No moat. Still in business.

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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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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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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 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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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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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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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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A desktop task manager that keeps tasks, habits and goals in plain org-mode files, with an AI assistant and git sync.

Since 2026

Projects and tasks · Individuals and families

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WordPress plugin that lets Claude, Cursor and other MCP clients create posts, edit SEO and manage site content.

Free · Automation and integrations

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Open source support chat and inbox for apps built with React or Next.js, where an AI agent handles routine questions and staff step in.

Customer support · Developers

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Build multi-step forms and surveys from short code or markup, with a WordPress plugin and Google Sheets saving.

Since 2025

Free plan · Forms and surveys · 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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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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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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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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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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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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An open-source coding agent that writes and runs code with any AI model, from the terminal, a desktop app or your editor.

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

Free · 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 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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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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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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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

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An open-source visual editor for websites and Markdown with live preview, Git and an optional paid AI tier.

Since 2026

Free plan · Developer tools · Developers

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A VS Code based editor that runs several coding agents at once, each in its own Git worktree, so you can review their work.

Since 2026

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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A desktop tool to design PostgreSQL schemas visually, reverse engineer live databases and diff them between environments.

Free trial · Developer tools · Developers

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A desktop and phone app for running and reviewing many coding agents at once across your own machines.

Developer tools · Developers

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A desktop app that lets artists version, lock and review large 3D and game engine files on Git without command lines.

Since 2026

Design and images · Creators and writers

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An API that returns a company logo for any domain from a CDN, with a React component and domain locked keys.

Free plan · Design and images · Developers

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Gives each local dev server or container a stable domain so developers avoid port clashes, with paid tunnels to LAN and the internet.

Since 2026

Free plan · 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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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 task tracker where software teams assign issues to AI coding agents and follow their progress next to human work.

Free trial · Projects and tasks · Developers

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Shows engineers the cloud cost of Terraform and other infrastructure code changes in their editor or coding agent.

Since 2026

Free plan · 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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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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Traces AI coding agent runs, spots where they fail and enforces rules that stop repeat failures as they happen.

Since 2026

Free plan · Uptime and monitoring · 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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Generates editable architecture, ER and cloud diagrams from a description, SQL, Prisma, Terraform or a code repo.

Since 2025

Free plan · Design and images · 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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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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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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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