My Grandfather would like resume his IT adventure and exercise his brain more. He's got a PhD when IT term hadn't been coined yet and was programming in 60s,70s,80s in languages like ALGOL, Basic etc. He tried to approach Python but it's a bit hard to follow for him these days and I'm .NET/Java programmer so I can figure out stuff but can't really lead him into Python. He's read about Microsoft PowerApps but as I've discovered there is no Community version only paid like 40$/month.
So is there any intuitive free alternative for Microsoft PowerApps(Low Code/No Code solution) that is good with data analysis?
PS: I'd like to create
No Code tags, but I don't have 150 rep yet.