No moat. Still in business.

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Sends alerts to on-call staff, handles their rotas and runs status pages so tech teams can respond to outages quickly.

Since 2020

Free trial · Uptime and monitoring · Developers

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Checks websites and APIs from several regions, alerts whoever is on call and runs a public status page.

Free plan · Uptime and monitoring · Agencies

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.

Developer tools · Developers

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AI agents for engineering teams that look into alerts across logs, metrics and code to find why systems broke.

Since 2023

Uptime and monitoring · Developers

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Self-hosted on-call paging that pulls commits, logs and metrics when an alert fires and explains the likely cause.

Free · Uptime and monitoring · Developers

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.

Since 2017

Data and spreadsheets

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Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

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Slack app that runs on-call and team rotations, messaging people at each handoff, and works without a paid Slack plan.

Free plan · Scheduling and booking · Developers

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Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.

Free plan · Developer tools · Developers

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Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.

Free plan · Developer tools · Developers

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Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.

Free plan · Developer tools · Developers

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An AI on-call helper that looks through logs, metrics and code to find why production broke and suggest fixes.

Since 2026

Free plan · Uptime and monitoring · Developers

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Runs incidents from alert to postmortem for engineering teams, with on-call rotas, escalations and status pages included.

Free plan · Uptime and monitoring · Developers

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Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.

Uptime and monitoring · Developers

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Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.

Free plan · Website builders

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Hosting for Python FastAPI apps that deploys with one command and handles scaling and HTTPS for developers.

Developer tools · Developers

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An AI agent inside Jupyter that writes and runs Python cells, reads the results and fixes errors during data analysis.

Free plan · Developer tools · Developers

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Sets up on-call rotas and escalations, then routes alerts to the right engineer by push, SMS, voice or email.

Free plan · Uptime and monitoring · Developers

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On-call rotas and escalation that page one engineer at a time, with uptime, SSL and server checks priced per server.

Free plan · Uptime and monitoring · Developers

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Learns from incidents your team already fixed and answers repeat outages in Slack with a runbook you can run.

Since 2024

Uptime and monitoring · Developers

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Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.

Since 2021

Free plan · Developer tools · Developers

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A Slack bot that answers new alerts with notes on how your team fixed similar incidents before.

Since 2025

Free plan · Uptime and monitoring · Developers