No moat. Still in business.

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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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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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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 light self-hosted Git server with a web interface that runs as one binary or Docker container on small machines.

Free · Developer tools · Developers

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Starts GitHub Actions runners on demand in your own cloud account, including GPU, ARM and macOS machines.

Pay as you go · Developer tools · Developers

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Self-hosted platform for managing Git, Subversion and Mercurial repos with shared code review and permissions.

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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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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Publishes static sites by drag and drop or through an AI agent, with custom domains, HTTPS and one-click version restore.

Free plan · Website builders · Individuals and families

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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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Mac editor where you write what to build, agents comment and explore options, then build the chosen one as a pull request.

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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VS Code extension where an AI agent takes a bug description, edits a copy of your JS or TS repo and tests the fix.

Developer tools · Developers

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Runs GitHub Actions jobs on cheap spot machines in your own AWS account, set up from one CloudFormation stack.

Since 2024

Subscription · 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

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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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Native Mac code editor for web and app developers, with Git, debugging, terminal and remote file publishing.

Free trial · Developer tools · Freelancers

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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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A Mac app for comparing text, images and folders and resolving Git merge conflicts, for developers and designers.

Subscription · 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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A Mac app for comparing Git commits and branches, tracing file history and resolving merge conflicts.

Since 2023

One-off payment · Developer tools · Developers

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Open source AI helper for coding in VS Code and JetBrains, offering chat, edits, autocomplete and agent tasks.

Since 2023

Developer tools · Developers

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Test AI agents against large sets of simulated scenarios, trace runs and compare model results before shipping.

Since 2025

Developer tools · Developers

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A Mac menu bar app that stops your laptop sleeping while Claude Code or Codex runs and alerts you when a task finishes.

Since 2026

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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Collects Playwright test runs from CI so teams can debug failures, spot flaky tests and track suite health.

Since 2026

Subscription · Developer tools · Developers

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Offline Windows app for developers that gathers .http and .rest request files from their projects and lets them run and check each call.

Since 2026

One-off payment · Developer tools · Developers

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Fast desktop Git client with line-level staging, structural diffs and drag-to-rewrite history.

Since 2026

Free · Developer tools · Developers

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Records program execution so developers can replay and step back through bugs in the IDE, CI and code review.

Since 2025

Free plan · Developer tools · Developers

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Shows where and how React components are used across your repos, so design system teams can track adoption.

Since 2025

Developer tools · Developers

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Open-source API client that keeps collections as local files synced through Git, for testing REST and WebSocket APIs offline.

Free plan · Developer tools · Developers

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An offline desktop app for designing, testing and documenting APIs as Markdown files kept in your Git repo.

Since 2025

Developer tools · Developers

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Alerts you when AI agent runs, cron jobs or CI pipelines fail, stall or never start, with status pages.

Free plan · Uptime and monitoring · Developers

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A VS Code extension that has your AI agent write step-by-step tours of a codebase to help new engineers get up to speed.

Since 2025

Free plan · Developer tools · Developers

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Git hosting with issues, pull requests and code review that promises never to train AI on your code.

Since 2026

Free plan · Developer tools · Developers

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An AI agent for on-call engineers that triages alerts, finds the root cause and proposes code fixes with reproduction tests.

Since 2026

Uptime and monitoring · Developers

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Paste Mermaid, PlantUML or draw.io source and get a cleaner laid-out diagram to export as SVG or PNG.

Since 2026

Free plan · Design and images · Developers

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Turns prompts into editable Python for mesh modelling, simulation setup and 3D printing, with shareable 3D results.

Since 2025

Free plan · Design and images · Manufacturing

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A CI step for GitHub or GitLab that stops a production deploy unless the commit has a signed approval, for teams with a sign off process.

Since 2026

Free plan · Developer tools · Developers

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A desktop app for sending and testing REST, GraphQL, gRPC and WebSocket requests, stored locally and synced through Git.

Since 2025

Subscription · Developer tools · 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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Version control for teams using coding agents, with lazy repo mounts, a branch per task and fast snapshots.

Since 2026

Developer tools · Developers

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Hosted service that gives each AI agent its own inbox, phone number, storage and 2FA on domains kept for your project.

Since 2026

Subscription · Developer tools · Developers

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Checks each tool call from AI coding agents against your rules and blocks or rewrites risky ones before they run.

Since 2026

Subscription · Security and passwords · Developers

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A kanban board that shows what each AI coding agent is doing and alerts you when one needs your input.

Since 2026

Free plan · Projects and tasks · Developers

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Runs coding agents on your own machine with your model keys, re-running tests before each pull request and keeping lessons.

Since 2026

Free plan · Developer tools · Developers