> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/release-orchestration/use-release-orchestration/release-orchestration-activities/activity-types.md).

# Activity Types

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[Automated Activities](/release-orchestration/use-release-orchestration/release-orchestration-activities/activity-types/automated-activities.md)
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[Manual Activities](/release-orchestration/use-release-orchestration/release-orchestration-activities/activity-types/manual-activities.md)
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[Subprocess Activities](/release-orchestration/use-release-orchestration/release-orchestration-activities/activity-types/subprocess-activities.md)
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