Powers and abilities I've noted for book Voldemort
Superhuman Physical Characteristics, Immortality (Type 2 and 8), Magic, Energy Manipulation and Projection with various spells, Death Manipulation with the Killing Curse, Pain Manipulation with the Curciatus Curse, Fire Manipulation (Set the Sorting Hat alight), Telepathy & Mind Manipulation (Stated to be the most accomplished Legilimens in the world, able to easily enter, read and control people's minds and their thoughts), Illusion Creation, Memory Manipulation (Can alter, erase and fabricate memories with spells), Transmutation & Life Manipulation (Turned a lasso of fire into a living snake), Density Manipulation (Can make float helplessly in the air), Soul Manipulation (Separated his soul into six pieces and put them into his Horcruxes), Transformation & Power Bestowal (Turned various objects into Horcruxes, granting them various powers), Curse Manipulation (Put a curse on Marvolo Gaunt's ring), Probability Manipulation (placed a jinx on the position of Defence Against the Dark Arts teacher that would cause something terrible to happen to those who held the post within a year), Necromancy (Can create Inferies), Creation (Can create various objects with his spells. Conjured a shield to defend himself against Dumbledore), Metal Manipulation (Conjured a hand of silver for Wormtail), Sealing (Made it so the entrance of the Cave where he kept Slytherin's Locket could only be opened if blood were to be spilled), Sound Manipulation (Amplified his own voice to a significant volume so all of Hogwarts could hear him deliver his ultimatum), Invisibility (With the Disillusionment Charm), Flight (Can fly without a broom), Teleportation with Apparition
Likely forgot some. Plus a feat from HBP
Snaps a bridge that could hold a dozen cars in half (The bridge was fewer than ten years old, and the best experts were at a loss to explain why it had snapped cleanly in two, sending a dozen cars into the watery depths of the river below. The Brockdale Bridge—he did it, Prime Minister, he threatened a mass Muggle killing unless I stood aside for him and—” [HBP: Chapter 1])