jsonyaml.com

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
DeveloperToolsKit 35+ free dev tools – JSON, Regex, JWT & more, no ads.
utilsfor.dev Dev tools
API_TESTER Effortless API testing, directly from your macOS menu bar
Laravel Nightwatch Elite Laravel monitoring, meticulously crafted.
fjorj Expert Knowledge API for AI Agents
ArrayCat Convert any strings to array with ArrayCat
DigitalToolPad Modern Privacy-First Local Dev Tools
dotMock (https://mock.new) Spin up realistic mock APIs in seconds so you can build, tes

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

Product
Watchflow Complete infrastructure monitoring for your stack
Port Checker App A network diagnostic tool to identify accessible ports
CoffeeRelay Receive inspect and forward webhooks with ease
FreeCustom.Email Test signup flows with disposable inboxes and OTP parsing
WSL UI A modern GUI for Windows Subsystem for Linux
Oxlo.ai AI APIs with unlimited tokens and predictable pricing

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
Robert C. Martin American software consultant (b. 1952)
Florin Pop Programmer from Romania (Freelance)
Nicholas C. Zakas American computer scientist

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

Show
Dmytro’s Substack Newsletter · Dmytro Krasun
TechnoBizzVault Newsletter
Tech World With Milan Newsletter Newsletter · Dr Milan Milanović

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.