Yellow Lab Tools

Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.

Product
ToolDeskHub 100+ Free Online Tools for Writing, SEO, Images & Productivity
Phone Test browser-based hardware check Test your phone's screen, speakers, mic & camera in browser
Roleplay Most AI agent tests check if your agent gave the right answer. Roleplay tests whether it can be manipulated into doing the wrong thing. Roleplay runs social-engineering attack packs against your agent, captures…
Scroll Speed Test Test Your Mouse Click Speed & CPS Instantly—Free Online
MySpeedCheck Internet Speed Test allows you to check your internet speed, experiencing slow internet? then check your WIFI DSL internet speed with this free speed test service.
AI Code Review Toolkit Catch what Claude Code, Cursor & Copilot miss in PRs
AI Dimag Verified memory for AI coding agents that proves it's true
NetDiag.Dev - Website Connectivity Diagnostics API Simple REST API for DNS, TLS, HTTP health checks.

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product
Flashlight Control your Mac with a keystroke.
OpenCode 2.0 The open source AI coding agent
UV An extremely fast Python package and project manager, written in Rust.
ClickSend SMS Communicate like never before via SMS, MMS, Voice, Rich Media, Direct Mail and more. From single to scale by web app or API.
HTMLCSS to Image API Capture website screenshots, render HTML/CSS, or create templated graphics. Render images or PDFs. Use MCP with AI, no-code automation, or the REST API. No browsers needed.
Threat Stack Cloud Sights helps you protect your cloud infrastructure. Harden your servers against attacks, know what users are logged in and what they are doing, and be alerted of suspicious activity

Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

Product
Skyelight Website and prototype feedback for teams and AI agents
NotchStack Sales, AI limits and agent alerts in your Mac's notch
see.io Describe your idea, get a live website in minutes
Mahvex All your developer needs — tools, news, downloads, one place

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

Profile
James NoCode YouTube · 57K subscribers
NoCode AI Builders YouTube · 13K subscribers
NeuSource Startup Minds 🎯 NeuSource के साथ करें अपने नए बिज़नेस की शानदार शुरुआत ⬇️

Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show
Gareth Pronovost | Build Without Code YouTube · 42K subscribers
PlanetNoCode YouTube · 36K subscribers
Glide YouTube · 31K subscribers

Retold founder accounts from startups in the same category, each linked to the original.

Story
Tailwind UI's $2 million was five months of a commercial product, not a URL typo Adam Wathan's August 2020 essay says Tailwind CSS had about 10 million installs and that Tailwind UI, then about five months old, was about to cross $2 million in revenue, figures he stated himself beside a slug that mis
ScreenshotOne took three years to $10k MRR and eight months to $20k Dmytro Krasun says ScreenshotOne reached $10k monthly recurring revenue in September 2024, almost three years after launch, then $20k in June 2025, and that the second number changed how much more money still drove him.
AJ said Carrd was about $1.2M ARR and he spends time on the product, not campaigns AJ told SaaS Club Carrd was about $100k MRR, about $1.2 million ARR, and that with two people he invests time in the builder rather than in finding ways to market it; he did not, in the sources fetched here, state $2M AR
WP Engine passed $100M ARR after Cohen made thirty people say they would pay $49 Jason Cohen says he did not start WP Engine until 30 people said they will pay $49 a month, 20 of them did, and in January 2018 he reported the company had passed $100 million ARR and closed $250 million from Silver Lake

Subcategories in the same part of the directory, with the number of listed products.