BAML is a language that helps you get structured data from LLMs, with the best DX possible. Works with all languages. Check out the promptfiddle.com playground

The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM Observability all in one place.

vim as a perfect large language models prompts playground

A web UI designed to simplify AI experimentation, integration, and testing. It offers Java developers an easy way to explore and use large language models (LLMs), vector databases, and prompts.

Utilized unify and build chat interface in the application where the user enters a prompt and simultaneously sees the output from the two chosen LLMs and see the Leaderboard of the LLMs which is performing well for given prompt