A curated collection of top-tier penetration testing tools and productivity utilities across multiple domains. Join us to explore, contribute, and enhance your hacking toolkit!

MCP server for browser automation via Jan Browser extension - provides tools for web navigation, interaction, and search

Free padel Americano and Mexicano draws, pickleball round robins and knockout brackets.

Corporate gift ideas by budget and recipient, USPS holiday ship-by dates and a gift budget tool.

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

Everything NoMac in one server: the Mac, the cloud iPhone and the App Store.

Resize, compress, convert, crop, rotate and watermark images, one at a time or in a zip.

Run every client's AI from one console: workspaces, roles, MCP tools, approvals and spend.

Verified maths exercises for tutors and their students, each answer key right by construction.

Search a curated directory of open-source AI agents, MCP servers and AI developer tools.

YouTube transcripts, open jobs from careers pages, app store reviews and X posts for AI agents.

Trip, roster, client and session tools for dive and watersports operators, scoped to one tenant.

Find public MCP tools and SDKs. Compact setup and Sample cards. Free discovery needs no key.

116 marketing, RevOps and SaaS calculators with benchmarks, guided reviews, content search, booking.

Email deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words

Count the words in a text, make a calendar .ics file, or turn a table into a CSV file.

Paid web research, fact-check, page summary and extraction for AI agents (USDC via x402).

Hyperwave wavetable format lookup, encoder layouts, and float32 mono frame-size calculations.

Base token facts and ERC-20 allowance checks. Per-call USDC on Base; x402 wallet required.

KYB company check, state business registry, PDF to Markdown, tech stack, WHOIS, sitemaps, PageSpeed.

Create invoices, quotes, receipts and credit notes with GST or VAT, as prefilled links or PDFs.

Create short links, track clicks and attribute sales — 8 tools backed by the Subtraq API.

Steam backlog, account value, buy-or-skip verdicts and Steam Machine checks. Hosted, keyless.

Free email verification, business calculators, UAE estimates and drafts. No API key.