SiteLetter

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
Perkydash Downtime happens. Losing trust shouldn't.
Site24x7 Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.
Pingdom With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Healthchecks.io Monitor your cron jobs and scheduled tasks, get notified when they fail.
StatusCake Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Oh Dear Website monitoring that watches more than uptime
UptimeRobot Free Website Uptime Monitoring
Better Stack Everything you need to ship higher‑quality software faster.

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

Product
Modular DS Manage multiple WordPress websites from one place. Bulk updates, backups, uptime monitoring, security scans, client reports, and more.
StatusMC.net StatusMC provides statuspages, minecraft tps & mspt monitoring, website monitoring and incident management. Keep your users informed during an outage.
ePulz.io EU-hosted website monitoring. We watch uptime, SSL certificates, domain expiry, visual regression. Notifications to email, Telegram, Slack. GDPR friendly.
AlertsDown AlertsDown provides 24/7 website and API uptime monitoring with instant downtime alerts. Monitor response times, SSL certificates, and get notified when your services go down.
Page Witness PageWitness is an innovative website monitoring tool designed to capture, archive, and track visual and functional changes to web pages over time. Ideal for marketers, compliance professionals, and developers.
SecurityBot.dev Free security and uptime monitoring for your web applications. Monitor SSL certificates, security headers, DNS records, port scans, and more - all from one powerful dashboard.

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

Product
uptraq Uptime monitoring with AI incident analysis and status pages.
Notifier.so Free website uptime monitoring with 10 monitors, 5 status pages, and alerts via email, SMS, phone, and Slack.
Kawze Comprehensive Infrastructure Monitoring Kawze provides a robust uptime monitoring suite designed to track the health of websites, APIs, cron jobs, and domains.
Dialogs Monitor Free Website Uptime Monitoring Service. Checks websites every 60 seconds.

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.