Software Alternatives, Accelerators & Startups

Userscripts VS grappa

Compare Userscripts VS grappa and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Userscripts logo Userscripts

An open-source userscript editor for Safari.

grappa logo grappa

grappa is an declarative, verbose, and expressive assertion library for Python.
  • Userscripts Landing page
    Landing page //
    2023-09-10
  • grappa Landing page
    Landing page //
    2022-11-06

Userscripts features and specs

  • Customization
    Userscripts allow for extensive customization of web experiences, as users can write scripts in JavaScript to modify the behavior and appearance of websites according to their needs.
  • Enhanced Productivity
    By automating repetitive tasks and adding useful shortcuts, userscripts can significantly enhance productivity for users who interact frequently with specific web applications.
  • Open Source Nature
    Being hosted on GitHub, Userscripts is open source, allowing developers to contribute, review the code for security purposes, and fork the project for personal use.
  • Community Support
    Userscripts have a strong community backing, with many scripts readily available through various online repositories, providing users with a wide array of pre-made scripts to choose from.
  • Cross-Browser Compatibility
    Many userscripts are designed to be cross-browser compatible, functioning in browsers like Chrome, Firefox, and others that support userscript managers like Tampermonkey or Greasemonkey.

Possible disadvantages of Userscripts

  • Security Risks
    Userscripts can pose security risks, as malicious scripts could potentially capture sensitive user data or perform harmful actions on behalf of the user.
  • Maintenance Overhead
    As websites update their structures and functionalities, users may need to frequently maintain or update their scripts to ensure continued compatibility and performance.
  • Technical Barrier
    Creating and managing userscripts often requires a certain level of technical knowledge, particularly in JavaScript, which may not be accessible to non-technical users.
  • Browser Deprecation Concerns
    Future browser updates might deprecate some functionalities that userscripts rely on, potentially rendering some scripts useless unless updated.
  • Performance Impact
    Poorly written or overly complex scripts might lead to performance issues, slowing down browsers or websites as they perform additional processing on pages.

grappa features and specs

  • Expressive Assertions
    Grappa provides a rich set of expressive assertions which allow for writing readable and concise test cases.
  • Chainable Syntax
    The library supports a chainable syntax that can improve the readability and maintainability of test assertions.
  • Integration
    Grappa can be integrated with multiple testing frameworks, such as Pytest, which can make it easier to incorporate into existing test suites.
  • Extensibility
    The framework supports custom matchers, allowing developers to extend the library's functionality tailored to their specific needs.

Possible disadvantages of grappa

  • Learning Curve
    For developers new to the library, there may be a learning curve associated with understanding the syntax and capabilities of Grappa.
  • Documentation
    Depending on the state of the project, the documentation may not be comprehensive, potentially making it challenging for new users to learn.
  • Community Support
    As a niche library, Grappa might not have as large a community or support as some more widely used testing frameworks.
  • Maintenance
    Open-source projects can sometimes experience slower development and updates, which could impact long-term usability if the project becomes less actively maintained.

Analysis of grappa

Overall verdict

  • Grappa is a solid, mature parsing library for the JVM that lets developers build parsers directly in Java using a fluent, PEG-based (Parsing Expression Grammar) approach without needing a separate grammar file or code generation step.

Why this product is good

  • Uses Parsing Expression Grammars (PEG), which are unambiguous and easier to reason about than traditional context-free grammars
  • Grammars are written in pure Java as a fluent DSL, so there's no external grammar file or code-generation build step
  • Integrates naturally into existing Java/JVM projects and tooling
  • Supports parser actions, error recovery, and value stack manipulation for building ASTs
  • Successor to the popular Parboiled library, benefiting from lessons learned in that project
  • Open source and hostable/inspectable directly on GitHub

Recommended for

  • Java and JVM developers who want to build parsers without learning a separate grammar language
  • Projects needing custom domain-specific languages (DSLs) or configuration formats
  • Developers who prefer PEG semantics over ambiguous CFG-based tools like ANTLR
  • Teams that want parser logic kept inline in their codebase rather than generated
  • Prototyping and small-to-medium parsing tasks where fluent Java code is convenient

Userscripts videos

5 Recommended Tampermonkey Userscripts in 2022

More videos:

  • Review - Creating TamperMonkey Userscripts | Augmented Browsing

grappa videos

No grappa videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Userscripts and grappa)
Browser Extensions
100 100%
0% 0
Testing
0 0%
100% 100
Dark Mode
100 100%
0% 0
Python
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Userscripts seems to be more popular. It has been mentiond 14 times since March 2021. 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.

Userscripts mentions (14)

  • Jeffgeerling.com has been Migrated to Hugo
    The looking icon is the Userscripts extensions. https://github.com/quoid/userscripts. - Source: Hacker News / 8 months ago
  • Show HN: My first programming project โ€“ userscripts to change forum UIs
    Hi, I'm Will. I'm 24, autistic, and have OCD tendencies. I'm learning to code and this is my first public project. Iโ€™d really appreciate your feedback and encouragement! This project lets me solve some of my OCD problems online. There are a couple of parts of the forums that I visit โ€“ Space Battles, Sufficient Velocity, and Questionable Questing โ€“ that I want to remove. Specifically, I hate seeing indicators of... - Source: Hacker News / over 2 years ago
  • Show HN: HNRelevant โ€“ Explore Related Discussions on HN in an Integrated Sidebar
    You can use userscripts [1] which is a safari extension which allows you to add userscripts, and the author of this work have an userscript [2] that you can use with safari (or any other browser) [1] https://github.com/quoid/userscripts. - Source: Hacker News / over 2 years ago
  • Apple and Safari playing catch-up?
    That Safari also supports UserScripts and Extensions also somewhat mutes some of Arc's benefits, so it will be interesting to see how/if Arc responds. Source: about 3 years ago
  • HN: Thank you for being fast, ad-free and text only
    }` In Safari, using Userscripts extension: https://github.com/quoid/userscripts#userscripts-safari. - Source: Hacker News / over 3 years ago
View more

grappa mentions (0)

We have not tracked any mentions of grappa yet. Tracking of grappa recommendations started around Mar 2021.

What are some alternatives?

When comparing Userscripts and grappa, you can also consider the following products

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

assertpy - A straightforward assertion library for Python.

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

Tampermonkey - Greasemonkey compatible script manager.

Greasy Fork - A site for user scripts.

Database Script Tool - Database Script Tool is an all-in-one functional code generator that allows you to generate several types of code, including SQL standard commands, classes, resource files, HTML 5 forms, Data managers, and more to add.