration Testing Project

Simple Java "lambda" techniques make a method cacheable by ehCache without introducing dependency injection. Target audience is legacy applications looking to add modern distributed caching but stuck in Java 1.4 syntax for some reason.

Open Source port of the official python SMS bindings developed at VMware

Code for the talk "Functional Programming in Java"

A personal mirror

Turso is an in-process SQL database, compatible with SQLite.

Offical Implementation for "Recursive Multi-Agent Systems"

Shawn Hartsock — technical blog (canonical source for Medium cross-posts)

Fullstack app framework for web, desktop, and mobile.

Lore is a next-generation, open source revision control system

Readline Implementation in Rust

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

🐚bash/POSIX-compatible shell implemented in Rust 🦀

Personal site for Shawn Hartsock

A high-throughput and memory-efficient inference and serving engine for LLMs

The agent that grows with you

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

Run OpenClaw more securely inside NVIDIA OpenShell with managed inference

Terminal-first control plane for NVIDIA Nemotron — agentic coding, RAG, doc-ops, and multi-model formations.

A Lean Persistent Homology Library for Python

Kepler Mapper: A flexible Python implementation of the Mapper algorithm.

Computations and statistics on manifolds with geometric structures.

Computing on Topological Domains

BertViz: Visualize Attention in Transformer Models

Mechanistic Interpretability Visualizations using React

Training Sparse Autoencoders on Language Models

A library for mechanistic interpretability of GPT-style language models

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

An AI agent that brings Augment Code's power to the terminal.

Open source Markdown editor for macOS.

Spring Cloud CLI features

🚀2.3x faster than MinIO for 4KB object payloads. RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

A Git-compatible VCS that is both simple and powerful

A high-performance observability data pipeline.

Transform documents into graph-based documents using a LLM

Go library for building tile-based transparency logs (tlogs)

[Officially Supported] P4Go is a wrapper for the P4 C++ API in Go.

A fast Perforce to Git conversion tool written in C++ using Perforce Helix Core C++ API and Libgit2

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Container Service for VMware vCloud Director

A transparent, highly scalable and cryptographically verifiable data store.

Implementation of the Filecoin protocol, written in Go

The leading native Python SSHv2 protocol library.

A remote cache for Bazel

Packages and utilities for network booting

Octopress is an obsessively designed framework for Jekyll blogging. It’s easy to configure and easy to deploy. Sweet huh?

Bazel remote caching and execution service

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 2, and other large language models.

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Ollama Python library

Run your own AI cluster at home with everyday devices 📱💻 🖥️⌚

CUDA Core Compute Libraries

NVIDIA GPUDirect Storage Driver

NFS-Ganesha is an NFSv3,v4,v4.1 fileserver that runs in user mode on most UNIX/Linux systems

The CernVM File System

Jujutsu (jj) VCS support for VS Code

Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.

Cache AnyThing filesystem written in Rust

Gluster Filesystem : Build your distributed storage in minutes

Likewise OSS project

Open Source Data Management Software

AIStore: scalable storage for AI applications

PagerDuty's official local MCP (Model Context Protocol) server which provides tools to interact with your PagerDuty account directly from your MCP-enabled client.

Machine management for a container-centric world

An in-memory incremental Datalog engine based on Differential Dataflow

Declarative Gradle is a project targeting better isolation of concern and expressing any build in a clear and understandable way

A toy project to play with modern Java CLI. This is a topic I'm revisiting after a long absence. This could be a good interview project.

Annotation-based Java command line parsing library. Usage help with ANSI colors. Autocomplete. Nested subcommands. Easily included as source to avoid adding dependencies.

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Command Line Interface for VMware vCloud

A product-agnostic framework for defining and sequencing upgrades

Infrastructure automation and management system

Notes & Scripts from my homelab setup

Content Addressable Data Structures

Certonid is a Serverless SSH Certificate Authority

Directory-based environments.

Platform with iOs and Android apps to control Arduino, Raspberry Pi and similar microcontroller boards over the Internet.

Virtual Security Module

Ruby interface to the VMware vSphere API.

Tra, a file system synchronizer; an unofficial Git mirror of the CVS repository at :pserver:[email protected]:/cvs

A tool for managing secrets.

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A Python 3 implementation built on GraalVM

https://openjdk.java.net/projects/loom/

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

java toys for playing with the language and runtime itself

Frankencert - Adversarial Testing of Certificate Validation in SSL/TLS Implementations

A Runner and API for Layered Java Applications

MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).

Animation engine for explanatory math videos

Dispatch is a framework for deploying and managing serverless style applications.

CLI HTTP client; user-friendly cURL replacement featuring intuitive UI, JSON support, syntax highlighting, wget-like downloads, extensions, etc.

This is the official upstream of the Subsurface divelog program

A Jenkins plugin for interfacing with GitLab

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Project for PayPal Cloud Open Source Code

The source repository for the TPM (Trusted Platform Module) 2 tools

Additional community developed python packages to help you work with pyvmomi

Swagger-based Documentation for VMware's REST API's

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A python implementation of the signature scheme Falcon

Concord byzantine fault tolerant state machine replication library

Digital Rebar Provision is a simple and powerful Golang executable that provides a complete API-driven DHCP/PXE/TFTP provisioning system.

A K8s-native Pipeline resource.

An example project that demonstrates an end-to-end cloud native application using Spring Cloud for building a practical microservices architecture.

oneiric powered development environment for openstack

Photon Controller

No description.

Java Docker API Client

Jenkins plugin to ship the console log off to Logstash

An enterprise-class container registry server based on Docker Distribution

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

Container Cluster Manager

Main {OpenGrok git repository

[mirror] Go supplementary cryptography libraries

Vagrant is a tool for building and distributing development environments.

:globe_with_meridians: Namecoin to DNS bridge daemon

Reimplementation of Namecoin on top of the current Bitcoin Core codebase.

github mirror of http://svn.unix-ag.uni-kl.de/vpnc/ for convenience

:bar_chart: The statistical analysis tool for git repositories

AX88179_178a USB NIC Driver for ESXi 5.5/6.0

ghettoVCB

Grumpy is a Python to Go source code transcompiler and runtime.

Command prefixing for continuous workflow using a single tool.

Brewing beer with Spring Cloud has never been that easy...

Integrated containers on vSphere

The shell for the Java Platform

Go library for the VMware vSphere API

External configuration (server and client) for Spring Cloud

Spring Cloud Zookeeper

A cluster consistency platform

A small package for building command line apps in Go

The Prometheus monitoring system and time series database.

Identity services for traditional infrastructure, applications and containers.

Write your charms in Go!

Build cross platform desktop apps with web technologies

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.

Betamax is a tool for mocking external HTTP resources such as web services and REST APIs in your tests. The project was inspired by the VCR library for Ruby.

Open source service virtualization

An embedded key/value database for Go.

Enable your Golang applications to self update

Consul is a tool for service discovery, monitoring and configuration.

gomove is a utility to help you move golang packages by automatically changing the import paths from the old one to new one.

Visual Studio Code

Swagger 2.0 implementation for go

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An example screen scraping CLI in Go.

A simple, kernel-space, on-disk filesystem from the scratch

aufs - simple Linux kernel file system for os course

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IPFS - The Permanent Web

Spring based interactive shell

Android application powering the mirror in my house

A high performance HTTP request router that scales well

A Go language client for the NAT-PMP internet protocol for port mapping and discovering the external IP address of a firewall.

Micro-service framework in Go

KeePassX is a cross platform port of the windows application “Keepass Password Safe”.

Command line tools for working with Review Board

Python SAML Toolkit

The Go SDK for Openstack.

Classy web framework for Go

Source code of the open Home Automation Bus (openHAB)

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SAML extension for the Spring Security project

A chef-provisioning provisioner for VMware vSphere

The Swagger Specification Repository

swagger-codegen contains a template-driven engine to generate client code in different languages by parsing your Swagger Resource Declaration.

Android Application that collects dex signals, allows calibrations, and uploads

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PNGJ : pure Java library for high performance PNG encoding

Python vSphere Client with a dialog(1) interface

Simple Timer Android App

Docker Image to deploy various VMware and open source related tools to manage a VMware environment

A place for community contributed samples for the pyVmomi library.

Official repository for the ZNC IRC bouncer

Golang implementation of the Raft consensus protocol

juju is devops distilled

A CLI for Cloud Foundry written in Go

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Distributed vSphere API Proxy

Python module that makes working with XML feel like you are working with JSON

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An implementation of the Advanced Encryption Standard (AES) algorithm meant for study to go along with "A Stick Figure Guide to the Advanced Encryption Standard (AES)" blog post at www.moserware.com

Community samples for and by the rbVmomi developer community.

Turn (almost) any command line program into a full GUI application with one line

Vagrant provider for VMware vCloud Director®

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

Automatically mock your HTTP interactions to simplify and speed up testing

An easy-to-use and highly extensible IRC Bot framework

A Ruby wrapper for processing reStructuredText via Python's Docutils

A ReStructuredText plugin for Jekyll and Octopress

Collection of Python files that contain API definitions of third-party libraries extended for Python static analysis tools