Today, Thanks to this sub Reddit. I discovered 3 awesome new languages....

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/ProgrammingLanguages

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  • pony-tutorial

    :horse: Tutorial for the Pony programming language

    Pony is a relatively young but interesting language with capabilities-security.

  • xvm

    Ecstasy and XVM

    In a completely different vein: Ecstasy. (We recently began to write an Intro to the language, and there's a blog.)

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  • cooltt

    😎TT

    If you're looking for stuff pushing the boundaries of PL research, Agda (especially Cubical Agda) might be cool to look at. It's got lots of cutting edge stuff in it, pushing the boundaries of what is currently possible with dependent type theory. It's not the only language out there with cubical features (see also: cooltt), but it's probably one of the more fleshed-out implementations in terms of being practically useful. The 1Lab makes heavy use of it. There's also Introduction to Univalent Foundations of Mathematics with Agda that might be interesting to look at too!

  • Agda

    Agda is a dependently typed programming language / interactive theorem prover.

    If you're looking for stuff pushing the boundaries of PL research, Agda (especially Cubical Agda) might be cool to look at. It's got lots of cutting edge stuff in it, pushing the boundaries of what is currently possible with dependent type theory. It's not the only language out there with cubical features (see also: cooltt), but it's probably one of the more fleshed-out implementations in terms of being practically useful. The 1Lab makes heavy use of it. There's also Introduction to Univalent Foundations of Mathematics with Agda that might be interesting to look at too!

  • effekt

    A research language with effect handlers and lightweight effect polymorphism

    I'd also recommend checking out Koka and Effekt which are doing cool things with effect systems. You can see more languages in this space in this bibliography. Effect systems are pretty exciting as they can be used as an alternative to async/await (see the work on Multicore OCaml, for example).

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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