public class GetComponentInChildrensTest : MonoBehaviour
{

    private Transform[] Components;
    // Use this for initialization
    void Start()
    {
        Components = gameObject.GetComponentsInChildren<Transform>();

        foreach (Transform comp in Components)
        {
            if (comp != gameObject.GetComponent<Transform>())
            {
                Debug.Log(comp.GetComponent<Transform>().name);
            }
        }

    }
}

using System.Linq;

public class GetComponentInChildrensTest : MonoBehaviour
{

    private Transform[] Components;
    // Use this for initialization
    void Start()
    {
        Components = gameObject.GetComponentsInChildren<Transform>();

        foreach (Transform comp in Components.Skip(1).ToArray())
        {
                Debug.Log(comp.GetComponent<Transform>().name);
        }

    }
}

var components = transform.GetComponentsInChildren<Component>().Where(e => e.transform != transform).ToList();