* [Bazel watcher v0.33.0](https://github.com/bazelbuild/bazel-watcher) – Source file watcher that rebuilds, tests, or reruns Bazel targets on changes.

* [Poltergeist v2.1.6](https://github.com/steipete/poltergeist) – Universal file watcher that auto-detects projects and rebuilds on file changes with smart build queues, notifications, and inline error diagnostics.