The Secret IDE is an all-inclusive environment for developing and deploying smart contracts on Secret Network. It's the best tool to get started with and the best tool to use, even if you're already a pro.
Currently, the Secret IDE is in public beta testing, and you can find all the information you need to get started with it here: https://github.com/digiline-io/Secret-IDE-Plugin
The following section will detail useful tools for developing Secret Contracts
Polar is development framework for building secret contracts. The aim of the project is to make Secret contracts development process simple, efficient and scalable. User can focus on logic of secret contract and not much about further steps in development. It facilitates features such as initiating project repo from contract templates, easy compilation of contracts, deployment and contract testing framework.
For the full docs see: https://docs.arufaresearch.com/getting-started/