
SpecialistA massive Japanese community platform specializing in AI illustration discovery, sharing, and prompt generation.
SpecialistA massive Japanese community platform specializing in AI illustration discovery, sharing, and prompt generation.
Open Apps records 55,880 monthly visits with +6.1% month-over-month growth and Free pricing. PromptHero records 1,044,654 monthly visits with -2.4% growth and Freemium pricing.

Independently scored open-source alternatives to paid SaaS
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | openapps.pro | prompthero.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 55.88K (55,880) | 1.04M (1,044,654) |
| MoM Traffic Delta | +3.24K (+6.1%) | -25.86K (-2.4%) |
| Primary Market & Share | 🇫🇷 France (8.7%) | 🇺🇸 United States (15.9%) |
| Direct Visits / mo | 22.97K | 294.24K |
| User Rating | 4.3 | 4.4 |
| Supported Platforms | Website | Website |

Independently scored open-source alternatives to paid SaaS
Every app and package receives independent repo-health, technical and dependency-health ratings with a published methodology.
Browse by the commercial product you want to replace — Notion, Firebase, Vercel, Slack, Salesforce and hundreds more.
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Original reports plus aggregate data on GitHub stars, contributors and how many SaaS products the catalogue replaces.
Search millions of AI prompts and generate images and videos with every major model
Search and filter a large library of community prompts by model, style or category, and see the exact text behind each result.
Create images and videos on-site with models including ChatGPT Image, Midjourney, FLUX, Nano Banana, Seedream, Veo and Sora.
Browse documented AI image, video and language models in one catalogue to decide which engine fits your task.
Paid plans keep your output unlisted, and unused generation credits accumulate instead of expiring each month.

SpecialistA massive Japanese community platform specializing in AI illustration discovery, sharing, and prompt generation.
SpecialistA massive Japanese community platform specializing in AI illustration discovery, sharing, and prompt generation.
Free / Open-sourceProvides deep community-driven model and prompt discovery for image generation, with built-in cloud execution capabilities.
Combines prompt discovery and model hosting with online generation for Stable Diffusion and LoRA checkpoints.
Combines prompt discovery and model hosting with online generation for Stable Diffusion and LoRA checkpoints.

Innovate freely with a huge library of free AI generators.
Innovate freely with a huge library of free AI generators.
Features a massive community prompt library with instant chat execution, though with less curated image-specific search filters.
Features a massive community prompt library with instant chat execution, though with less curated image-specific search filters.
Free / Open-sourceOffers trending prompt discovery paired with an integrated generation canvas for direct image remixing.
Free / Open-sourceOffers trending prompt discovery paired with an integrated generation canvas for direct image remixing.
A curated AI tools directory with 5,000+ listings
A curated AI tools directory with 5,000+ listings

An online marketplace for buying and selling verified prompt templates, whereas PromptHero focuses on free community discovery.
An online marketplace for buying and selling verified prompt templates, whereas PromptHero focuses on free community discovery.
Find, compare, and learn to use the best AI tools
Find, compare, and learn to use the best AI tools
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills

Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities

Marketplace to find, hire, or build AI agents for real work
Marketplace to find, hire, or build AI agents for real work