Perforce Helix Core

GitHub

GitHub is the world's largest platform for hosting Git repositories, combining version control with code review, issue tracking, and CI/CD through GitHub Actions. It is the default home for the vast majority of open-source projects and a standard tool at software companies of every size. Pull requests are the core collaboration unit, providing inline code review, required status checks, and merge queues that keep the main branch stable. GitHub Actions extends this into full CI/CD pipelines defined directly alongside the code in YAML workflows. GitHub Copilot, built into the editor and now the platform itself, brings AI code completion and chat-based assistance directly into the development workflow, while GitHub Advanced Security adds automated vulnerability and secret scanning.

Sapling

Sapling is Meta's open-source source control system, designed to make version control simpler and more scalable than traditional Git workflows, especially at the size of Meta's own monorepo. It is compatible with existing Git repositories, so teams can clone and work with GitHub-hosted projects while using Sapling's own command set. A core difference from Git is its stack-based workflow: Sapling automatically tracks commit heads without requiring explicit branch creation, eliminating detached HEAD states, and lets developers navigate stacked commits with commands like sl next and sl prev. It also includes custom GitHub pull request integration, letting sl pr submit create a pull request for every commit in a local stack, plus a browser-based GUI (sl web) and a VS Code extension.

Plastic SCM (Unity Version Control)

Plastic SCM, rebranded as Unity Version Control after Unity Technologies acquired it in 2020, is a distributed version control system tailored to the rigors of game development and large 3D projects. It is now part of Unity DevOps, a modular suite that also includes build automation, aimed at helping teams iterate faster and collaborate in the cloud. As of March 2026, Unity removed per-seat charges for cloud-hosted Unity Version Control and increased the free tier to 25 GB of storage plus 100 GB of free egress, with usage beyond that billed on a pay-as-you-go basis per team rather than per user. It remains available with on-premises licensing for teams that prefer self-hosting.