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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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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Sends an email or Slack message whenever your brand or chosen keywords show up in Hacker News, Reddit or Lobsters posts.

Since 2017

Free plan · Marketing and social

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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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Website analytics that shows which traffic sources bring paying customers, for founders and small online businesses.

Subscription · Website analytics · Online sellers

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An SMTP relay and email API for sending transactional and marketing mail from apps, with searchable delivery logs.

Free plan · Transactional email · Developers

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Visual canvas where teams arrange repos, notes, links and people for a project and work on it together live.

Projects and tasks · Software companies

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SEO agent for founders that reads your Search Console data, plans topic clusters and drafts articles straight into your CMS.

Since 2024

Free plan · SEO

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Billing software for hosting firms that sells domains, hosting and SSL, sets up services and sends the invoices.

Subscription · Invoicing and billing · Software companies

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Shows B2B sellers which companies visit their website and what interests them, so sales can follow up early.

Free trial · CRM and sales · Agencies

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Checks comments before they post and tells commenters how to fix rude or off-topic ones, for sites running discussions.

Communities and memberships · Creators and writers

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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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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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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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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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Connects to your SaaS tools to handle staff access requests, reviews and removals, with an agent doing the routine work.

Since 2024

Security and passwords · Software companies

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An API and plugin that flags throwaway email domains at signup so fake accounts never get in.

Free plan · Security and passwords · 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.

Since 2024Updated 4 months ago

Subscription · Uptime and monitoring · Developers

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AI agents that test your web or mobile app like a user on each pull request and report what broke.

Since 2024

Free plan · Developer tools · Developers

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Open-source error tracker that ranks frontend bugs from errors and session replays and opens fix pull requests on GitHub.

Since 2024

Uptime and monitoring · 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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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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Self-hosted pastebin where every code snippet is a Git repo, for developers and teams who want their own Gist.

Free · 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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Translates software interfaces with AI, syncs translation files through Git and lets teammates review wording.

Since 2024

Free trial · Developer tools · Software companies

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

Since 2024

Subscription · Uptime and monitoring · Agencies

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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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Posts a Slack alert when Apple or Google approves or rejects your app, or a TestFlight build is ready.

Since 2023

Subscription · Uptime and monitoring · 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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Saves every prompt, session and tool call from your coding agents in one place so teams can search and share them.

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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Pull request stats, DORA dashboards, daily summaries and custom alerts built from a team's GitHub activity.

Subscription · Developer tools · Developers

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Builds, tests and deploys code on Windows, Linux and macOS machines, hosted or on your own server.

Free plan · Developer tools · Developers

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Gives local dev servers a stable public URL for testing webhooks and OAuth or sharing previews, with flat seat pricing.

Since 2023

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

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Shows live sales, sign-ups, reviews and visitor counts as small notifications on your site to build buyer trust.

Subscription · Marketing and social · Online sellers

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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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Records visitor sessions on your site and uses AI to point out errors, rage clicks and drop-offs, alongside heatmaps.

Free plan · Website analytics

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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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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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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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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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Watches your SSL certificates and sends alerts well before they expire, with automatic host discovery.

Since 2022

Free plan · Uptime and monitoring · Developers

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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