- AdaptiveSamplerAction
- AdaptivityAction
- AddAuxKernelAction
- AddAuxVariableAction
- AddBCAction
- AddBoundsVectorsAction
- AddClosuresAction
- AddComponentAction
- AddConstraintAction
- AddControlAction
- AddCoupledEqSpeciesAction
- AddCoupledSolidKinSpeciesAction
- AddCovarianceAction
- AddDamperAction
- AddDGKernelAction
- AddDiracKernelAction
- AddDistributionAction
- AddElementalFieldAction
- AddFieldSplitAction
- AddFluidPropertiesAction
- AddFluidPropertiesDeprecatedAction
- AddFluidPropertiesInterrogatorAction
- AddFunctionAction
- AddFunctorMaterialAction
- AddFVBCAction
- AddFVInterfaceKernelAction
- AddFVKernelAction
- AddGeochemicalModelInterrogatorAction
- AddHeatStructureMaterialAction
- AddIndicatorAction
- AddInitialConditionAction
- AddInterfaceKernelAction
- AddIterationCountPostprocessorsAction
- AddKernelAction
- AddMarkerAction
- AddMaterialAction
- AddMeshGeneratorAction
- AddMultiAppAction
- AddNodalKernelAction
- AddNodalNormalsAction
- AddOptimizationReporterAction
- AddOutputAction
- AddPeriodicBCAction
- AddPositionsAction
- AddPostprocessorAction
- AddPrimarySpeciesAction
- AddRayBCAction
- AddRayKernelAction
- AddReporterAction
- AddSamplerAction
- AddScalarKernelAction
- AddSecondarySpeciesAction
- AddSolidPropertiesAction
- AddSolidPropertiesDeprecatedAction
- AddSpatialReactionSolverAction
- AddSurrogateAction
- AddTimeDependentReactionSolverAction
- AddTimeInependentReactionSolverAction
- AddTimeStepperAction
- AddTransferAction
- AddUserObjectAction
- AddVariableAction
- AddVariableMappingAction
- AddVectorPostprocessorAction
- BicrystalBoundingBoxICAction
- BicrystalCircleGrainICAction
- Cavity Pressure Action
- Cavity Pressure Postprocessor Action
- Cavity Pressure UserObject Action
- CheckFVBCAction
- CheckLegacyParamsAction
- ChemicalComposition
- CHPFCRFFSplitKernelAction
- CHPFCRFFSplitVariablesAction
- CNSAction
- Cohesive Zone Model Action
- CohesiveZoneAction
- Common Line Element Master Action
- Common Tensor Mechanics Action
- CommonCohesiveZoneAction
- CommonOutputAction
- ComposeTimeStepperAction
- ConservedAction
- Contact Action
- CopyNodalVarsAction
- Coupled Pressure Action
- CoupledHeatTransferAction
- CreateDisplacedProblemAction
- CreateExecutionerAction
- CreateProblemAction
- DeprecatedBlockAction
- DisplacementGradientsAction
- DisplayGhostingAction
- DomainIntegralAction
- DynamicObjectRegistrationAction
- DynamicTensorMechanics
- ElementIDOutputAction
- EulerAngle 2 RGBAction
- Generalized Plane Strain Action
- Global Strain Action
- GlobalParamsAction
- GrainGrowthAction
- GrandPotentialKernelAction
- HHPFCRFFSplitKernelAction
- HHPFCRFFSplitVariablesAction
- InclinedNoDisplacementBC Action
- INSAction
- Legacy Kernel Only Dynamic Tensor Mechanics Action
- Legacy Kernel Only Tensor Mechanics Action
- LineElement Action
- LoadCovarianceDataAction
- LoadSurrogateDataAction
- Material Vector Body Force Action
- MaterialDerivativeTestAction
- MaterialVectorAuxKernelAction
- MaterialVectorGradAuxKernelAction
- MatVecRealGradAuxKernelAction
- MOOSE Action System
- MooseObjectAction
- Mortar Gap Heat Transfer Action
- MultiAuxVariablesAction
- NavierStokesFV Action
- NonconservedAction
- OptimizationAction
- ParameterStudyAction
- PartitionerAction
- Peridynamic Generalized Plane Strain Action
- Peridynamic Mechanics Action
- PFCRFFKernelAction
- PFCRFFVariablesAction
- PolycrystalColoringICAction
- PolycrystalElasticDrivingForceAction
- PolycrystalKernelAction
- PolycrystalRandomICAction
- PolycrystalStoredEnergyAction
- PolycrystalVariablesAction
- PolycrystalVoronoiVoidICAction
- PoroMechanicsAction
- PorousFlowAddBCAction
- PorousFlowAddMaterialAction
- PorousFlowAddMaterialJoiner
- PorousFlowBasicTHM
- PorousFlowFullySaturated
- PorousFlowUnsaturated
- PostprocessorAsControlAction
- Pressure Action
- Radiation Transfer Action
- ReadExecutorParamsAction
- RigidBodyMultiKernelAction
- SetAdaptivityOptionsAction
- SetupDebugAction
- SetupMeshAction
- SetupMeshCompleteAction
- SetupPreconditionerAction
- SetupPredictorAction
- SetupQuadratureAction
- SetupResidualDebugAction
- SetupTimeIntegratorAction
- StochasticToolsAction
- Tensor Mechanics Action
- Thermal Contact Action
- THMAddControlAction
- THMCreateMeshAction
- THMDebugAction
- THMOutputVectorVelocityAction
- THMPrintComponentLoopsAction
- THMSetupOutputAction
- Tricrystal 2 CircleGrainsICAction
- XFEMAction