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Bio
Billy is a staff software engineer at Chainguard, working on developer tools and
securing software supply chains for everyone! He is an active contributor and
maintainer to the Sigstore and Tekton projects, and is the creator of gitsign.
Prior to working at Chainguard, Billy worked on several developer tool teams at
Google including Cloud Build, Google Code, and Cloud Source Repositories.
Talks
| Date | Title | Event | Links |
| -------------- | -------------------------------------------------------------------------- | ------------------------------------------------- | -------------------------------------------------------- |
| June 2025 | Securing OIDC Federation in CI/CD Workflows | Open Source Summit NA 2025 | Recording |
| June 2025 | Billy and Eddie's Declassified Git Survival Guide | Open Source Summit NA 2025 | Recording |
| April 2024 | Securing Git Repositories with Gittuf | Open Source Summit NA 2024 | Recording |
| May 2023 | Identity-based Source Integrity with Gitsign | cdCon + GitOps Con NA 2023 | Recording |
| February 2023 | Lightning Talk: Securing Your Source Repositories - 5 Tips to Get Started! | Cloud Native Security Con NA 2023 | Recording |
| October 2022 | Source Attestations with Gitsign | Cloud Native Security Con NA 2022 | Recording |
| September 2022 | Gitsign - Keyless Git Commit Signing | Supply Chain Security Con @ Open Source Summit EU | Recording |
| September 2022 | Keyless Signing with Tekton and Sigstore | CDF Mini-summit @ Open Source Summit EU | [Slides](./static/keyless-tekton-sigstore.pdf) |
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gitsign ★ PINNED ⑂
No description.
★ 0 21d agoExplain → -
chains ★ PINNED ⑂
Supply Chain Security in Tekton Pipelines
★ 0 2y agoExplain → -
pipeline ★ PINNED ⑂
A K8s-native Pipeline resource.
Go ★ 1 2y agoExplain → -
triggers ★ PINNED ⑂
Event triggering with Tekton!
Go ★ 0 3y agoExplain → -
go-licenses ★ PINNED ⑂
Reports on the licenses used by a Go package and its dependencies.
Go ★ 0 4y agoExplain → -
ghinstallation ★ PINNED ⑂
HTTP Round Tripper for GitHub Apps - Authenticate as an Installation Workflow
Go ★ 0 8mo agoExplain → -
smimecosign ▣
Keyless Git signing with cosign!
Go ★ 11 4y agoExplain → -
tko
Tekton + ko
Go ★ 3 3y agoExplain → -
ilab-docker
Docker Container for an iLab-like environment
Shell ★ 3 9y agoExplain → -
kcna2022 ▣
No description.
Go ★ 2 3y agoExplain → -
setup-tkn
No description.
★ 2 2y agoExplain → -
cgr-buildpacks
Chainguard Buildpacks example
Shell ★ 1 6mo agoExplain → -
git-credential-secretmanager
No description.
Go ★ 1 5y agoExplain → -
levias
No description.
Go ★ 1 1y agoExplain → -
arduino-lcd ▣
Display arbitrary messages from a network connection on an LCD display using an Arduino
Arduino ★ 1 13y agoExplain → -
oci.fyi
Inspect signature and attestation information for OCI images!
Go ★ 1 1y agoExplain → -
keyless-tekton
No description.
Shell ★ 1 2y agoExplain → -
imposter-commits-demo
No description.
★ 1 3y agoExplain → -
cs416
Assignment 1 for CS416
C ★ 1 13y agoExplain → -
tekton-demo
No description.
Go ★ 1 5y agoExplain → -
cs336-project
Old project for CS336
PHP ★ 1 13y agoExplain → -
extremely-dangerous-public-oidc-beacon ⑂
No description.
★ 0 22d agoExplain → -
test
Test Repository for messing around with Git
Go ★ 0 1mo agoExplain → -
floorplan
Simple floor planner
JavaScript ★ 0 2mo agoExplain → -
browser ⑂
Package browser provides helpers to open files, readers, and urls in a browser window.
★ 0 5mo agoExplain → -
terraform-provider-apko ⑂
No description.
★ 0 4mo agoExplain → -
keycloak ⑂
Open Source Identity and Access Management For Modern Applications and Services
★ 0 7mo agoExplain → -
syft ⑂
CLI tool and library for generating a Software Bill of Materials from container images and filesystems
★ 0 7mo agoExplain → -
strimzi.github.io ⑂
Strimzi web site project
★ 0 7mo agoExplain → -
terraform-publisher-apko ⑂
An experimental module for publishing images with tf-apko
★ 0 8mo agoExplain → -
wlynch
No description.
★ 0 8mo agoExplain → -
octo-sts-action ⑂
No description.
★ 0 6mo agoExplain → -
rules_apko ⑂
Bazel rules for apko
★ 0 9mo agoExplain → -
setup-chainctl ⑂
GitHub Action to install chainctl in your workflow
★ 0 10mo agoExplain → -
intoto-ITE ⑂
in-toto Enhancements
★ 0 6mo agoExplain → -
intoto-attestation ⑂
in-toto Attestation Framework
★ 0 11mo agoExplain → -
sigstore-offline-test
Demo for sigstore offline verification in GitHub Actions
★ 0 11mo agoExplain → -
tfimages ⑂
No description.
★ 0 1y agoExplain → -
reviewdog ⑂
🐶 Automated code review tool integrated with any code analysis tools regardless of programming language
★ 0 1y agoExplain → -
dotfiles
My personal dotfiles
Vim Script ★ 0 1y agoExplain → -
bingo
Static client-side bingo board
HTML ★ 0 1y agoExplain → -
malcontent ⑂
#supply #chain #attack #detection
★ 0 1y agoExplain → -
intoto-friends ⑂
Friends of in-toto! A place to record integrations and adoptions of the in-toto specification.
★ 0 1y agoExplain → -
moby ⑂
The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems
★ 0 1y agoExplain → -
codeowners ⑂
Assemble multiple CODEOWNERS file into one.
Go ★ 0 1y agoExplain → -
emissary ⑂
open source Kubernetes-native API gateway for microservices built on the Envoy Proxy
★ 0 1y agoExplain → -
rules_go ⑂
Go rules for Bazel
Go ★ 0 9y agoExplain → -
kubeglob ▣
Simple tool for managing Kubernetes resources with glob paths.
Go ★ 0 6y agoExplain → -
dagdotdev ⑂
oci and apk explorer
★ 0 5mo agoExplain → -
prowners
Prow OWNERS-aaS
★ 0 1y agoExplain → -
wolfi-os ⑂
Main package repository for production Wolfi images
C ★ 0 5mo agoExplain → -
tekton-dashboard ⑂
A dashboard for Tekton!
★ 0 1y agoExplain → -
wolfictl ⑂
A CLI used to work with the Wolfi OSS project
★ 0 1y agoExplain → -
lewis-static
No description.
HTML ★ 0 2y agoExplain → -
octosts-app ⑂
A GitHub App that acts like a Security Token Service (STS) for the Github API
★ 0 8mo agoExplain → -
protobom ⑂
A universal SBOM representation in protocol buffers
★ 0 5mo agoExplain → -
terraform-provider-chainguard ⑂
No description.
★ 0 6mo agoExplain → -
chainguard-sdk ⑂
Public SDK for integrating with the Chainguard platform
★ 0 2y agoExplain → -
go-git ⑂
A highly extensible Git implementation in pure Go.
★ 0 2y agoExplain → -
tekton-cache
Tekton caching demo
Go ★ 0 2y agoExplain → -
cg-terraform-infra-common ⑂
A repository containing a collection of "glue" modules for encapsulating common Cloud Run patterns.
★ 0 8mo agoExplain → -
slogctx ⑂
Context aware slog
★ 0 6mo agoExplain → -
registry-redirect ⑂
No description.
★ 0 2y agoExplain → -
gcpslog ⑂
Lightweight structured logging for Google Cloud using `slog`
★ 0 2y agoExplain → -
rumble ⑂
Data collection for base image CVEs etc.
★ 0 2y agoExplain → -
schemastore ⑂
A collection of JSON schema files including full API
★ 0 2y agoExplain → -
sigstore-go ⑂
Go library for Sigstore signing and verification
★ 0 2y agoExplain → -
gittuf ⑂
A security layer for Git repositories
★ 0 2y agoExplain → -
terraform-provider-cosign ⑂
No description.
★ 0 2y agoExplain → -
apko ⑂
Build OCI images from APK packages directly without Dockerfile
★ 0 5mo agoExplain → -
chainguard-edu ⑂
Educational Resources for Software Supply Chain Security
★ 0 4mo agoExplain → -
melange ⑂
build APKs from source code
★ 0 4mo agoExplain → -
chainguard-images ⑂
Public Chainguard Images
★ 0 1y agoExplain → -
sigstore-tsa ⑂
RFC3161 Timestamp Authority
★ 0 2y agoExplain → -
digitorus-timestamp ⑂
Time-Stamp Protocol (TSP) implementation for Go as specified in RFC3161
★ 0 2y agoExplain → -
terraform-provider-ko ⑂
Build and deploy Go applications with Terraform
★ 0 2y agoExplain → -
wolfi-advisories ⑂
Security advisory data for Wolfi
★ 0 1y agoExplain → -
cosign-demo
No description.
Go ★ 0 3y agoExplain → -
gitsign-demo
No description.
★ 0 3y agoExplain → -
go-containerregistry ⑂
Go library and CLIs for working with container registries
★ 0 1y agoExplain → -
leagueskype ▣
No description.
PHP ★ 0 13y agoExplain → -
npm-cli ⑂
the package manager for JavaScript
★ 0 3y agoExplain → -
sigstore-docs ⑂
Sigstore documentation
★ 0 3y agoExplain → -
scorecard ⑂
OpenSSF Scorecard - Security health metrics for Open Source
★ 0 3y agoExplain → -
sigstore-js ⑂
Code-signing for npm packages
★ 0 3y agoExplain → -
sigstore-scaffolding ⑂
Stuff to make standing up sigstore (esp. for testing) easier for e2e/integration testing.
★ 0 2y agoExplain → -
sigstore-protobuf-specs ⑂
Protocol Buffer specifications
★ 0 3y agoExplain → -
sigstore-blog ⑂
Codebase for sigstore.dev
★ 0 3y agoExplain → -
1password-teams-open-source ⑂
Get a free 1Password Teams membership for your open source project
★ 0 3y agoExplain → -
gitdm ⑂
📜Fork for tracking CNCF projects
★ 0 3y agoExplain → -
image-comparison ⑂
Comparison of Chainguard Images to others
★ 0 3y agoExplain → -
chainguard-images-actions ⑂
GitHub actions for the chainguard-images
★ 0 3y agoExplain → -
ossf-landscape ⑂
No description.
★ 0 3y agoExplain → -
in-toto-golang ⑂
A Go implementation of in-toto. in-toto is a framework to protect software supply chain integrity.
★ 0 3y agoExplain → -
go-grpc-kit ⑂
Utility methods for gRPC.
★ 0 2y agoExplain → -
checkout ⑂
Action for checking out a repo
★ 0 3y agoExplain → -
rekor ⑂
Software Supply Chain Transparency Log
★ 0 3y agoExplain → -
catalog-git-clone ⑂
Tekton official git-clone Catalog
★ 0 3y agoExplain → -
sigstore-website ⑂
Codebase for sigstore.dev
★ 0 3y agoExplain → -
dex ⑂
OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors
★ 0 3y agoExplain → -
sigstore-policy-controller ⑂
No description.
★ 0 3y agoExplain → -
sigstore-community ⑂
General sigstore community repo
★ 0 1y agoExplain → -
certinfo ⑂
A tool for printing X509 TLS certificates in Go
★ 0 3y agoExplain → -
sigstore-homebrew-tap ⑂
Sigstore Homebrew Tap
★ 0 2y agoExplain → -
fulcio ⑂
Sigstore OIDC PKI
★ 0 3mo agoExplain → -
sigstore ⑂
Common go library shared across sigstore services and clients
★ 0 3y agoExplain → -
gitsign-action
No description.
★ 0 4y agoExplain → -
chainguard-actions ⑂
A collection of reusable Github Actions workflows.
★ 0 4mo agoExplain → -
getsum
Tool for fetching and verifying checksums for files.
Go ★ 0 4y agoExplain → -
cosign ⑂
Container Signing
★ 0 2y agoExplain → -
smimesign ⑂
An S/MIME signing utility for use with Git
★ 0 1y agoExplain → -
.github-1 ⑂
Default community health files for the Sigstore organization.
★ 0 4y agoExplain → -
cosign-gcb
No description.
Shell ★ 0 4y agoExplain → -
k8stoken
Generate a Kubernetes token for use anywhere!
Go ★ 0 4y agoExplain → -
knative-pkg ⑂
Knative common packages
★ 0 3y agoExplain → -
gnostic ⑂
A compiler for APIs described by the OpenAPI Specification with plugins for code generation and other API support tasks.
★ 0 4y agoExplain → -
tekton-kind
Example repo to show how to use kind with Tekton. Intended to be used in conjunction with kind runner catalog Task.
Dockerfile ★ 0 5y agoExplain → -
catalog ⑂
Catalog of shared Tasks and Pipelines.
Shell ★ 0 3y agoExplain → -
results ⑂
WIP: Please use https://github.com/tektoncd/experimental/tree/master/results for now
Go ★ 0 3y agoExplain → -
wlynch.github.io
No description.
CSS ★ 0 5y agoExplain → -
tektoncd-website ⑂
Tekton Website
CSS ★ 0 2y agoExplain → -
kythe ⑂
Kythe is a pluggable, (mostly) language-agnostic ecosystem for building tools that work with code.
★ 0 5y agoExplain → -
community ⑂
Community documentation for the Tekton project
Python ★ 0 2y agoExplain → -
googlesource-auth-tools ⑂
No description.
★ 0 5y agoExplain → -
istio-test-infra ⑂
No description.
★ 0 5y agoExplain → -
experimental ⑂
Experimental Tekton Components
Go ★ 0 4y agoExplain → -
.github
No description.
★ 0 5y agoExplain → -
tekton-.github ⑂
No description.
★ 0 3y agoExplain → -
test-infra-1 ⑂
Test infrastructure for the Kubernetes project.
★ 0 6y agoExplain → -
cloud-build-notifiers ⑂
Notifier images for Cloud Build, complete with build status filtering and Cloud Secret Manager integration
★ 0 5y agoExplain → -
cli ⑂
A CLI for interacting with Tekton!
★ 0 3y agoExplain → -
hook ⑂
A CLI tool for firing a collection of known webhooks
Go ★ 0 6y agoExplain → -
gcbapp-dockerfile-example ⑂
Example used in the Cloud Build GitHub app tutorial
★ 0 6y agoExplain → -
gcbapp-example ⑂
Example used in the Cloud Build GitHub app tutorial
★ 0 6y agoExplain → -
gcbapp-buildconfig-example ⑂
Example used in the Cloud Build GitHub app tutorial
★ 0 6y agoExplain → -
hello-kubernetes ⑂
Example end-to-end build, test, and deploy pipelines for Kubernetes, using Google Cloud Build.
★ 0 7y agoExplain → -
plumbing ⑂
This repo holds configuration for infrastructure used across the tektoncd org 🏗️
Shell ★ 0 2y agoExplain → -
test-infra ⑂
Test infrastructure for the Knative project
★ 0 6y agoExplain → -
kubernetes ⑂
Production-Grade Container Scheduling and Management
★ 0 6y agoExplain → -
oh-rutgers.github.io ⑂
No description.
CSS ★ 0 11y agoExplain → -
go-github ⑂
Go library for accessing the GitHub API
Go ★ 0 4y agoExplain → -
go-scm ⑂
Package scm provides a unified interface to multiple source code management systems.
Go ★ 0 3y agoExplain → -
trillian ⑂
A transparent, highly scalable and cryptographically verifiable data store.
Go ★ 0 6y agoExplain → -
knative-test
Test repository for playing around with Knative
Go ★ 0 6y agoExplain → -
cloud-build-local ⑂
Local Builder runs Google Cloud Build builds locally, allowing faster debugging, less vendor lock-in, and integration into local build and test workflows.
★ 0 6y agoExplain → -
cel-playground ⑂
Playing around with CEL
Go ★ 0 6y agoExplain → -
test3
No description.
★ 0 7y agoExplain → -
cloud-builders ⑂
Supported builder images for Google Cloud Build
Go ★ 0 7y agoExplain → -
test2
No description.
★ 0 6y agoExplain → -
ud120-projects ⑂
Starter project code for students taking Udacity ud120
DIGITAL Command Language ★ 0 8y agoExplain → -
protobuf-ext-example
Repository for playing around with protobuf extensions.
Go ★ 0 8y agoExplain → -
slothfs ⑂
No description.
Go ★ 0 9y agoExplain → -
bazeltest
No description.
Python ★ 0 9y agoExplain → -
review ⑂
[mirror] Tool for working with Gerrit code reviews
Go ★ 0 9y agoExplain → -
grpc-go ⑂
The Go language implementation of gRPC. HTTP/2 based RPC
Go ★ 0 9y agoExplain → -
lfs-test
No description.
★ 0 10y agoExplain → -
sniper ⑂
A web application that watches a class at Rutgers and notifies you when it opens up.
Python ★ 0 11y agoExplain → -
njcrashrecords
NJDOT Crash Records
Go ★ 0 11y agoExplain → -
cs352
Repository for CS352 projects
Java ★ 0 13y agoExplain → -
gender-technology
Final Project for Gender and Technology
JavaScript ★ 0 13y agoExplain → -
hackru
No description.
★ 0 13y agoExplain → -
cs111-s2014
CS111 Recitation Exercises for Spring 2014
Java ★ 0 12y agoExplain → -
sprintz ⑂
HackNY 2014 - Spring
JavaScript ★ 0 12y agoExplain → -
Random-Gnome-Backgrounds
Bash script to randomly set backgrounds for gnome
Shell ★ 0 13y agoExplain → -
petfinder
Google Maps Integration with Petfinder
★ 0 12y agoExplain → -
timesheet
Timesheet generation for CS111
Python ★ 0 12y agoExplain → -
try_git
No description.
★ 0 13y agoExplain → -
ru_takeout
Simple Rutgers Takeout Interface
Python ★ 0 13y agoExplain → -
ru_explorer
No description.
CSS ★ 0 12y agoExplain → -
wlyn.ch
My personal website
★ 0 13y agoExplain → -
rusoc
Rutgers University Schedule of Classes Interface
Python ★ 0 13y agoExplain → -
WhatsMyGPA
A quick, simple way for Rutgers students to check their GPA
Shell ★ 0 13y agoExplain → -
timeframe
Utility to find the best time to make a meeting
PHP ★ 0 13y agoExplain → -
Game-Development-in-Javascript-Tutorial ⑂
A tutorial for all the students in Hacker Hour this Friday to follow along as I teach them how to write games using JavaScript and Canvas.
★ 0 13y agoExplain →
No repos match these filters.