No moat. Still in business.

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An API that returns location, ASN, carrier and privacy details for any IP address, for developers and security teams.

Since 2014

Free plan · Developer tools · Developers

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An API that returns live flight prices and airline booking links for developers building travel search or price alerts.

Since 2015

Free plan · Developer tools · Developers

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A hosted NoSQL database that gives you a REST API and admin screens for your data straight away.

Since 2016

Free plan · Developer tools · Developers

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An API for adding license keys, device activation and secure update delivery to desktop and on-premise software.

Since 2016

Developer tools · Developers

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Hosts apps, databases and AI models on isolated AWS setups with HIPAA controls built in, for digital health teams.

Since 2014

Developer tools · Health and clinics

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Shrinks JPG, PNG, WebP and other images through a web tool, API or CMS plugins so websites load faster.

Since 2013

Free plan · Design and images · Agencies

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A gateway that checks AI model requests and agent tool calls for risks like prompt injection and logs evidence for teams shipping AI.

Since 2013

Free plan · Security and passwords · Developers

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Scans code for quality issues, security flaws and AI coding policy breaks across a team's repositories, with automated review.

Since 2012

Free trial · Developer tools · Developers

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A shared POSIX file system for Linux and Mac servers that stores its data in S3 or other object storage, with no storage cluster to run.

Since 2015

Subscription · Developer tools · Developers

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Point your website's HTML form at this service to store submissions, filter spam and send them to email or other apps.

Since 2014

Free plan · Forms and surveys · Agencies

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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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APIs and an MCP server that fetch link previews, page metadata, screenshots and clean Markdown from any URL.

Since 2014

Free plan · Developer tools · Developers

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An API that converts HTML pages and URLs into PDF files for developers building apps.

Since 2015

Free plan · Documents and e-signature · Developers

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Translates websites, web apps and documents with machine and human translation, without managing translation files.

Since 2015

Website builders · Online sellers

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Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.

Since 2016

Uptime and monitoring · Developers

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APIs that turn public web pages into structured data, with crawling, web search and a knowledge graph for AI builders.

Since 2011

Developer tools · Developers

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Write JavaScript or Python functions in the browser and publish them as API endpoints in one click.

Since 2021

Free plan · Developer tools · Developers

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Desktop app that lets developers capture, inspect, edit and mock HTTP and HTTPS traffic for debugging and testing.

Since 2019

Developer tools · Developers

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A hosted headless CMS that lets editors manage structured content and developers pull it in through a GraphQL API.

Since 2017

Subscription · Website builders · Agencies

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Forwards mail sent to any address on your own domain to your inbox, with an API for apps that receive email.

Since 2021

Subscription · Transactional email

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A hosted API for product teams to send app notifications over email, SMS, push, chat and an in app inbox.

Since 2020

Free plan · Transactional email · Developers

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A service catalog and scorecard tool that helps engineering leaders track ownership, standards and delivery across their services.

Since 2019

Developer tools · Software companies

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A server you run yourself that resizes and converts images on the fly from URL options, for web teams.

Since 2019

Free · Developer tools · Developers

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Builds architecture diagrams and system maps from prompts, code, cloud setups or docs, aimed at engineering teams.

Since 2021

Free plan · Design and images · Developers

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Desktop app for developers to browse, edit, query, import and export Firebase Firestore data on Mac, Windows or Linux.

Since 2021

Subscription · Developer tools · Developers

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Always-on profiling of CPU, GPU and memory in production so engineers can find slow code and cut server costs.

Since 2021

Free trial · Uptime and monitoring · Developers

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Desktop and web client for querying and editing SQL and NoSQL databases such as PostgreSQL, MySQL and MongoDB.

Since 2021

Free · Developer tools · Developers

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Deploys each labelled GitHub pull request as a live preview environment on your own Lightsail or Hetzner servers.

Since 2020

Developer tools · Developers

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Gives a public web address to a server running on your own machine over SSH, for developers testing webhooks and demos.

Since 2017

Free plan · Developer tools · Developers

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Fires webhooks once or on a cron schedule in your timezone and alerts you when a call fails.

Since 2019

Free plan · Developer tools · Developers

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Open-source admin panel you point at your app's database to edit records, run custom actions and build SQL reports.

Since 2021

Developer tools · Developers

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A Windows app that captures and replays HTTP, WebSocket and gRPC traffic from any program without proxy setup.

Since 2019

One-off payment · Developer tools · Developers

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Browser extension for web developers that reveals an element's styles on hover and copies all its CSS at once.

Since 2019

One-off payment · Design and images · Developers

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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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Desktop app for querying and managing MySQL, Postgres, SQLite and many other databases, with paid team features.

Since 2020

Free plan · Developer tools · Developers

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Sends engineering teams a daily summary of AWS and Azure spending changes by Slack, Teams or email.

Since 2018

Subscription · Uptime and monitoring · Developers

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Type a short text description and get flowcharts, UML or ER diagrams back, with no need for the mouse.

Since 2021

Free plan · Design and images · Developers

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A service that finds and quarantines flaky tests, skips unneeded CI jobs and runs a merge queue for software teams on GitHub.

Since 2021

Developer tools · Developers

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Coordinates and automates mobile app releases for iOS and Android teams, from release trains to staged rollouts.

Since 2021

Developer tools · Developers

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Builds iOS and Android apps straight from Figma designs, producing React Native code that designers can ship to app stores.

Since 2019

Free plan · Design and images · Agencies

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Connect to your Windows, Mac or Linux machines over RDP or VNC from any browser, with nothing to install.

Since 2018

Subscription · Developer tools

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Cloud service for deploying, updating and monitoring fleets of Linux IoT devices using containers.

Since 2020

Free plan · Developer tools · Developers

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Lets developers and their coding agents see the DOM, console and network of web pages on real iPhones and Android phones.

Since 2020

Free plan · Developer tools · Developers

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Lets teammates start assigned cloud VMs and sets off-hours schedules across Azure, AWS and Google Cloud.

Since 2017

Pay as you go · Developer tools · Developers

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Calibrates cameras, LiDAR, radar and IMUs together for robotics and autonomy teams, with a quality report each run.

Since 2021

Subscription · Developer tools · Developers

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One API that lets software companies read and write employer payroll, HR and benefits data across 250+ systems.

Since 2017

Payroll and HR · Software companies

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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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Runs Claude Code and Codex jobs in parallel inside isolated containers, locally or on cloud runners, with memory shared across them.

Since 2018

Free plan · Developer tools · Developers