Ariane
Ariane was our internal launch calendar tool (since renamed to Launch). It tracked approvals to make sure all appropriate sign-offs happened before a launch.
Blaze
Google's internal build and test system. Bazel is the open source version of Blaze.
Changelist
A Changelist (often abbreviated "CL") is a set of changes to files in Piper. It's the equivalent of a Git commit or a Subversion revision.
CitC
Clients in the Cloud, Google's cloud-backed virtual workspace filesystem layered over Piper. It allows developers to edit files in the monorepo without downloading a full local checkout, as described in https://research.google.com/pubs/pub45424.html.
Copybara
Google's open source tool for transforming and moving code between repositories. At Google, Copybara is used to synchronize code and documentation between Piper and external Git hosts such as GitHub and git-on-borg.
Critique
Our internal code review tool. It is in the same family of review style as Gerrit and Rietveld. It's discussed more thoroughly in https://research.google.com/pubs/pub45424.html.
Cross
An internal tool to quickly analyze open source projects prior to release. Cross scans a code repository and warns when a repository doesn't meet our open source licensing rules. The name is derived from a previous tool it replaced named "check-oss-release".
Fig
An internal developer workflow client for Piper built on Mercurial,
now being succeeded by Jujutsu (jj).
Forge
Forge is our large scale distributed build and test system that takes advantage of Google infrastructure to run individual build steps and tests across a fleet of machines.
git-on-borg
Google's production git service, which is used to host internal and external projects including Android and Chromium. git-on-borg integrates Gerrit as a code review tool.
gmscore
The internal name for Google Play Services.
go links
'go' is our internal link shortener. We have a lot of go/something links. It's basically an internal version of https://goo.gle/.
google3
The internal name for our main Piper source repository, and identifies the third incarnation of the source layout for Google production code.
Issue Tracker
Google's issue tracking system, often referred to as issuetracker in these
docs. It is used to track bugs, feature requests, and open source compliance
reviews.
Launch
Our internal launch calendar tool, formerly known as Ariane. It tracks approvals to make sure all appropriate sign-offs have happened before a launch.
OSPO
Open Source Programs Office. It oversees open source compliance and many of the outreach programs for all of Google and Alphabet.
Piper
Google's internal source control system: https://research.google.com/pubs/pub45424.html
Rosie
An internal tool for doing large scale cleanups and code changes. It splits a large patch into smaller pieces which can be reviewed, tested, and submitted independently. https://research.google.com/pubs/pub45424.html
SignCLA
SignCLA is our internal system for managing Contributor License Agreements (go/cla). It integrates with both GitHub and git-on-borg for checking that contributions are covered by a CLA.
Tricorder
An internal program analysis platform aimed at building a data-driven ecosystem around program analysis. Tightly integrated with Critique, it provides developers with information about code issues as part of the code review process. It works like a bot that puts comments directly on the review. https://research.google.com/pubs/pub43322.html
Vomit
An earlier internal tool for monitoring security issues with open source packages used at Google (succeeded by Vulcan). The name was a phonetic pastiche of Vulnerability MOnIToring.
Vulcan
An internal tool for monitoring and remediating security vulnerabilities in open source packages used at Google, which succeeded Vomit.