I have found a list of TopGun aircraft (probably incomplete) here
https://forums.civfanatics.com/threads/topgun-temporary-list-of-units.349620/. I have compiled a list of units that were neither reuploaded nor made by other makers basically to mourn loosing them.
I have included it here should someone wants to mourn too:
- OV-1D Mohawk (Argentine);
- OV-1D Mohawk (Israel);
- JF-17 Thunder (Pakistan);
- Chengdu FC-20 (Pakistan);
- Chengdu F-10A (Iran);
- Ching-Kuo (Taiwan);
- Dornier Do-17 (Bulgaria);
- Avia B-534 (Czechoslovakia);
- Avia B-534 (Austria);
- Avia B-534 (Slovakia);
- Avia B-534 (Luftwaffe);
- Avia B-534 (Romania);
- B-2 Condor (USAAC);
- Sopwith ****oo (RNAS);
- MD-311 Flamant (France);
- Bloch MB-210 (Romania);
- Super Etendard (Iraq);
- EMB-312 Tucano (Argentine);
- EMB-312 Tucano (Aztecs);
- Albatros C.VII (Germany);
- SEPECAT Jaguar (Nigeria);
- SEPECAT Jaguar (Ecuador);
- Dornier Do-17 (Romania);
- Hansa Brandenburg W.12 (Germany);
- Siemens Schuckert D.III (Germany);
- AJ-2 Savage (USN);
- Blenheim MK.I (Romania);
- Il-4T (USSR);
- Spitfire MK.V (Anasazi);
- Junkers Ju-388 (Luftwaffe);
- Spitfire MK.V (USAAF);
- Me-410 (Germany);
- Me-410 (Romania);
- Avia S.199 (Israel);
- Me-109 (Austria);
- P-51 (Israel);
- IAR-316 (Romania);
- T-28B Trojan (South Vietnam);
- IAR-93B (Romania);
- PZL P-7 (Romania);
- An-26 (Romania);
- Curtiss P-6E (USAAC);
- Fokker E.V (Poland);
- MiG-21 Lancer (Romania);
- SM-55 (Romania);
- Fiat C.M.A.S.A RS-14 (Italy);
- F8F Bearcat (Thai);
- F8F Bearcat (France);
- MiG-3 (Romania);
- Ju-88 (Romania);
- IAR-99C (Romania);
- EBA-99C (Byzantine, I don't have a picture of it left but I think it was IAR-99C in fictional Byzantine livery);
- Mystere IVA (India);
- Lim-5m (Poland);
- MiG-17 (Eastern Germany);
- MiG-17 (Poland);
- Br.1150 Atlantique (Germany);
- PZL P-24 (Romania);
- AT-6D Harvard (Israel);
- F-5E Tiger II (Austria);
- IAI 201 Arava (Israel);
- Yak-52 (USSR);
- DFS 230 (Germany);
- Nakajima Ki-44 (Japan);
- F/A-18C (USMC);
- MiG-19 (Eastern Germany);
- MiG-19 (Indonesia);
- MiG-19 (Egypt);
- A-8 Shrike (USAAC);
- Embraer P-99 ASW (Brazil);
- P-63A (USAAF);
I deliberately did not include Luftwaffe 1946 units, the list may be incomplete or contain stuff that is still available, sorry for that. Also I was certain that TopGun made Israeli Spitfire but it is not mentioned anywhere.