Software Alternatives, Accelerators & Startups

Violentmonkey VS Fly.io

Compare Violentmonkey VS Fly.io and see what are their differences

Violentmonkey logo Violentmonkey

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

Fly.io logo Fly.io

Edge computing is the new frontier.
  • Violentmonkey Landing page
    Landing page //
    2023-10-16
  • Fly.io Landing page
    Landing page //
    2023-11-16

Violentmonkey features and specs

  • 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 of Violentmonkey

  • 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.

Fly.io features and specs

  • Global Deployment
    Fly.io enables developers to deploy applications geographically close to users, reducing latency and improving performance.
  • CLI and Git-based Deployment
    Fly.io offers a command-line interface and Git integration for quick and efficient application deployment.
  • Automatic SSL
    Fly.io provides automatic SSL/TLS certificates, simplifying secure traffic management.
  • Scalability
    Applications deployed on Fly.io can scale both vertically and horizontally to handle varying loads.
  • Built-in Storage
    Fly.io offers persistent storage solutions such as Fly Volumes, which seamlessly integrate with applications.
  • Integrated Monitoring
    Fly.io provides built-in monitoring tools to track application performance and health.

Possible disadvantages of Fly.io

  • Learning Curve
    New users may find the platform's concepts and deployment methods unfamiliar, requiring time to learn.
  • Documentation
    Users have reported that the documentation can sometimes be lacking in detail or difficult to navigate.
  • Cost
    While Fly.io offers a free tier, the cost can become significant as you scale your applications.
  • Limited Language Support
    Fly.io supports fewer runtime environments and languages compared to more established platforms like AWS or Azure.
  • Platform Maturity
    As a relatively new platform, Fly.io may lack some advanced features and ecosystem integrations offered by more mature competitors.
  • Debugging
    The debugging tools and processes can be less comprehensive compared to traditional cloud providers.

Analysis of Violentmonkey

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.

Analysis of Fly.io

Overall verdict

  • Fly.io is a strong choice for developers looking to enhance application performance through global deployment without the complexities often associated with managing multiple infrastructure locations. Its ease of use and robust features make it a competitive option in the edge computing space.

Why this product is good

  • Fly.io is known for its edge computing solutions that allow developers to deploy applications closer to users, resulting in reduced latency and improved performance. It supports a wide range of programming languages and frameworks, and offers a straightforward platform for deploying full-stack applications globally. Fly.io's pay-as-you-go pricing model can also be cost-effective for projects of various sizes.

Recommended for

  • Developers looking to deploy applications globally with minimal latency.
  • Teams needing a scalable and flexible infrastructure that can grow with their needs.
  • Projects that benefit from a serverless approach without sacrificing control over the code and environment.
  • Applications that require rapid deployment and ease of management.

Violentmonkey videos

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Fly.io videos

We FLY a SPACESHIP! Video Game FLY.io Computer App with HobbyKidsTV

Category Popularity

0-100% (relative to Violentmonkey and Fly.io)
Browser Extensions
100 100%
0% 0
Cloud Computing
0 0%
100% 100
Dark Mode
100 100%
0% 0
Developer Tools
6 6%
94% 94

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Violentmonkey and Fly.io

Violentmonkey Reviews

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Fly.io Reviews

Heroku Free Tier Gone โ€” 10 Alternatives Still Free in April 2026
Yes! Several platforms offer real free tiers in 2026. SnapDeploy gives you free containers (no time limits) with no credit card required โ€” and your hours only count when your app is running. Render offers free web services with 512 MB RAM (but they spin down after inactivity). Railway gives new users a $5 one-time trial credit. Fly.io offers trial credits for new users,...
Source: snapdeploy.dev
5 Free Heroku Alternatives with Free Plan for Developers
Fly.io is one the best free alternatives to Heroku that you can use. Itโ€™s designed for developers and students to run small applications for free and scale costs affordably as you grow. Just like Heroku it comes with CLI applications and there are other tools in it that you can use to easily deploy your apps. For advanced users, it has premium plans but for now, due to its...

Social recommendations and mentions

Based on our record, Fly.io seems to be a lot more popular than Violentmonkey. While we know about 482 links to Fly.io, we've tracked only 46 mentions of Violentmonkey. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Violentmonkey mentions (46)

  • 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: over 2 years ago
  • Current plan for the flag
    Step 1Install violentmonkey (or your favorite user script manager). Source: about 3 years ago
  • Andrej Karpathy โ€“ State of GPT ( At MSBuild 2023)
    Sounds like a good violent monkey [0] script for you do this weekend. :) [0] https://violentmonkey.github.io/. - Source: Hacker News / about 3 years ago
  • Auto expand for reports button in modqueue
    Toolbox is great, but if that is all you really need, here's this! You can copy and paste this as a new script to use in ViolentMonkey [AMO] or whatever script manager you use. Source: over 3 years ago
View more

Fly.io mentions (482)

  • Best alternatives to Heroku in 2026
    Fly.io opens up two things Heroku keeps at arm's length: real multi-region deployment and full control over the runtime. Heroku's Common Runtime offers two regions (US and EU), and Private Spaces gets you one region at a time from a wider list. Fly runs Firecracker microVMs across eighteen regions on six continents, and replicas can be pinned to specific cities. If your Heroku app has global users and you've been... - Source: dev.to / about 1 month ago
  • Building an autonomous Slack agent with OpenCode
    The gateway is the web service that receives requests. I host it on Fly. It accepts Slack events, automation API calls, trigger requests, Composio webhooks, Inngest calls, and runtime calls. - Source: dev.to / 2 months ago
  • It Worked on My Machine (Literally)
    The tunnel was never meant to be permanent (it runs off my laptop, and the URL changes every time it restarts), so the next step was deploying somewhere real. I built the Docker image for Fly.io, set my username, and shipped it. - Source: dev.to / 2 months ago
  • I Built a Zero-Knowledge Encrypted Habit Tracker with Elixir & Phoenix LiveView
    Three independent encryption layers at rest: client-side E2E, Cloak AES-256-GCM in Postgres, and LUKS disk encryption on Fly.io. - Source: dev.to / 4 months ago
  • One honojs file for entire web scraping API
    I'll also provide github repository in the end, which you can use easily to launch your own scraping APIs on vercel, Cloudflare, netlify or, fly.io or even on a Docker container. - Source: dev.to / 4 months ago
View more

What are some alternatives?

When comparing Violentmonkey and Fly.io, you can also consider the following products

Greasemonkey - Customize the way a web page displays or behaves, by using small bits of JavaScript.

Render - Render is a unified platform to build and run all your apps and websites with free SSL, a global CDN, private networks and auto deploys from Git.

Tampermonkey - Greasemonkey compatible script manager.

Railway - Made for any language, for projects big and small.

Greasy Fork - A site for user scripts.

Vercel - Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration.