No moat. Still in business.

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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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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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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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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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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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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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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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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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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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Self-hosted platform for deploying web apps, static sites, databases and cron jobs from GitHub or GitLab.

Free · Developer tools · Developers

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Lets developers send templated email from browser or app code through their own mail provider, without writing a server.

Free plan · Transactional email · 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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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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Runs CI jobs from GitHub and GitLab on hosted machines in the EU, billing only for the CPU and memory each job actually uses.

Free plan · 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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Hosting for developers that deploys Dockerfiles or images as apps, workers, cron jobs and databases on a private network.

Since 2024

Free plan · Developer tools · Developers

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Build your own RSS feed of new releases from GitHub, GitLab, NPM and Packagist projects you depend on.

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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Test management for QA teams that tracks manual test cases, automated runs and exploratory sessions in one place.

Since 2022

Free trial · Projects and tasks · 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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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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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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Checks single addresses or whole lists for syntax, mail server and mailbox problems, by upload or API, with an email finder too.

Free plan · Email marketing

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A Mac app for Git that lets developers commit, browse history and script repository actions with GitHub and GitLab built in.

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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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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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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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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Writes pull request descriptions and team change summaries from your code diffs in GitHub and GitLab.

Free plan · Developer tools · Developers

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Gives AI assistants and agents authenticated access to over 1,500 apps so they can take actions, with a managed MCP gateway.

Pay as you go · Developer tools · Developers

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An open-source AI coding agent that plans and makes code changes, used from your editor, a desktop app or the terminal.

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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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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Share iOS, Android and Windows test builds with testers and teammates, manage environments and collect early feedback.

Subscription · Developer tools · Agencies

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Tracks token use and spend across AI coding tools like Claude Code and Cursor, broken down by model, project and pull request.

Free · Developer tools · Developers

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Draw system or process diagrams that viewers click through one step at a time, then share or embed them on any site.

Since 2026

Free plan · Design and images · Developers

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Keeps an ML project's decisions, evidence and next steps in a brief that Claude, ChatGPT or Cursor can load and update.

Since 2026

Free plan · Developer tools · Developers

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A simple translation tool for app, site and game text, with AI translation, team roles and Git and Figma syncing.

Since 2025

Developer tools · Developers

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Mac app for developers using several terminal coding assistants: talk to each in one window and return to any running session.

Since 2026

Free plan · Developer tools · Developers

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A hosted MCP server and REST API that gives Claude, ChatGPT or Cursor your Search Console data, SERPs and keyword volumes.

Since 2026

Free plan · SEO

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A hosted backend and SDK so developers can add LLM chat to client apps using their own provider keys, with no server code.

Since 2025

Developer tools · Developers

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Hosted service that runs multi-step AI pipelines calling your own backend and streams progress to users.

Since 2026

Free plan · Developer tools · Developers

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Serves Apple developer documentation as Markdown so coding assistants can read it, by URL swap or over MCP.

Free · Developer tools · Developers

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Lets AI assistants and developers grab clean web page screenshots from 227 countries through MCP, a CLI or a REST API.

Free plan · Developer tools · Agencies

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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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Runs a team of coding agents like Claude Code and Codex in separate cloud sandboxes that you can manage together

Since 2025

Developer tools · Developers