Well just in the PHB Clerics, Paladin, Rangers, Druids and Bards all get good to great healing magic. If they use subclasses and classes beyond the PHB, then the Artificer Class can heal, the Divine Soul Sorcerer can be a very powerful healer second only to a Life Cleric and can even enhance someone elses healing spell, the Celestial Patron Warlock has descent healing and the new (UA) Way of Mercy Monk is a good healer for a none spellcasting class.
For tanks the Oath of the Ancient Paladin provides great protection for those around them within their aura and then their is the Cavalier Fighter from XGTE.
