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Nanobrowser review

Open-source AI agent for web automation. Use your real, logged-in browser to automate daily tasks.

Updated Nov 1, 2026. Review written Nov 1, 2026 from the project's own sources; usage data refreshed every Monday.

Nanobrowser at a glance

Category
Browser and computer use
Website
nanobrowser.ai

Is Nanobrowser growing? Usage data

In the week of Oct 25–31, 2026, Nanobrowser ranked #349 on the Devtoolwatch Board and #15 in Browser and computer use, with a momentum score of 21 out of 100.

New GitHub stars per week for Nanobrowser12 weeks from Aug 9, 2026: 32, 83, 62, 56, 34, 43, 33, 81, 162, 65, 66, 48 new stars, an average of 64 a week.Aug 9week of Oct 25
New GitHub stars per week for the last 12 weeks, from GitHub's stargazer history (today's stargazers by the week they starred).
Show the weekly numbers
New GitHub stars per week for Nanobrowser
Week ofNew stars
Aug 9, 202632
Aug 16, 202683
Aug 23, 202662
Aug 30, 202656
Sep 6, 202634
Sep 13, 202643
Sep 20, 202633
Sep 27, 202681
Oct 4, 2026162
Oct 11, 202665
Oct 18, 202666
Oct 25, 202648

The Board ranks tools by four signals each week: new stars, new stars for the repo's size, added downloads and download growth beyond the market. How the ranking works.

Nanobrowser alternatives

Other browser and computer-use agents on the Board in the week of Oct 25–31, 2026, by momentum:

Browser and computer use ranked by momentum, the week of Oct 25–31, 2026
RankToolStarsDownloads/wk
#1ego liteego lite is a Chromium-based browser that lets AI agents like Claude Code or Codex run browser automation using your logged-in browser…21k–
#2MoliMoli is an open-source headless browser for AI agents, built in Rust, that fetches, extracts, and automates web pages through CLI, CDP,…21.9k–
#3CuaCua is open-source infrastructure that gives AI agents full desktops, with desktop automation drivers, local VMs, sandboxes, and…31.4k–
#4Browser HarnessBrowser Harness is an open-source Python tool that lets Claude Code, Codex or Cursor control your real Chrome browser, logged in as you.18.8k3.3M
#5Jev UltrafastJev Ultrafast is an open-source Python browser agent that picks an operation and an indexed page element per step, using TypeSafe's Jev.24k–
#6StagehandStagehand is an SDK for building browser agents that automate and extract data from websites using natural language, in TypeScript,…25.9k3M

All browser and computer-use agents, ranked

Nanobrowser FAQ

How popular is Nanobrowser?

Nanobrowser has 14.2k GitHub stars as of Nov 1, 2026. It gained 48 new stars in the week of Oct 25–31, 2026, against a 12-week average of 64 a week. That made it #15 among browser and computer-use agents on the Devtoolwatch Board.

What are the best alternatives to Nanobrowser?

Other browser and computer-use agents on the Devtoolwatch Board in the week of Oct 25–31, 2026, by momentum: ego lite (#1), Moli (#2), Cua (#3), Browser Harness (#4), Jev Ultrafast (#5). The alternatives table above has their numbers.

Sources

  1. Devtoolwatch Board, the week of Oct 25–31, 2026

Nanobrowser README badge

Maintainers can show the tool's weekly Board rank in their README:

Devtoolwatch badge for Nanobrowser

[![Devtoolwatch](https://index.devtoolwatch.com/badge/nanobrowser.svg)](https://index.devtoolwatch.com/tools/nanobrowser/)

How this page is made: Devtoolwatch writes each review from the project's README, releases, package metadata and website, with an AI model, then checks every claim against the source it cites and drops what the sources don't support. The numbers come from Devtoolwatch's daily GitHub snapshots, GitHub's stargazer history, and the npm and PyPI download APIs. Spotted an error? Email [email protected].