promptfoo/promptfoo

test and compare LLM prompts and models locally

automates prompt tuning for LLMs with feedback and example generation
microsoft/PromptWizard
structured prompt templates for LLMs, like programming for prompts
langgptai/LangGPT
tools for building and testing LLM app workflows
microsoft/promptflow
prompt engineering toolkit for NLP tasks with LLMs
promptslab/Promptify
markup language for structuring LLM prompts
microsoft/poml
Command-line tool for running prompts and managing outputs with OpenAI, Claude, Gemini, Llama, and more
simonw/llm
prompt engineering tutorials and guides for LLMs
NirDiamant/Prompt_Engineering
AI prompt template manager for multiple chat platforms
dongshuyan/PromptHelper
turn code files into LLM prompts locally with a simple browser GUI
Dicklesworthstone/your-source-to-prompt.html
Prompt management with version control for AI projects
newdee/prompt-shelf