No moat. Still in business.

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

Developer tools · Developers

0

Self-hosted on-call paging that pulls commits, logs and metrics when an alert fires and explains the likely cause.

Free · Uptime and monitoring · 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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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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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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Shows automated test results in one dashboard and keeps manual test cases as files in GitHub.

Free trial · Developer tools · Developers

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Open-source AI analyst for data teams that links any LLM to company data and answers questions in a web app or Slack.

Data and spreadsheets

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A free workspace for running AI coding agents in isolated Git worktrees on your laptop or a remote server.

Free · Developer tools · Developers

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Lets coding agents and CI jobs upload screenshots and reports and post them in one updating comment on a GitHub pull request.

Since 2026

Free plan · Developer tools · Developers

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Cheaper hosted runners for GitHub Actions on private repos, billed per second, set up by changing one line of the workflow.

Since 2026

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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Keeps documentation in GitHub repos in step with the code and shares that context with teammates and AI coding agents.

Since 2026

Free plan · 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

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Uses AI to rate each merged pull request by the engineering effort involved, so teams can track output over time.

Since 2026

Free · Developer tools · Developers

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One OpenAI-compatible API key to call 120 AI models, with a per-request cost receipt, for developers.

Free plan · Developer tools · Developers

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Runs several AI reviewers on each GitHub pull request, drops noisy findings and posts a single review.

Free plan · Developer tools · Developers

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Widget for your web app that lets users send annotated screenshots plus console and network logs as bug reports.

Free plan · Developer tools · Developers

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Platform for AI teams to trace, simulate and evaluate their LLM agents and keep track of model spend.

Uptime and monitoring · Developers

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Local open source check that tests pull requests written by AI agents and flags removed tests, relaxed CI and faked results.

Free plan · Developer tools · Developers

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Preview and debug ZPL thermal printer labels in the browser, make barcodes and render labels through an API.

Free plan · Inventory and stock · Shops and retail

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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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AI agents map your codebase, turn product specs into tickets and build them test-first, with a human approving each step.

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.

Free plan · Developer tools · Developers

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A Mac and web app for triaging and planning GitHub Issues and Projects from the keyboard, which AI agents can use as well.

Free plan · Projects and tasks · 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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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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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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Gives developers a unique URL to capture and inspect incoming webhook requests live in the browser.

Free plan · Developer tools · Developers

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Turns a feature idea into a reviewed, approved build plan, then has an agent code it and open pull requests for sign-off.

Free plan · Developer tools · 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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Compares screenshots from your test runs so software teams can spot visual changes and approve them before merging.

Free plan · Developer tools · Developers

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Opens pull requests that upgrade dependencies, patch known vulnerabilities, fix broken CI and add tests across your repos.

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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Cloud coding agents take a task, change code across repos, fix failing CI and hand back a pull request with a live preview.

Free plan · 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 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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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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Watches your AI agent's real traffic, finds where it fails customers and opens tested pull requests with fixes.

Since 2026

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

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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Screenshots UI changes in pull requests and uses an AI judge to separate intended changes from regressions.

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

Subscription · Developer tools · Developers