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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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 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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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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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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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 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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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 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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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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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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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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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 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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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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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 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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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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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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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 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 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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Hosted git and Mercurial repos, CI builds, bug trackers and mailing lists for software projects, with no tracking.

Subscription · 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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A visual Git client for developers that handles rebases, conflicts and worktrees by drag and click, on desktop or in editors.

Since 2026

Free · 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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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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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 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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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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Preview and debug ZPL thermal printer labels in the browser, make barcodes and render labels through an API.

Free plan · Inventory and stock · Shops and retail

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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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Deploys and runs code written by AI coding agents, including apps, APIs, databases and agents, from inside your editor.

Since 2025

Free plan · Developer tools · 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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Pay per minute GPU rental for AI work, paired with a Linux environment that holds onto your models, files and tools between sessions.

Since 2026

Pay as you go · Developer tools · Creators and writers

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Puts a folder of static files online with one command or through an AI agent, with built-in form collection.

Website builders · Individuals and families

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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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Generates commit text, pull request summaries, release notes and audit docs from code diffs so engineers spend less time writing.

Since 2025

Free trial · 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

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Adds uploads, image resizing and typed SDKs on top of the Cloudflare R2 bucket you already have, without bandwidth fees.

Since 2025

Free plan · 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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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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Add a widget to a staging site so reviewers can pin comments on any element, then turn them into tickets or fixes.

Since 2026

Developer tools · Agencies

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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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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