Examples of code playground/sandbox apps taken to the next level, how they work, and how far you would take a code playground site?

• rust-playground

  71 1,186 9.4 Rust

  The Rust Playground

  

At first I was thinking about how to create a package manager website for a custom programming language, looking at crates.io and npmjs.com. But then you also want to have a "try" feature, if this package manager is for a language, so then it's like "code sandboxes" like play.rust-lang.org and the robust codesandbox.io for JS/TS.

• crates.io

  662 2,822 10.0 Rust

  The Rust package registry

  

At first I was thinking about how to create a package manager website for a custom programming language, looking at crates.io and npmjs.com. But then you also want to have a "try" feature, if this package manager is for a language, so then it's like "code sandboxes" like play.rust-lang.org and the robust codesandbox.io for JS/TS.

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• codesandbox-client

  366 12,923 9.5 JavaScript

  An online IDE for rapid web development

  

At first I was thinking about how to create a package manager website for a custom programming language, looking at crates.io and npmjs.com. But then you also want to have a "try" feature, if this package manager is for a language, so then it's like "code sandboxes" like play.rust-lang.org and the robust codesandbox.io for JS/TS.

• compiler-explorer

  195 15,411 9.9 TypeScript

  Run compilers interactively from your web browser and interact with the assembly

  

https://godbolt.org is my favorite for C

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