# Tools by Valley > Free, single-use GTM tools made by Valley. Each tool does one job, needs no signup, says where it runs, and links to the public source of any rule it checks against. Every page has a Markdown version at the same URL plus .md (the home page is https://tools.joinvalley.co/index.md). The whole site as one file: https://tools.joinvalley.co/llms-full.txt ## Tools - [Cold email calculator](https://tools.joinvalley.co/cold-email-calculator.md): Works back from the meetings you want to the people to contact and emails to send. - [Email spam checker](https://tools.joinvalley.co/email-spam-checker.md): Scores a cold email out of 100 and flags links, money signs, em dashes and merge tags. - [LinkedIn X-ray search builder](https://tools.joinvalley.co/linkedin-x-ray-search.md): Builds a Google search that finds LinkedIn profiles by job title, company and city. - [SPF, DKIM and DMARC checker](https://tools.joinvalley.co/spf-dkim-dmarc-checker.md): Checks a domain's SPF, DKIM and DMARC records against Gmail and Yahoo's sender rules. ## Shelves - [01 Data and prospecting](https://tools.joinvalley.co/data-and-prospecting.md): Check, clean and fill in contact data. - [04 Email outreach](https://tools.joinvalley.co/email-outreach.md): Set up your domain and stay out of spam. - [06 Outbound planning](https://tools.joinvalley.co/outbound-planning.md): Size a campaign before you start sending. ## About - [About Tools by Valley](https://tools.joinvalley.co/about.md): who makes the tools and why they're free - [Privacy](https://tools.joinvalley.co/privacy.md): what happens to what you type - [Valley](https://www.joinvalley.co/?utm_source=tools_suite): Valley is an AI outbound platform that finds the people most likely to buy from you - from live buying signals, natural-language search, or your own lists - qualifies them against your ICP, researches each one, and sends personalized messages across email and LinkedIn that get 15-45% reply rates, against a category average of about 2%. ## Optional - [tools.json](https://tools.joinvalley.co/tools.json): every tool and shelf as JSON - [New tools feed](https://tools.joinvalley.co/feed.xml): Atom feed of tools as they publish - [Sitemap](https://tools.joinvalley.co/sitemap.xml)