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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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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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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Reads your GitHub commits and drafts build in public posts for X, LinkedIn, Reddit and Hacker News.

Since 2026

Free plan · Marketing and social · Creators and writers

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A web file manager that puts one interface over S3, SFTP, SMB and other storage so teams can browse and share files.

Documents and e-signature

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Real-time US stock, ETF and options data through an API or Google Sheets formulas, for traders and developers.

Free plan · Data and spreadsheets · Individuals and families

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A Mac app that fixes English grammar and tone as you type in any app and explains each fix in your own language.

Since 2026

Free plan · Something else · Individuals and families

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Timesheets that turn team hours into cost data for billing, capitalisation, R&D and grant reports.

Subscription · Time tracking

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Gathers customer feedback from Slack, email and a widget into one ranked list with voting and a public roadmap for SaaS teams.

Since 2026

Subscription · Customer support · Software companies

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Connects Claude and ChatGPT to tools like Search Console, Google Ads and your own APIs, with per-person logins and call logs.

Since 2026

Free plan · Automation and integrations

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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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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-hostable alternative to Vercel and Netlify for deploying web apps, with previews, environments and logs.

Free plan · 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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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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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 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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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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Developers can mock or proxy HTTP endpoints at shareable public URLs to test against APIs that are not finished yet.

Free · 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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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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Secrets manager that lets dev teams and AI agents store, sync and deploy app keys and env variables across environments.

Security and passwords · 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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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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Tracks test coverage over time for your repos and flags untested code, free for open source projects.

Free plan · Developer tools · Developers

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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · Developer tools · Developers

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Watches GitHub, npm, PyPI, Docker Hub and other sources and tells you when projects you follow ship a new version.

Developer tools · Developers

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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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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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A code review tool that explains changes made by coding agents as a story, with threaded questions for developer teams.

Since 2026

Developer tools · Developers

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Project tracking on a user story map for software teams that ship continuously, with flow metrics and a CI monitor.

Since 2026

Free plan · Projects and tasks · Software companies

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A GitHub App that alerts teams to risky events in their organisation, such as new admins, force pushes or leaked secrets.

Since 2026

Subscription · Security and passwords · Developers

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For developers: pulls crash reports out of Sentry or PostHog, drafts a fix in your own GitHub Actions with your AI key, and opens a PR.

Since 2026

Free plan · Developer tools · Developers

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An API that scans documents for text hidden from readers but visible to AI models, and returns findings and clean text.

Since 2026

Free plan · Security and passwords · Developers

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An AI on-call helper that looks through logs, metrics and code to find why production broke and suggest fixes.

Since 2026

Free plan · Uptime and monitoring · Developers

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A Windows app that runs several AI coding agents as planner, coders, tester and reviewer on a shared board you control.

Since 2026

Free · Developer tools · Developers

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A desktop and phone app to drive coding agents like Claude Code and Codex from one place using your own subscription.

Developer tools · Developers

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Gives you one fixed webhook URL that forwards Stripe and Paddle events to whichever branch deployment you are testing.

Since 2026

Free plan · Developer tools · Developers

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Independent hosted git service with merge requests, CI runners, a container registry and AI code review for dev teams.

Since 2026

Free plan · Developer tools · Developers

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Runs fast-booting microVM sandboxes, throwaway Postgres databases and app deploys for teams building AI agents.

Free plan · Developer tools · Developers

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An iPhone app with a coding agent that builds websites, scripts and Swift apps using free ad-funded AI models.

Since 2026

Free · Developer tools · Individuals and families

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A hosted portal that joins your MCP servers into one endpoint with OAuth, so AI agents load far fewer tool definitions.

Since 2026

Free plan · Developer tools · Developers