Use duelingnexus.com to build and save your decks. Ignore the banned/card limits. Source: 6 months ago

I would suggest trying out decks on free simulators like duelingnexus.com first before you decide on what to invest on. You'll be swimming in free gems as a new player but you'll find it'll dry up pretty fast, its better to get a decent feel for a deck and how it plays before you spend your gems building it. Source: about 1 year ago

Https://duelingnexus.com is a wonderful online dueling platform if you can't find anyone to duel irl. Source: about 1 year ago

Yu-Gi-Oh! Dueling Nexus (a simulator that runs in your web browser, easily the most convenient option out of anything I've listed. If you're literally just doing this to test strategies out, which I'm pretty you are, then this is probably what you want to use). Source: over 1 year ago

At first I thought it was about the website duelingnexus.com and was very confused why there would be an announcement, and for it to be reposted to r/yugioh of all places. Source: over 1 year ago

Startup Stash • Tools and resources for entrepreneurs Integrations Directory • Directory of integrations for your no-code product. One Page Love • Find inspiration from one-page websites Do Things That Don’t Scale • Collection of unscalable startup hacks NoCodeList • Software for your projects Page Flows • User design flow inspiration Stackshare • Find software for your projects and business Side Hustle... Source: over 1 year ago

One of the things you will need to think about at this stage of the project lifecycle is the tools you will use to power your business. Startup Stash is a directory of tools (both free and paid-for) that you can utilize at the start of your business journey. In addition to that check our directory of tools, that we’ve checked and used during our startup journey. - Source: dev.to / about 2 years ago

"Startup Stash - A Curated Directory of Tools and Resources for Your Startup" https://startupstash.com. Source: almost 3 years ago

Also useful (but not a book): https://startupstash.com/. Source: about 3 years ago