No moat. Still in business.

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Notes app for developers and ops engineers where shell, code, SQL and prompt blocks in Markdown run in place and print results below.

Since 2026

Free · Developer tools · Developers

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Drop in papers, notes and transcripts and an AI agent files them into a cited, linked markdown wiki you keep.

Notes and knowledge · Individuals and families

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A small app that slides in from the screen edge so you can jot notes and tasks and plan your day without switching apps.

Projects and tasks · Individuals and families

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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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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 keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.

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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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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A light code hosting forge with repos, issues and pull requests that teams run on their own server.

Free · Developer tools · Developers

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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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Code review tool that splits pull requests into ordered chapters so reviewers follow changes faster.

Since 2026

Subscription · Developer tools · Developers

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Builds your app on every pull request, tests the affected user journeys and posts videos of any bugs it finds.

Since 2025

Developer tools · Developers

0

Reviews pull requests against your own policies and docs, citing each finding and offering checked one-click fixes.

Free plan · Developer tools · Developers

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A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.

Subscription · Notes and knowledge · Developers

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A Mac app that runs several AI coding agents side by side in separate clones and chains them to plan, build, review and test.

Free · Developer tools · Developers

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Stores the reasoning from AI coding chats with each git commit and posts it to pull requests for team review.

Free plan · Developer tools · Developers

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Mac app that runs Claude Code, Codex and other coding agents side by side in separate git worktrees, with a second agent reviewing diffs.

Since 2026

Free · Developer tools · Developers

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A shared workspace where teams run Claude Code, Codex and other coding agents on tasks, scheduled bots and reviewed pull requests.

Free plan · 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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Hosted blog service where you write in Markdown or HTML, add your own CSS and JavaScript, and publish under your own domain.

Since 2026

Website builders · Individuals and families

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Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.

Developer tools · Developers

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Daily notes app that puts project notes, tasks, Apple Calendar events and Reminders side by side for planning each day.

Since 2020

Subscription · Notes and knowledge · Individuals and families

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A self-hosted knowledge base that serves Markdown files as searchable, editable docs for teams.

Free · Notes and knowledge

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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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Paste code to get a score and a list of security and quality problems, with the option to hire a human reviewer.

Free plan · Security and passwords · Freelancers

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A coding agent app that works out a spec with you first, then writes, checks and hands back code for approval.

Developer tools · Developers

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Small text app for jotting and keeping short notes, synced via iCloud to iPhone, iPad, Watch and Mac.

Notes and knowledge · Individuals and families

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Edit HTML and Markdown files stored in Google Drive and put them on a public web address in one step.

Since 2026

Free plan · Website builders

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Shared IDE and cloud where engineering teams run coding agents and review their plans and diffs together.

Since 2026

Subscription · Developer tools · Developers

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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.

Free · Developer tools · Developers

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A self-hosted place to jot quick markdown notes in a personal timeline, keeping each private or shared.

Notes and knowledge · Individuals and families

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A Mac notes app that keeps notes as plain Markdown text files in folders you choose, with links between notes.

Free · Notes and knowledge · Individuals and families

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A Mac menubar app that lists your GitHub and GitLab pull requests and gives you a workspace to review them.

Free plan · Developer tools · Developers

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A shared Markdown editor where teams and coding agents write documents and build small internal tools stored in git.

Developer tools · Developers

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A set of AI agents that turn customer requests into tickets, code changes and reviewed pull requests for software teams.

Subscription · Developer tools · Developers

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Git hosting and code review with stacked pull requests, usable alone or kept in sync with GitHub.

Since 2026

Developer tools · Developers

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Local Kanban board for handing tasks to coding agents like Claude Code and Codex, then reviewing plans and diffs before merging.

Free plan · Projects and tasks · Developers

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A 30 minute hiring test where engineering candidates review a realistic pull request and an AI agent answers their comments.

Hiring and recruiting · Software companies

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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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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.

Since 2017

Data and spreadsheets

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Desktop app that runs several AI coding agents in separate git worktrees and tells you when each needs input.

Since 2026

Free plan · 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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GitHub style web interface over AWS CodeCommit so whole teams can read code and review pull requests without needing AWS logins.

Since 2026

Subscription · Developer tools · Developers

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Focused writing app with a clean Markdown editor, for writers who want fewer distractions.

Free trial · Notes and knowledge · Individuals and families

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Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

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A federated code host with stacked pull request review and CI. You can use the hosted service or run it yourself.

Since 2025

Developer tools · Developers

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Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.

Free plan · Website builders · Software companies