FourSight

No time for Downtime. Catch issues before your users do.

What it does

FourSight - Website and Systems Monitoring and Alerting - Running a Commercial SaaS? FourSight includes 25 commercial-safe monitors — built for revenue-generating apps from day one. HTTP, DNS, SSL, port, keyword and domain checks — from 4 global regions at configurable intervals. Alerts via email, Slack, webhooks and SMS. Incident timelines, maintenance windows, and branded status pages, all from one dashboard.

Does the same job

all alternatives →

StatusSight2024 · ▲164
Real-time outage alerts for the services you rely on
Free Monitoring Suite by WebGazer2024 · ▲338
Monitoring for websites, APIs, and cron jobs
ApiChecker2019 · ▲104
Reliable uptime and performance monitoring for your services
Lighthouse2016 · ▲144
Real-time monitoring and alerts for Slack administrators
easyping.2020 · ▲110
Uptime monitoring made super easy 📯.
WWT - Web Watch TowerJul 2026 · webwatchtower.app · ▲2
Website, SSL, domain & email monitoring in one place

More dev tools this month

the category →

Dograh▲592
The open source VAPI alternative
Dev tools · 25d ago · dograh.com
Meridian▲530
Don't let your work go unnoticed. Get promoted!
Dev tools · 20d ago · meridiona.com
x1▲516
Lovable for iPhone apps go from idea to App Store
Dev tools · 11d ago · x1.new
Computable GPU Index (CGI)▲424
The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com
Open-Source eInk Bike Computer▲404
OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com
The GTM Co-Founder▲402
Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com

Launched alongside, March 2026

the whole month →

Lightfield▲891
AI-native CRM that builds itself and does work for you
AI · Mar 2026 · lightfield.app
Tobira.ai▲730
A network where AI agents find deals for their humans
AI · Mar 2026 · tobira.ai
Claude Import Memory▲725
Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com
Littlebird▲712
The AI assistant that already knows your work
AI · Mar 2026 · littlebird.ai
Viktor.com▲701
Your AI Coworker that proactively executes tasks
AI · Mar 2026 · viktor.com
Jupid▲664
File your taxes with Claude Code
Commerce · Mar 2026 · jupid.com