Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
7 projects | news.ycombinator.com | 10 Jun 2021
There is Aplette which supposedly integrates nicely with other Unix tools. It's a port/update of the earlier openAPL source code, which I think was done by Ken Thompson? Here:
The APL Orchard
1 project | news.ycombinator.com | 4 Feb 2021
If you're interested in recent developments in array languages, I recommend checking out:
ngn/k https://git.sr.ht/~ngn/k/tree/master/item/readme.txt (Previous discussion: https://news.ycombinator.com/item?id=22009241)
I'd also recommend checking out J, which isn't a recent development, but has the best syntax out of all array languages, has the best development environments, is the easiest to learn (it has a way to learn it built into the language itself!), and is the only one that treats making GUIs as a first-class feature: jsoftware.com (Has so many previous discussions I just recommend using HN search to find them.)
The chat is biased to Dyalog APL, but a lot of the modern additions Dyalog has made to the language make it (in my opinion) worse as a notation, so ideally don't let it turn you off of the concept of array languages entirely if Dyalog doesn't "click" with you.
If you haven't already, you should also check out Notation as a Tool of Thought, a paper so good it won Iverson the Turing Award:
What are some alternatives?
APL - another APL derivative
array - Simple array language written in kotlin
fish-shell - The user-friendly command line shell.
json - A tiny JSON parser and emitter for Perl 6 on Rakudo
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