These are a few bundles that are ongoing in celebration of Mayday...

Mongoose Traveller 2E includes: Mongoose Traveller 2E Starter Set, MGT Companion Update 2024, and Central Supply Catalogue Update 2023 in the basic tier. On the extended tier: High Guard Update 2022, Traveller Vehicle Handbook 2E, Six Traveller 2E Referee Briefings, and Traveller 2E Referee's Screen Update 2024.

Pirates of Drinax includes: Pirates of Drinax (MgT 2E) and 3 MgT 2E Reach Adventures in the basic tier. And in the extended tier: MgT 2E Drinaxian Companion, MgT 2E Shadows of Sindal, and 3 more MgT 2E Reach Adventures.

Free Trader Beowulf includes This is Free Trader Beowulf only.

Traveller Imperium Tour includes: The Traveller Book, The Traveller Adventure, 6 Traveller starship plans, S12 Forms and Charts, Classic Traveller Facsimile Edition, and Classic Traveller Orientation Pack in the basic tier. And the extended tier includes: 8 Traveller Alien Modules and 5 Third Imperium guides.

FASA Traveller includes: ISCV King Richard + Action Aboard, 5 FASA Traveller adventures, and Starport Hotel Complex for the basic tier. The extended tier includes: Sky Raiders trilogy FCI Consumer Guide, 4 FASA Traveller Deck Modules, and FASA Adventure Class Ships 1-4.

Gamelords Traveller which includes: Pilot's Guide to the Drexilthar Subsector, 3 Gamelords planet environments, 3 Gamelords planetary adventures, and 3 Gamelords adventure anthologies in the basic tier. And for the extended tier: 9 Cargonauts supplements and 8 Marischal Folio.

Anyting I missed?

Edit (May 2nd) - Traveller5 bundle includes: Traveller5 Core Rules 3-Book Set, T5 Starships & Spacecraft deck plans, and T5 Gazelle-Class Close Escorts