Vedanta Kesari is a popular magazine published by Ramakrishna Mission. It is available online in pdf format and you can download it for free. The magazines contain articles by Swamijis associated with Ramakrishna mission and teachings of Swami Vivekananda, Sri Ramakrishna Paramahamsa and Holy mother Sharada Devi.
The monthly edition is published during the first week and the magazine is immediately available online in pdf format.
You can download Vedanta Kesari Monthly Magazine here.