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Violentmonkey VS Jaah

Compare Violentmonkey VS Jaah and see what are their differences

Violentmonkey

Violentmonkey is a userscript manager to support running userscripts in web pages.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Jaah

Jaah is Just Another Agentic Harness, for production-grade AI-generated code. Coding agents write the code. Jaah makes it production-grade.

Rating
0 reviews
Pricing
Freemium Free trial
Alternatives Is it good?
Modelence
Create production-ready applications with zero code sponsored

Which is more popular?

Based on our record, Violentmonkey seems to be more popular. It has been mentioned 46 times since March 2021.

social mentions
46 vs 0
Browser Extensions popularity
100% vs 0%
alternatives listed
30 vs 8

Base details

Website, pricing, platforms and company facts side by side.

Violentmonkey
Jaah
Website violentmonkey.github.io jaah.ai
Pricing
Open source
Freemium Free trial Official pricing
Company — Startup from the United States · 1 - 9 employees · 2026
Listed in
Browser Extensions Dark Mode Tool Developer Tools +1
AI Coding Agents Developer Tools Code Review DevOps Services AI Coding AI Developer Tools AI Agents Productivity Coding AI +7

About Violentmonkey and Jaah

In their own words, as submitted to SaaSHub.

Violentmonkey
Jaah

No description of Violentmonkey yet.

Coding agents write the code. Jaah makes it production-grade. It lets teams delegate engineering and related work to AI agents while keeping control over processes and outcomes. Jaah uses the same coding agent with added guardrails like reviews, audit records, permissions, and workflow rules that...

Read more about Jaah

Features and specs

What each product offers, as listed by its team.

Violentmonkey 5 features
Jaah 0 features
  • Free and Open Source
    Violentmonkey is freely available to use and the source code is open for anyone to inspect, modify, and contribute to. This ensures transparency and community-driven development.
  • Active Development
    The project is actively maintained and updated, which means that bugs are fixed promptly and new features are regularly added.
  • Cross-Browser Support
    Violentmonkey is compatible with multiple browsers including Chrome, Firefox, Microsoft Edge, and Opera, providing flexibility to users regardless of their browser preference.
  • User Script Manager
    It allows users to manage and run custom scripts to enhance web pages, providing extensive customization options for a tailored browsing experience.
  • Easy Backup and Sync
    Features like backup and sync allow users to easily transfer their settings and scripts across different devices, ensuring a consistent experience.

Possible disadvantages

  • Learning Curve
    For new users, especially those not familiar with scripting, there might be a learning curve involved in understanding how to write and manage scripts effectively.
  • Security Risks
    As with any tool that runs third-party scripts, there is a potential risk for malicious scripts that can compromise user security and privacy if not properly vetted.
  • Dependency on Community Scripts
    The quality and functionality of Violentmonkey heavily rely on the availability and maintenance of user-submitted scripts, which can vary in quality.
  • Browser Performance Impact
    Running multiple or poorly optimized scripts can affect browser performance by increasing loading times and resource consumption.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Violentmonkey
Jaah

Overall verdict

  • Yes, Violentmonkey is a reliable and efficient userscript manager that caters to the needs of users who want to customize their web browsing experience.

Why this product is good

  • Violentmonkey is considered a good choice for users looking to manage userscripts on their web browsers. It provides a clean and straightforward interface, supports a wide range of script sources, and is compatible with multiple browsers including Chrome, Firefox, and Edge. Moreover, it is open-source, allowing for community contributions and transparency.

Recommended for

  • Tech-savvy users interested in enhancing their web browser functionality through userscripts.
  • Developers who want to test userscripts in a flexible environment.
  • Users looking for an open-source alternative to other popular script managers like Greasemonkey or Tampermonkey.

No analysis of Jaah yet.

Videos

Walkthroughs and reviews on video.

Violentmonkey 1 video + Add
Jaah 1 video + Add

暴力猴 Violentmonkey chrome 神器扩展插件 看VIP电影 下载视频一应俱全

Jaah SLT - Dottin Up (Official Video) REACTION!!!

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Violentmonkey
Jaah
100% 100%
Browser Extensions
0% 0%
0% 0%
AI Coding Agents
100% 100%
100% 100%
Dark Mode
0% 0%
0% 0%
DevOps Services
100% 100%

Questions & Answers

As answered by people managing Violentmonkey and Jaah.

How would you describe the primary audience of your product?

Jaah's answer:

Engineering leaders, teams and solo developers who want to hand real work to AI agents without lowering the bar for what reaches production: teams that care about review, security, governance and keeping code on their own infrastructure.

What makes your product unique?

Jaah's answer:

Jaah doesn't just generate code; it gets code to production. Every task runs through a staged pipeline and comes back as a pull request that has passed your own tests plus code, security and acceptance review, corporate guardrails, with a report showing the evidence for each acceptance criterion, everything is auditable.

Why should a person choose your product over its competitors?

Jaah's answer:

Coding agents are cheap; trusting their output is the hard part. Jaah carries your standards into every repository, enforces branch protection agents cannot bypass, and keeps every action on record.

What's the story behind your product?

Jaah's answer:

Jaah (Just Another Agentic Harness) was built by its own agents, running in its own harness, on tasks its own pipeline handed them, and it still is. Every change to the product is worked by the same pipeline it sells, under the same reviews, and merged the same way. But at its origin it was devised by a team who started to be cognitively overloaded by all the AI agents it was running.

Which are the primary technologies used for building your product?

Jaah's answer:

Python, Typescript, React, Postgres, but Jaah can rewrite itself into any other stack in a few days.

User comments

Share your experience with using Violentmonkey and Jaah. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Violentmonkey 46 mentions
Jaah 0 mentions
  • Show HN: UserScript to manually choose model for ChatGPT website
    - GPT 4o mini, so you can save your 4o calls for more complex queries https://github.com/altbdoor/userscripts/raw/master/force-gpt3.user.js. - Source: Hacker News / about 2 years ago
  • If your Firefox suddenly started to hang or become extremely slow today, check if you have tampermonkey 5.0. Disable it for now as it seems to be the culprit.
    Since Tampermonkey seems to be misbehaving, consider using Violentmonkey. Source: almost 3 years ago
  • Current plan for the flag
    Step 1Install violentmonkey (or your favorite user script manager). Source: about 3 years ago

View more

Tracking Jaah since Oct 2026.

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