Apps similar to PromptMatrix include Promptline, which is free and open source. Other options are SpacePrompts, PromptVault, Prompt Hub and ImPromptr. In total there are seven Text Expanders like PromptMatrix for the web, self-hosting and Windows.
Keyboard-first tray app for coding agents: copy an error or diff, press a global hotkey, choose a prompt, and paste clipboard context into Claude Code, Codex, Cursor, or browser chat. Plain JSON packs include search, pins, fields, preview, and review before use. No account or telemetry; disable daily update checks.
Netherlands
EU
SpacePrompts is an AI prompt management platform that helps individuals and teams organize, run, and refine their prompts, with a built-in playground, prompt evaluator, and multi-model support.
Save, organize and reuse your AI prompts in a Chrome side panel — one-click insert into ChatGPT, Claude, Gemini and 6 more AI platforms.
ItalyEU
Prompt-Hub is an AI prompt engineering platform that supports over 200 models, including DeepSeek R1. It offers team collaboration, prompt iteration, version control, conversation logs, and usage analysis. Developers can also share prompts globally via the app store.
A professional prompt architecture platform that helps AI power users build production-ready prompts through iterative refinement, context engineering, version control, and project-based organization.
United States
The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.
GermanyEU
HungaryEU
