Blockstream has just released Simplex, a Rust-based developer framework for Simplicity smart contracts, aimed at providing a rich suite of tools for implementing, testing and deploying contracts on Liquid.

* CLI for managing Simplicity-based projects.
* SDK with essential Simplicity utilities.
* Liquid regtest for local integration testing.
* Extensive framework configuration.

Start building with expressive, high-assurance smart contracts today.

https://github.com/BlockstreamResearch/smplx