1
Open-source CLI and library of reusable AI prompt patterns for summarising and writing
★ 44k · MIT · updated 2026-09-24
8.0/10
What it is Fabric by Daniel Miessler (MIT) is a command-line framework built around "patterns": carefully written, crowdsourced system prompts for specific jobs such as extracting wisdom from a video transcript, summarising articles, writing essays, creating social posts, improving writing or analysing claims. You pipe text into a pattern and get structured output, which makes it handy for turning long… Read more →
Pros
- Readable, editable prompt patterns
- Works with many model providers and local models
- MIT, very active
Cons
- Terminal-first; not for non-technical users
- Output quality depends on the model you connect
Pricing: Open source · prompts cli summarization patterns
2
Large open prompt library, formerly Awesome ChatGPT Prompts, with web app and CLI
★ 171k · CC0-1.0 (prompts); MIT (code) · updated 2026-09-09
7.8/10
What it is prompts.chat, started by Fatih Kadir Akın as Awesome ChatGPT Prompts, is one of the most-starred repositories on GitHub. It collects community "act as" role prompts and task prompts for writing, marketing, education, coding and more, and has grown into a web app at prompts.chat, a CLI, a Claude Code plugin and a self-hostable prompt library you can… Read more →
Pros
- CC0 prompts, free for any use
- Web, CLI and self-host options
- Very active community
Cons
- Uneven, often generic prompts
- Many written for older models
- Content-specific prompts are a minority
Pricing: Open source · prompts chatgpt prompt-library cc0
3
Curated image prompts for Google's Nano Banana Pro, by use case and style
★ 13k · CC-BY-4.0 · updated 2026-09-25
7.2/10
What it is Awesome Nano Banana Pro Prompts from YouMind OpenLab collects community prompts and example outputs for Google's Nano Banana Pro image model (Gemini's image generation and editing model). Prompts are grouped by use case, including profile avatars, social media posts, infographics, YouTube thumbnails, comics and storyboards, product marketing, e-commerce main images, posters and app designs, and by visual… Read more →
Pros
- Organised by real creator use cases
- Example outputs for every prompt
- Updated daily
Cons
- Prompt provenance unclear
- Promotes the maintainer's commercial gallery
- No install; copy-paste only
Pricing: Open source · prompts nano-banana image-prompts gemini
4
Curated prompt collection with examples for OpenAI's GPT Image 2 model
★ 9.9k · CC-BY-4.0 · updated 2026-09-25
6.9/10
What it is Awesome GPT Image 2 is YouMind OpenLab's companion collection to its Nano Banana list, gathering prompts and example outputs for OpenAI's GPT Image 2 model, which powers image generation in ChatGPT and the OpenAI API. Prompts cover posters, product shots, infographics, avatars, thumbnails, UI mockups and stylised illustration, with text-heavy designs where GPT Image models are strong.… Read more →
Pros
- Current prompts for a new model
- Examples show expected output
- Strong on text-in-image designs
Cons
- Prompt provenance unclear
- Promotes the maintainer's gallery
- Copy-paste only
Pricing: Open source · prompts gpt-image image-prompts chatgpt