No moat. Still in business.

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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 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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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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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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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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Lets non-technical staff view, edit and query Postgres tables in a spreadsheet-style screen, using the database's own permissions.

Free · Data and spreadsheets

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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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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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Serverless Postgres that keeps each customer's data and vector embeddings in its own virtual database, for teams building B2B SaaS.

Developer tools · Developers

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Hosted Postgres that clones databases in seconds so each developer, CI run or agent gets its own copy, and idles at zero.

Since 2022

Developer tools · Developers

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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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Proxy that sits in front of PostgreSQL to pool connections, spread reads across replicas and shard data.

Developer tools · Developers

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A hosted Postgres database you view and edit like a spreadsheet, so non-technical teams can manage linked records.

Since 2026

Free plan · 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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Self-hosted tool that runs scheduled PostgreSQL, MySQL and MongoDB backups to cloud storage and alerts your team.

Since 2025

Free · Developer tools · 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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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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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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Hosting that deploys a frontend, backend and Postgres database from a repo, a folder or an AI coding assistant.

Since 2026

Free plan · Developer tools · Developers

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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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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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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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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

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Lets developers record counters and revenue figures in their own database, then chart them and set alerts in a hosted dashboard.

Since 2026

Subscription · Developer tools · Developers

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Send app events with one HTTP call, then search them and get them delivered to Slack, Discord, Telegram or webhooks.

Since 2026

Free plan · Developer tools · Developers

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Backs up Supabase databases and storage files to your own bucket on a schedule, then runs restore drills to prove they work.

Free plan · Developer tools · 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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Checks your site is up, sends alerts to Telegram or a webhook, and adds logs, metrics and a public status page.

Free plan · Uptime and monitoring · 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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Send push alerts to your phone or desktop from any script or app with a simple HTTP request, hosted or self-hosted.

Since 2022

Free plan · Uptime and monitoring · Individuals and families

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Catches production errors with stack traces and local variables, a cheaper Sentry-compatible option you can host yourself.

Free · Uptime and monitoring · Developers

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

Since 2026

Developer tools · Developers

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Managed backend with Postgres, GraphQL, user sign-in, file storage and serverless functions so developers can ship apps quickly.

Since 2020

Free plan · Developer tools · Developers

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A hosted backend with database, auth, storage and functions that AI coding agents can set up and run for you.

Since 2025

Developer tools · Developers

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Records every change to your PostgreSQL data with app context attached, giving engineering teams a reliable audit log.

Since 2023

Free trial · Developer tools · Developers

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Watches competitors' Instagram and X posts and sends you summaries when they launch products, cut prices or run campaigns.

Subscription · Marketing and social

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Desktop app for browsing and editing PostgreSQL databases, with an AI helper that writes migrations and fills tables with test data.

Since 2026

Developer tools · Developers

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Error tracking that works with Sentry client SDKs, plus performance and uptime checks, hosted for you or run on your server.

Free plan · Uptime and monitoring · Developers

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Gateway and dashboard that routes LLM requests and logs them so teams can debug and analyse their AI apps.

Free trial · Uptime and monitoring · Developers