Directory overview

MarsX maintains a curated collection of 600+ AI tools aimed at startup founders and product builders. The directory aggregates generative AI products and utilities (GPT‑based and other models), highlighting tools that can help with growth, development, and early user acquisition. Submissions are collected via an on‑page form and added to the listing.

Categories covered

The site organizes tools across many categories relevant to startups, including Assistant, Audio, Coach, Design, Ecommerce, Email, Guide, Marketing, Programming, SEO, Web, and Writing, among others.

Pricing

By default, new tools are added within ~3 months and published with a no‑follow link. There is a paid option to publish immediately with a forever do‑follow link for $49.

Key benefits

Users get a focused, founder‑oriented directory that surfaces AI tools across practical categories, helping early‑stage teams discover relevant solutions and gain initial users through curated exposure.