Humble Bundle's Star Trek Comics MegaBundle (ends Aug 2nd) I think is mostly comics I haven't read since I stopped collecting years ago. I have no digital Star Trek comics so whether or not I've read these before still worthwhile buying (and there is so much stuff for $24 it is a must buy).

Star Trek: New Visions v1
Star Trek Classics v1: The Gorn Crisis - reprint, I'm sure I've read this one
Star Trek Classics v2: Enemy Unseen
Star Trek Classics v3: Encounters with the Unknown
Star Trek Classics v4: Beginnings - I think I've read all these Classics (Classics are pre-IDW Star Trek comics)
Star Trek Classics v5: Who Killed Captain Kirk?
Star Trek: Boldly Go v1 to v3
Star Trek v1 to v13
Star Trek: Picard - Stargazer
Star Trek: Picard - Countdown
Star Trek: The Next Generation - Hive
Star Trek: The Next Generation - Ghosts
Star Trek: Leonard McCoy Frontier Doctor - fairly sure I've read this one too
Star Trek: Mission's End - probably read this one
Star Trek: Khan - Ruling in Hell
Star Trek: Assignment Earth
Star Trek: Mirror Images
Star Trek: New Visions v2 to v8 - reprints Gold Key comics photo montage series (using photos instead of drawings), I've read a couple of these but pretty rare in hard copy
Star Trek: Nero
Star Trek: New Frontier
Star Trek: The Motion Picture- Echoes
Star Trek: Movie Adaptation - of the 2009 film
Star Trek: Manifest Destiny
Star Trek: Khan
Star Trek: Intelligence Gathering
Star Trek: Year Four - The Enterprise Experiment
Star Trek: Year Four
Star Trek: Burden of Knowledge
Star Trek: Starfleet Academy
Star Trek: Spock Reflections
Star Trek: Deep Space Nine - The Dog of War
Star Trek: Deep Space Nine - Too Long a Sacrifice
Star Trek: Deep Space Nine - Fools Gold - I think I read this one
Star Trek: Countdown to Darkness
Star Trek: Countdown
Star Trek: Captain's Log
Star Trek: Aliens
Star Trek: Best of Klingons
Star Trek Alien Spotlight v1
Star Trek Alien Spotlight v2
Star Trek: Picard's Academy - Commit No Mistakes
Star Trek: Holo-Ween
Star Trek: Day of Blood
Star Trek: Year Five v1 - Odyssey's End
Star Trek: Year Five v2 - The Wine-Dark Deep
Star Trek: Year Five v3 - Weaker Than Man
Star Trek: Year Five v4 - Experienced in Loss
Star Trek: Voyager - Seven's Reckoning
Star Trek: Warriors of the Mirror War
Star Trek: The Mirror War
Star Trek: The Next Generation - Terra Incognita
Star Trek: The Next Generation - Through the Mirror
Star Trek: The Next Generation - Mirror Broken
Star Trek: Waypoint
Star Trek: Sons of Star Trek
Star Trek: Resurgence
Star Trek: Harlan Ellison's City on the Edge of Forever - maybe read this
Star Trek: Discovery - Adventures in the 32nd Century
Star Trek: Discovery - Aftermath
Star Trek: Discovery - Succession
Star Trek: Discovery - The Light of Kahless
Star Trek: Debt of Honor Facsimile Edition
Star Trek Classics: The Mirror Universe Saga
Star Trek: The Q Conflict
Star Trek v1: Godshock
Star Trek v2: The Red Path
Star Trek v3: Glass and Bone
Star Trek: Defiant v1
Star Trek: Defiant v2 - Another Piece of the Action
Star Trek: Defiant v3 - Hell Is Only a Word
Star Trek: Lower Decks
Star Trek: Strange New Worlds - The Illyrian Enigma