No moat. Still in business.

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Excel add-in for querying tables with SQL, scripting workbooks in C# and building custom Excel functions.

Since 2016

Free plan · Data and spreadsheets · Developers

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Watches web pages for changes and sends alerts or scraped data to Slack, Discord, Telegram or Google Sheets without code.

Since 2019

Free plan · Uptime and monitoring

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Hosted RabbitMQ and LavinMQ message queues that are monitored and maintained for you on the major clouds.

Developer tools · Developers

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Mac app that captures stills and video of your Mac, iPhone or iPad screen, then lets you mark up and add backgrounds before sharing.

One-off payment · Design and images · Creators and writers

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An API that renders HTML and saved templates into PDFs and screenshots, for developers who need documents from their apps.

Pay as you go · Documents and e-signature · Developers

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Send JSON events from your app with one request, then chart, query with SQL, set alerts and embed dashboards.

Since 2022

Free plan · Website analytics · Developers

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Gives your OpenClaw AI agent a phone line so it can call you with alerts and briefings when your rules trigger.

Since 2026

Subscription · Automation and integrations · Individuals and families

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Mac app for screenshots and screen recordings that adds auto zoom and backgrounds, and lets an AI agent film demos.

Since 2026

Free trial · Video and audio · Creators and writers

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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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WordPress plugin that sends site email through a proper SMTP provider and logs each message so you can see if it arrived.

Free · Transactional email

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Falco based Kubernetes security tool that spots attacks inside your own cluster, sends no telemetry and is paid for once.

Since 2026

One-off payment · Security and passwords · Developers

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Watches competitors' sites, emails, ads, news and SEO and alerts early B2B SaaS founders to changes that matter.

Subscription · Marketing and social · Software companies

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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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Watches AI agents in production, groups recurring failures and alerts you so a coding agent can fix them.

Free plan · 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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A small Mac app for taking, marking up and measuring screenshots, with text recognition, built for designers and developers.

Free plan · Design and images · Individuals and families

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Sends messages from your scripts, servers or webhooks straight to the Pocket Alert app on your iPhone or Android phone.

Since 2024

Free plan · Uptime and monitoring · Developers

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A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work

Since 2024

Developer tools · Developers

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Checks your websites, SSL, ports and cron jobs, confirms outages from other regions and runs status pages on your domain.

Since 2024

Free plan · Uptime and monitoring · Online sellers

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Free open-source Mac app for screenshots and screen recordings, with markup, OCR and a GIF editor.

Free · Design and images · Individuals and families

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Mac screenshot tool that adds backgrounds, hides private details and pulls out text, for people sharing screenshots online.

Since 2024

Free · Design and images · Creators and writers

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Turn screenshots into framed, styled images and mockups for social posts, app stores and marketing.

Since 2022

Free plan · Design and images · Agencies

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Mac screenshot and screen recording tool with a cloud space where teams and clients store, comment on and share captures.

Design and images · Agencies

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Screenshot tool for desktop users that lets you capture an area, mark it up with arrows, blur or text, and save it.

Free · Design and images

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Tracks machine learning experiments, metrics and model versions for ML teams, with an API compatible with Weights and Biases.

Free trial · Developer tools · Developers

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Records each step of an AI agent's run so developers can spot slow calls, errors and token costs.

Since 2026

Free plan · Uptime and monitoring · Developers

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Watches your sites, certificates, DNS records and scheduled tasks around the clock and tells your team as soon as something fails.

Subscription · Uptime and monitoring · Developers

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Watches web pages, news and social sites for topics you pick and alerts you with a summary when something changes.

Free plan · Uptime and monitoring · Individuals and families

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A web workspace where analysts write SQL over market prices, macro series and SEC filings, then chart the results without Python.

Since 2026

Subscription · Data and spreadsheets

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Tracks API traffic, errors and response times, logs requests and sends alerts, set up with a few lines of code.

Since 2025

Free trial · Uptime and monitoring · Developers

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Watches MySQL, PHP-FPM, Varnish and NGINX servers in one dashboard with alerts, as a swap in replacement for NGINX Amplify.

Since 2026

Free plan · Uptime and monitoring · Developers

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Mac screenshot app for scrolling and window captures, quick markup, text recognition and pinning images on screen.

Design and images · Individuals and families

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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.

Since 2026

Free plan · Developer tools · Developers

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A browser extension that takes full-page or region screenshots, lets you annotate them, and saves image or PDF locally.

Since 2026

Free · Design and images

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Mac menu bar recorder that captures a chosen screen region as a GIF, MP4 without sound or PNG, saved locally with no watermark.

Since 2026

Free · Video and audio · Developers

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

Since 2026

Free plan · Developer tools · Developers

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Server monitoring for teams with cloud or dedicated machines. Install with one command, and get alerts only when a person needs to act.

Free plan · Uptime and monitoring · Developers

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A free Mac app for recording screen demos with auto zoom and captions, and marking up screenshots.

Since 2026

Free · Video and audio · Creators and writers

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Tracks domain renewals, SSL certificates and DNS records for many sites and alerts you before something lapses or breaks.

Subscription · Uptime and monitoring · Agencies

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A Mac app that captures full resolution screenshots from a connected iPhone or Android phone with one shortcut, saved locally.

Design and images · Developers

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A Mac screenshot tool that marks up captures, blurs private data and sends them to your AI coding agent.

Free · Design and images · Developers

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Runs test submissions on WordPress forms and WooCommerce checkouts and alerts site owners when one breaks.

Uptime and monitoring · Online sellers

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Mac app for screen captures and recordings that automatically adds zoom on clicks, captions and your webcam to videos.

Free · Video and audio · Creators and writers

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Mac app for taking, annotating and sharing screenshots and screen recordings, with cloud links.

Design and images · Individuals and families

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Turn screenshots and screen recordings of your software into angled, studio style product images and videos in the browser.

Since 2026

Design and images · Creators and writers

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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.

Since 2026

Developer tools · Developers

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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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Alerts you by email, Slack or a ticket when a cron job, backup or pipeline misses its expected check-in.

Since 2026

Free plan · Uptime and monitoring · Developers