No moat. Still in business.

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Scans code for quality issues, security flaws and AI coding policy breaks across a team's repositories, with automated review.

Since 2012

Free trial · Developer tools · Developers

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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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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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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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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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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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Hosted Beancount books kept in Git, with bank imports and receipt inboxes, for people and small businesses tracking money.

Since 2022

Bookkeeping and accounting · 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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Audits your web pages for usability, copy, SEO and broken features, pinning each issue on screen with suggested fixes.

Since 2023

Free plan · Website builders

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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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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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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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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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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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Runs browser and API checks against your app from many regions and alerts you when they fail, set up as code.

Since 2021

Free plan · Uptime and monitoring · 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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A coding environment for developers to run several AI agents at once and review the code changes they make.

Since 2023

Subscription · Developer tools · 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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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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Mac app that opens a floating note on a shortcut so you can jot a thought, saved as a local markdown file.

Free · Notes and knowledge · Individuals and families

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A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

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

Free · Developer tools · Developers

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An open-source Mac and iPhone notes app that keeps Markdown as plain files, syncs over iCloud and backs up to Git.

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

Free · 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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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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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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One shared store of plans, rules and research that your and your team's AI agents can all read and update.

Since 2026

Free plan · Notes and knowledge

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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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Offline voice typing, call recording with speaker labels and audio file transcription on a Mac, ready to paste into AI coding tools.

Free · Focus and productivity · Individuals and families

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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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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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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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Shared canvas where your team and coding agents build clickable React prototypes, wireframes and slide decks.

Since 2026

Free plan · Design and images · Agencies