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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An API that turns addresses into coordinates and back, pulls places out of text, and serves maps for app builders.

Since 2012

Free plan · Developer tools · Developers

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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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Plans delivery and service routes from a spreadsheet of stops, handling time windows, vehicle capacity and shifts.

Since 2024

Free plan · Jobs and field service · Trades and home services

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Checks and autofills customer addresses in checkouts and forms, using UK postcode data and a lookup API.

Free trial · Online shops · Shops and retail

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Adds interactive maps to WordPress with popups, category filters, clustering, store locators and 3D views.

Free plan · Website builders

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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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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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Map tiles, geocoding, search and routing APIs for developers who want location features without user tracking.

Since 2018

Free plan · Developer tools · Developers

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Runs browser and API checks against your app from many regions and alerts you when they fail, set up as code.

Since 2021

Free plan · Uptime and monitoring · Developers

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Monitors website uptime from several countries, tries automatic recovery, and calls or texts you if the problem stays.

Subscription · Uptime and monitoring

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A forward and reverse geocoding API built on open data, with flat monthly or one-time plans for developers.

One-off payment · Developer tools · 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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Hosted status pages with built-in uptime checks, so you can keep customers informed during outages and cut support tickets.

Free plan · Uptime and monitoring · Software companies

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Tells developers when scheduled jobs, agents, websites or APIs fail or run late, and hosts status pages for customers.

Free plan · Uptime and monitoring · Developers

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Monitors websites and Linux servers, sends alerts by email, SMS or call, and hosts branded status pages on your domain.

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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A forward and reverse geocoding API with 2,500 free requests a day, offered as a cheaper option than Google geocoding.

Free plan · Developer tools · Developers

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Gathers status updates from thousands of cloud services you depend on, warns you about outages and shows them on one page.

Uptime and monitoring · Software companies

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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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A free status page you host yourself to tell customers about outages, incidents and planned maintenance.

Free · Uptime and monitoring · Software companies

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Checks websites, APIs and cron jobs every 30 seconds and confirms an outage before alerting your team.

Subscription · Uptime and monitoring · Developers

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Checks your websites, SSL certificates, DNS and domains every 30 seconds and alerts you when something breaks or expires.

Free plan · Uptime and monitoring · Agencies

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Sets up and manages your web servers and handles site deployments, with extra help for Laravel apps.

Subscription · Developer tools · Agencies

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Alerts you when a cron job misses its ping or a site, certificate or domain has a problem, with status pages included.

Free plan · Uptime and monitoring · Agencies

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Watches the status pages of thousands of outside services and alerts you when the ones you depend on go down.

Since 2024

Free plan · Uptime and monitoring · Developers

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Location APIs for developers covering map tiles, address lookup, route planning and place search, based on open data.

Developer tools · Developers

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Monitors websites, servers, cron jobs, DNS records and SSL certificates, with alerts and public status pages.

Since 2024

Free plan · Uptime and monitoring · Developers

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A status page and endpoint monitor you install on your own server, with incident updates by email and Slack.

Free · Uptime and monitoring · Developers

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Checks your websites, APIs and ports and messages you on WhatsApp after repeated failures, with status pages and SSL checks.

Free plan · Uptime and monitoring · Developers

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A geocoding, place search and map tile API for developers, built on OpenStreetMap with a daily free allowance.

Free plan · Developer tools · Developers

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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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Open source uptime checks, alerts and public status pages that you or an AI agent can manage, with no charge per monitor.

Free plan · Uptime and monitoring · Developers

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Self-hosted uptime checks from probes in several regions that agree before alerting, plus status pages for small teams.

Free · Uptime and monitoring · Developers

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A managed API for geocoding, address autocomplete and reverse lookups on open data, with a free monthly allowance.

Free plan · Developer tools · Developers

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Geocoding, map tile and routing APIs for developers who want a cheaper option than Google Maps for their sites and apps.

Free plan · Developer tools · Developers

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An API that adds Australian address autocomplete, validation and geocoding to apps, built on official GNAF data.

Since 2026

Subscription · Developer tools · Developers

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Uptime checks for sites, APIs, databases and queues you run on your own server, with alerts and public status pages.

Free · 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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Catches missed cron runs, stalled background jobs and site downtime through heartbeat pings, with public status pages.

Free plan · Uptime and monitoring · Developers

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A WordPress plugin for adding maps with pins, routes and shapes to your site, using OpenStreetMap or other map providers.

Free trial · Website builders

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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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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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Scans your site to suggest checks for SSL, DNS and outside services like payment providers, then monitors them with status pages.

Free plan · Uptime and monitoring · Online sellers

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Hosted directions, distance matrix and route optimisation APIs built on open engines, billed at a fixed monthly rate.

Since 2026

Free plan · Developer tools · Developers

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A free status page and uptime monitor you run in Docker, with incident updates, maintenance plans and subscriber notices.

Free · Uptime and monitoring · Developers

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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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Spots DDoS attacks on your servers within a second and triggers firewall, BGP or scrubbing responses.

Since 2026

Subscription · Uptime and monitoring · Developers