# jstack > Personal software. We run it. We open it. We build tools we actually use, then we open them. Booktree is a link in bio for book people. Kits (WebsiteKit, BlogKit, SupportMate) let an agent add a site, a blog, or support in one move. The kit is open. The running box is ours. Nothing to prove. The journey is public. - Site: https://jstack.xyz - About: https://jstack.xyz/about - Email: hello@jstack.xyz - Logo: https://jstack.xyz/favicon.svg - OG: https://jstack.xyz/og.png ## Products - [VersionPill](https://versionpill.com): The board your agents read before they start work. - [Typewriter](https://typewriter.digital): Write the book. The agent works in the manuscript. - [Pixbox](https://pixbox.io): A client gallery for each shoot. - [EmailStack](https://emailmate.dev): Inboxes for your agents. You keep the SES keys. - [BookStand](https://bookstand.app): The store for the book. - [Booktree](https://booktree.xyz): Link in bio for book people. Share and sell. - [Guestcard](https://guestcard.app): The card that opens the album. - [FleetKit](https://fleetkit.co): Dispatch the trucks. - [WebsiteKit](https://jstack.xyz/products/websitekit): Your agent adds a website. - [BlogKit](https://jstack.xyz/products/blogkit): Your agent adds a blog. - [SupportMate](https://jstack.xyz/products/supportmate): Support the agent can work. ## For agents Plug MCP into your harness, or use ours. This file is the map. Product pages on each domain have the rest. Do not call a fork of a product by that product's name. ## Optional - [llms.txt](https://jstack.xyz/llms.txt) - [sitemap](https://jstack.xyz/sitemap.xml) - [robots](https://jstack.xyz/robots.txt)