promptmanager and GPTPromptMaster
These are competitors—both are browser-based prompt management tools that serve the same primary use case of storing and applying custom prompts to ChatGPT, with no technical integration between them.
About promptmanager
jonathanbertholet/promptmanager
Open Source Prompt Manager for ChatGPT, Supports 19 LLMs & some cool features!
Implements browser-local storage with tag-based organization and templating via `#variable#` syntax for dynamic prompt reuse across platforms. Chrome extension architecture with keyboard shortcuts (⌘+Shift+P / Ctrl+M) for quick access; includes import/export functionality and Jest/Puppeteer test suite. All data persists locally without external server communication, prioritizing user privacy.
About GPTPromptMaster
m-c-frank/GPTPromptMaster
ChatGPT Browser Extension for Creating and using Custom Pre- and Post-Prompts
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