Categories
Every listing is filed under the service or brand it specialises in. Pick a category to see the prompt tools that match.
Prompt Libraries
Curated collections of ready-to-use prompts, system prompts and prompt templates for ChatGPT, Claude, Gemini and coding agents.
Prompt Marketplaces
Storefronts and communities where prompt engineers sell, share and discover prompts, custom GPTs and prompt packs.
Prompt Managers & Versioning
Platforms and libraries for writing, storing, versioning and deploying prompts, including prompt IDEs, registries and template formats.
Evaluation & Testing
Frameworks and platforms for scoring prompt and agent output: eval harnesses, LLM-as-judge tooling, benchmarks, red teaming and observability.
Image & Video Prompt Tools
Prompt builders, galleries and generation platforms for image and video models such as Midjourney, Stable Diffusion, Flux and Sora-class video tools.
Agent & Prompt Frameworks
Developer frameworks that turn prompts into programs: structured output libraries, agent orchestration toolkits, prompt compilers and automatic prompt optimizers.
Courses & Guides
Courses, certificates, interactive tutorials and long-form reference guides that teach prompt engineering and context engineering.