Subwasm is a cli utility to look inside a Substrate WASM Runtime. It can inspect and compare the metadata of Substrate based runtimes such as Polkadot or Kusama.
A command line utility on top of the tera templating engine. Takes json|yaml|toml as input and can merge ENV in. You may see it as envsubst on steroid.
A set of crate related cargo commands. You can for instance get the information about a crate, as text or json, including the owners of a crate and its versions.
As dev or end user, if you keep looking for the right endpoint for your Polkadot/Substrate blockchain, `subrpc` will make your life much easier. It is like the apt/brew of substrate chain endpoints…