No moat. Still in business.

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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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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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Free offline Mac app to open, read and edit Markdown files, with a table of contents and AI review notes.

Free · Notes and knowledge · Individuals and families

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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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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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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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Website analytics that stores no personal data so no consent banner is needed, with carbon estimates and AI agent access.

Free plan · Website analytics

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An AI assistant that picks up missed calls, filters spam and phones businesses for you to book or wait on hold.

Since 2024

Subscription · Focus and productivity · Individuals and families

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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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Mac app that logs which apps, sites and documents you use, then helps you turn that into billable time entries.

Free trial · Time tracking · Individuals and families

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Free open source desktop tool that plots millions of table rows visually so analysts can spot outliers and odd patterns.

Since 2024

Free · Data and spreadsheets

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Keyword research, backlink checks, rank tracking and site audits paid per use, self-hostable and usable from AI agents.

Pay as you go · SEO

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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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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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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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Search and download SVG and PNG icons from hundreds of open icon sets in one place, also from Chrome or VS Code.

Design and images · Creators and writers

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Desktop app for Mac and Windows that stores your SVG icon sets, searches open icon libraries offline and exports them as code.

Free trial · Design and images · 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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API that sends a bot into Meet, Teams or Zoom calls and streams speaker-labelled transcripts, self-hosted or in their cloud.

Since 2024

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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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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Desktop scratchpad that runs JavaScript as you type, with Node, browser APIs and npm packages, for developers testing ideas.

Since 2024

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

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

Free · Developer tools · Developers

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Clipboard history for Apple devices that keeps everything you copy searchable, syncs it through iCloud and feeds it to AI coding tools.

Free trial · Focus and productivity · Individuals and families

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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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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 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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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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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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Shows where GitHub Actions minutes and money go by repo, workflow and step, and flags slow or failing runs to fix.

Since 2025

Free plan · Uptime and monitoring · Developers

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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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Run Claude, Codex, Gemini and other coding agents from desktop or phone with encrypted sync, on your existing subscriptions.

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

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Gives AI coding agents and developers isolated full-stack environments on your own Kubernetes setup to test code against real services.

Since 2025

Free plan · Developer tools · Developers

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Click elements in a running React app to change layout, styles and text, with edits written back to your source.

Since 2025

Free plan · Design and images · Developers

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Mac app that shows which Git worktrees your coding agents are using, which are merged, and cleans up finished ones.

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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A Chrome extension that lets Claude Code, Cursor and other AI apps work in your signed-in browser tabs while you watch.

Since 2025

Developer tools · Developers

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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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Lets ChatGPT, Claude and other AI chat apps read files and run commands on your own machine or server.

Since 2025

Free plan · Developer tools · Individuals and families

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A Mac terminal app with split panes, file previews, local autocomplete and a view of running AI coding agent sessions.

Free · Developer tools · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

Developer tools · Developers

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Local Mac and Windows tool to list, test and switch the MCP servers configured in Codex, VS Code, Cursor and Claude.

Free · Developer tools · Developers

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An MCP service that feeds coding agents like Claude Code and Cursor the right docs and code context while using fewer tokens.

Since 2025

Developer tools · Developers