I’d go for ███ ████ or ██-█.
I’d go for ███ ████ or ██-█.
The easiest Traveller version is definitely the one from Mongoose.
Also, you should check out Seth Skorkowsky’s overview videos:
https://youtube.com/playlist?list=PL25p5gPY6qKVUg6ys5N1oRlsBI7DTByyI
I settled on Campaign Cartographer 3+.
It has a steep learning curve, but seems to be the most powerful tool by far.