Just edit your post if you want to expand your list of nominees, I'll check the existing posts in this thread from time to time and update the list below if there are differences.
Regarding trophies, this time it's likely that the winners will receive them not long after the announcement of the final results.
(The 2020 trophies were posted a day before the start of these nominations.)
Update: The nominations are over. A list of the polls can be found here.
1: Programming
1.1: Best Vorticon Mod (incl. level packs)
- Aarrgggh the Garg in: New Yorp City by Benvolio
- Bonus Episode: Fathership's Revenge by Szemi
- Botafloria by Nospike
- Commander Cool 1: Where's My Bears? by TheBigV
- Commander Keen in Venture to Vorti Peaks by Excuses
- Mura by Nospike
- The Alphamatic Version 2 + Marooned Over Mars Expansion by Gridlock
- Another Helping of Veggies v1.2 by Szemi
- Return to the Shadowlands by Ceilick
- The Prisoner's Dilemma by Kohntarkosz_
- Commander Keen in: Break the Targets! v2.0 by Trevor_trev
- Wolfenstein | Blade of Agony (Keen 4 levels) by Realm667 team
- Level 01 from Mura by Nospike
- Green Land (Level 07) from Commander Cool 1: Where's My Bears? by TheBigV
- Frigid Fortress (Level 05) from Return to the Shadowlands by Ceilick
- Space Port Tehlah (Level 25) from The Alphamatic by Gridlock
- A-Danac Express (Level 10) from The Prisoner's Dilemma by Kohntarkosz_
- Tiny Town (Level 11) from The Prisoner's Dilemma by Kohntarkosz_
- West Tundra Town (Level 08) from The Prisoner's Dilemma by Kohntarkosz_
- Bounder Town (Level 07) from Return to the Shadowlands by Ceilick
- The Ruins of Sand Yego (Level 03) from Return to the Shadowlands by Ceilick
- Lost Longhouse (Level 09) from Return to the Shadowlands by Ceilick
- Dunesville (Level 01) from Return to the Shadowlands by Ceilick
- Keen 4 level "Blue Cartridge" from Wolfenstein | Blade of Agony by Realm667 team
- Keen Text Editor by John314
- Orbatext by Quirky Moron
2.1: Best Graphical Artwork (e.g. an individual piece of art or a series of comics)
- Commander Keen: The Comic Strip by Mort
- Commander Keen Lego Set by Morten Sørensen
- Keen 1 Redrawn by Pandakeen
- Keen & Garg by FaceLaces
- 3D Art (Robo Red, Keen & Robo Red, Omegamatic) by Vilde321
- Commander Keen: The Comic Strip by Mort
- IceDuck347's Keen comic by IceDuck347
- Commander Keen (played on Ensoniq SD 1) by Anders Enger Jensen
- Krile Jazz by TheBigV
- Hide & Seek from The Armageddon App OST by 55Aavenue
- Wishing Well from Short Circuit Oracle OST by 55Aavenue
- The Outskirts of a Good Time by XkyRauh from Return to the Shadowlands by Ceilick
- Cul-de-Slack by XkyRauh from Return to the Shadowlands by Ceilick
2.5: Best Non-Computerized Art (pencil drawing, sculpture, cosplay etc.)
2.6: Best Gameplay Video (speedruns, playthroughs etc.)
- Commander Keen in Venture to Vorti Peaks Trailer by Excuses
- Insalevs 3 Level A: Fastest route by Pandakeen
- it is possible. by proYorp
- Keen 5 - 3D remake thing (Work in progress) by Jobbed Games
- The Mystery of Isis II playtrough by DarkAle
- Beating Pyramid of the Forbidden on Normal without saving by TheBigV
3.1: Best Website
- Commander Keen: The Comic Strip by Mort
- KeenWiki by Malvineous
- PCKF Archive by Grandy02
- Plerb Tech by Pandakeen
- The Shadowlands by Koshka
3.3: Online Community Service Recognition (for the hard-working admins, moderators and website owners)
- Fleexy
- Grandy02
- Pandakeen
- Mort
4.1: Keenest Person of the Year
- K1n9_Duk3
- proYorp
- Soul Monster
- Ceilick
- Quillax
- Benvolio
- Nowhere Girl
- Fanart section (PCKF Archive) by Grandy02
- Goodbye Galaxy Report Card posted by Multimania
- Mystery of Isis II source code, assets, design document, etc. by ckGeoff
- Short Circuit Oracle & The Armageddon App OST by 55Aavenue
- Recreated Keen 4-6 Source Code by K1n9_Duk3
- Revival of Commander Keen: The Comic Strip by Mort
- Keen 1 Redrawn by Pandakeen
- Foray in the Forest by Nisaba
- Operation Station Infiltration by Ceilick
- Send in the Clorts by Kohntarkosz_
- Episode -3 by cyber zero and brother
- Keen 4 Vorticon Demake by proYorp