No moat. Still in business.

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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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Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.

Since 2021

Developer tools · Developers

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Library of recorded iOS app screens, onboarding and paywalls that app teams and their AI agents can search.

Since 2018

Design and images · Developers

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Holds copies of your software's source code and SaaS setup in escrow so customers can recover them if the vendor fails.

Since 2017

Subscription · Security and passwords · Software companies

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Collects TODO comments from your Git repos so a team can browse and track pending code work.

Free plan · Projects and tasks · Developers

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Audits your web pages for usability, copy, SEO and broken features, pinning each issue on screen with suggested fixes.

Since 2023

Free plan · Website builders

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Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.

Notes and knowledge · Developers

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API that fetches Google results and answers from ChatGPT, Gemini and others as clean data, for SEO tracking.

Since 2025

Subscription · SEO · Agencies

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Tracks how eight AI chatbots mention your brand and competitors, then ships fixes to your site and ties AI visits to revenue.

Since 2025

Free trial · Website analytics · Online sellers

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Finds posts on X, Reddit, GitHub, LinkedIn and Discourse from people seeking what you offer, then drafts a reply for each one.

Subscription · CRM and sales · Agencies

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A feature request board and public roadmap you embed with one script, where users vote without needing an account.

Free plan · Customer support · Developers

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Lets AI agents send, receive and reply to email in threads over an API or MCP, with usage limits and approvals.

Free plan · Transactional email · 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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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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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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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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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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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

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Runs coding agents in managed cloud machines for code review, bug fixes and background tasks, set up in YAML.

Since 2024

Developer tools · Developers

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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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Build and debug CI pipelines as a node graph instead of YAML, then run them on your own machines or in the cloud.

Since 2024

Free plan · Developer tools · Developers

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Feature flags for gradual rollouts that open a pull request to remove each flag from your code once it is done.

Free plan · Developer tools · Developers

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Runs Terraform and OpenTofu plans on every pull request, checking policy and approvals before changes are applied.

Free plan · Developer tools · Developers

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An API that captures any web page as an image, PDF or markdown, with banner blocking and choice of country, for developers.

Free plan · Developer tools · Developers

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Sorts, filters and archives your GitHub notifications so developers can keep track of issues and pull requests outside email.

Free plan · Developer tools · Developers

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Runs performance benchmarks in your CI and flags slowdowns on each pull request, for software teams.

Since 2023

Free plan · Developer tools · Developers

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Checks code written by AI coding agents for security flaws and team standards, in pull requests and inside the editor.

Free plan · Security and passwords · Developers

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Lets developers and coding agents run local code against a real Kubernetes staging cluster, plus CI runs and PR previews.

Since 2022

Free plan · Developer tools · Developers

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Runs coding agents inside your team's own workflows, turning tickets into pull requests you review, on their cloud or yours.

Developer tools · Developers

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A localization platform that keeps product wording consistent across languages using glossaries, translation memory and an AI translator.

Developer tools · Developers

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Hosted service that receives, logs and retries webhooks, with a CLI for local testing and a typed SDK.

Since 2024

Developer tools · Developers

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Logs errors from .NET and JavaScript apps, checks site uptime and scheduled jobs, and notifies your team in chat or email.

Free trial · Uptime and monitoring · Developers

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AI agent that writes code inside VS Code, JetBrains, the terminal or browser, open source, with hundreds of models at no markup.

Free plan · Developer tools · Developers

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A web translation editor for software teams that syncs app strings, auto-translates and hosts translation files on a CDN.

Free trial · Developer tools · Developers

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Adds AI translations to your app's language files on each pull request, so the team can review and edit them before merge.

Free trial · Developer tools · Developers

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Lets SaaS teams record browser tests without code and run them in the cloud or CI before each release.

Free plan · Developer tools · Software companies

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Deploys web3 app frontends from GitHub to decentralized hosting, with DNS monitoring and protection against frontend attacks.

Free plan · Website builders · Developers

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Hosts apps from Git on European servers and adds user login through a hosted OAuth and OpenID Connect server.

Free plan · Security and passwords · Developers

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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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A GitHub app that runs AI agents in GitHub Actions to review pull requests, triage issues and fix failing CI.

Free plan · Developer tools · Developers

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Replaces Git submodules by syncing folders in one repository with other repositories on the server side.

Since 2022

Developer tools · Developers

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Security teams build automated response workflows and agents, and track incidents as cases, self-hosted or managed.

Security and passwords · Software companies

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A keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.

Developer tools · Developers

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Hosted backend that takes in webhooks from Stripe, Shopify and others, stores them and runs your code with queues, cron and retries.

Since 2024

Free plan · Developer tools · Developers

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CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.

Free plan · Security and passwords

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A snippet library for developers and teams to save, label and share code, with plugins for editors, browsers and Slack.

Developer tools · Developers

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Checks JavaScript and TypeScript code for runtime bugs and quality problems that ordinary linters miss.

Free plan · Developer tools · Developers

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Continuous integration and delivery service that runs builds and tests for software teams, billed by usage.

Pay as you go · Developer tools · Developers