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Alternatives

Products that do what Plannotator – annotate agent plans, diffs, and HTML does

I started this in January as a hook for Claude Code's plan mode: when it finished planning, instead of approving a wall of text in the terminal, the plan opens in your browser and you could mark it up like a document. Your annotations go back into the agent session. It grew from there. There's now PR-style code review (git, jj, p4, GitHub/GitLab PRs) and annotation for markdown, URLs, and folders. Agents produce a lot of HTML now, so Plannotator renders those artifacts and lets you annotate them too. Nine harnesses are supported: Claude Code, Codex, Copilot CLI, Gemini, OpenCode, Kiro,…

  1. 1

    Annotate any doc, URL, or folder - send feedback to agents

    Apr 2026

  2. 2

    Annotate, review, and share Claude Code plans. (Plugin/Hook)

    Dec 2025

  3. 3

    OSS IDE for controlling AI coding agents with built in loops

    Jul 2026 · auravcs.com

  4. 4CR

    Plannotator opens a local diff viewer (git, jj, p4). You annotate lines, tokens, or comment on files, and when you're done they feed straight into your agent session; creating an automated feedback loop. It works on local diffs, commits, branches, worktrees, and GitHub/GitLab PRs. The PR view lets you annotate the descriptions and comments while also being able to filter bot comments. The core tool enables focused manual review, the optional AI layer: - Ask AI: Ask questions directly inline - Guided Reviews: Have an agent reorganize a large diff into semantic overview sorted by…

    Jul 2026 · plannotator.ai

  5. 5

    Open-source alternative to Codex & Claude Code

    May 2026

  6. 6
    Aura122

    Semantic version control for AI coding agents on top of Git

    Mar 2026

  7. 7

    Run Claude, Codex & Copilot directly in GitHub & VS Code

    Feb 2026

  8. 8

    Code review environment for the modern era.

    Jul 2026 · plannotator.ai

  9. 9

    Markdown editor built for the AI workflow era

    Dec 2025

  10. 10

    Repo-native memory for coding agents

    Jul 2026 · github.com

  11. 11
    Baton106

    Orchestrate your AI coding agents

    Apr 2026

  12. 12

    Annotate any webpage UI and export feedback as Markdown

    Jan 2026

  13. 13
    Flare120

    The graph-first IDE and interactive map for agentic coding

    12d ago · github.com

  14. 14

    Give your AI coding agent the web as a command line

    Jun 2026 · npmjs.com

  15. 15

    Give your agent tools to create beautiful, codebase-aware UI

    Apr 2026

  16. 16

    Your AI agents team, terminals, notes: one infinite canvas

    Jul 2026 · agentgrid.sh

  17. 17
    DexCode94

    Your AI Agent builds the Deck & you never leave the terminal

    Mar 2026

  18. 18CC

    Uses agent and Git Hooks to automatically create Git Notes on commit, containing the agent conversation that led to that commit. Works if either you or the agent commit. It's basically the same thing as entire.io just announced that they got $60m investment for. Except I got Claude Code to write it last week, in my spare time, without really paying attention. I certainly didn't read or write any of the code, except for one rubbish joke in the README. I've got a Claude Code instance working on Gemini CLI support and OpenCode support currently.

    Feb 2026 · github.com

  19. 19
    Maestro20

    Bloomberg Terminal for CLI agents

    Jan 2026

  20. 20

    Line-level AI attribution for your codebase

    Jul 2026 · traceshub.com

  21. 21SR

    Hello all, I'm a software developer. Over the last few months more and more of my work has turned into using coding agents instead of typing the whole code myself. Usually a few claude sessions at once, sometimes codex, one per feature or per revealed bug. I ran them in a split terminal for a few weeks, and quickly spotted two main problems. The first is that I couldn't easily tell which agent was stuck waiting on me and which was still working, so I'd cycle through sessions and checking on them. The second one: agents sharing a single branch step on each other. Two of them could be editing…

    Jul 2026 · shikigami.dev

  22. 22

    Annotate any webpage — now with an MCP server for AI agents

    10d ago · marklayer.app

  23. 23GE

    I was torn between using my beloved Emacs or using coding agents in Claude Code and Cursor. So I decided to have my cake and eat it. Greger uses Claude with a set of built-in tools for editing code, running shell commands, searching the internet, etc. It also has a simple interface for adding custom tools. The entire chat is a plain Emacs buffer, with markdown-like syntax. Which means that you can yank and kill and edit it like any other text file. Every file that Greger changes gets tracked as a separate commit in Git, so you can roll back if it goes off the rails. Most of Greger was…

    2025 · github.com

  24. 24OS

    We built an open-source library of 125 GTM (go-to-market) skills that plug into AI coding agents like Claude Code, Codex, and Cursor. With these skills an AI agent can automatically: - Find ICP leads from conference speakers, LinkedIn activity, or job boards - Generate personalized cold email sequences - Monitor competitor blogs, pricing pages, and hiring signals - Generate programmatic SEO pages from keyword lists - Track where your brand appears in ChatGPT, Perplexity, and Claude answers --- How skills work Each skill is a structured markdown file containing instructions, scripts, and tool…

    Mar 2026 · github.com

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