JCivED - a toolbox for Civilization (CivDOS & CivWin full editor incl map) 2022-10-05

JCivED by @darkpanda is by far the most modern and advanced Civilization 1 editor created yet.

Pictures, downloads and more information in official thread here:
https://forums.civfanatics.com/threads/jcived-a-toolbox-for-civilization.486470/

Note: If you're a CivWin user you can use CivCracker to convert your JCivED creations to CivWin save format.
2022 Update: JCivED now supports CivWin!