Software Alternatives, Accelerators & Startups

On-Screen Ruler VS DotKernel API

Compare On-Screen Ruler VS DotKernel API 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.

On-Screen Ruler logo On-Screen Ruler

lightweight, free, semi-transparent ruler

DotKernel API logo DotKernel API

An opinionated framework-less tool aimed at intermediate-to-advanced level programmers to start implementing REST APIs swiftly and efficiently.
  • On-Screen Ruler Landing page
    Landing page //
    2023-03-15
Not present

Dotkernel API is a PHP REST API application built on top of Mezzio microframework , using Laminas components. DotKernel API is an alternative for legacy Laminas API Tools (formerly Apigility) applications

On-Screen Ruler features and specs

  • Ease of Use
    On-Screen Ruler is intuitive and simple to use, allowing users to quickly measure objects on their computer screen without the need for physical tools.
  • Customization
    The tool offers customization options such as changing the unit of measurement, color, and transparency, which allows users to tailor the ruler to their needs.
  • Accessibility
    Being a digital tool, it is easily accessible to anyone with a computer, eliminating the need to carry around a physical ruler.
  • Cost
    As a free tool, On-Screen Ruler provides a cost-effective solution for users who need to measure screen objects regularly.

Possible disadvantages of On-Screen Ruler

  • Limited Functionality
    Compared to advanced graphic design or measurement software, On-Screen Ruler may lack some features that professionals might need.
  • Screen-Only Measurement
    This tool is limited to measuring objects on a screen, which may not be useful for physical object measurement tasks.
  • Compatibility Issues
    There might be compatibility issues with certain operating systems or specific software environments, potentially hindering its use.
  • Accuracy
    The accuracy of the measurements can be impacted by the screen resolution and calibration, possibly leading to less precise results.

DotKernel API features and specs

  • Open Source
    DotKernel is an open-source project, which means the source code is publicly available, allowing developers to modify and contribute to it freely.
  • Robust Middleware
    DotKernel is built on top of Zend Expressive (now known as Laminas), which provides a robust middleware architecture for creating scalable and efficient web services.
  • Community Support
    Being open-source and part of the larger Zend Framework (Laminas) community, DotKernel benefits from community support and shared expertise.
  • RESTful API Development
    DotKernel is designed with RESTful API development in mind, providing tools and structure that facilitate the creation of REST-compliant services.
  • Extensible
    Its modular architecture allows for easy extension and customization, making it adaptable to various project requirements.

Possible disadvantages of DotKernel API

  • Steep Learning Curve
    For developers unfamiliar with Zend Expressive or middleware-based frameworks, the learning curve can be steep compared to more straightforward frameworks.
  • Limited Out-of-the-Box Features
    Unlike some frameworks that offer extensive built-in features, DotKernel requires additional setup and configuration to implement certain functionalities.
  • Community Size
    While DotKernel benefits from community support, its community is smaller compared to larger frameworks like Laravel or Symfony, which may limit the availability of tutorials and third-party extensions.
  • Migration Overhead
    DotKernel's reliance on the transition from Zend to Laminas might necessitate migration efforts for ongoing projects, impacting development timelines.

Analysis of DotKernel API

Overall verdict

  • DotKernel API is a solid choice for PHP developers seeking a lightweight, modular framework specifically designed for building RESTful APIs, backed by an established open-source project with years of active development.

Why this product is good

  • Built on Mezzio (formerly Zend Expressive), leveraging mature and well-tested PHP components
  • Modular architecture allows developers to include only the components they need, keeping applications lean
  • Provides built-in support for common API needs like authentication, versioning, and standardized responses
  • Open-source with an active GitHub presence, allowing community contributions and transparency
  • Backed by DotKernel, an organization with a long history in PHP framework development since the early 2000s
  • Good documentation and examples to help developers get started quickly
  • Follows modern PHP standards and practices, including PSR compliance

Recommended for

  • PHP developers building RESTful APIs from scratch
  • Teams looking for a modular, non-monolithic framework alternative to larger frameworks like Symfony or Laravel
  • Projects requiring lightweight, performance-focused API backends
  • Developers already familiar with Mezzio or Zend Framework ecosystem
  • Startups or small teams wanting open-source tools without licensing costs
  • Backend services that prioritize simplicity and specific API-focused functionality over full-stack MVC features

On-Screen Ruler videos

How to enable floating app "On-screen Ruler" on XiaoMi/MI/MIUI devices

DotKernel API videos

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Category Popularity

0-100% (relative to On-Screen Ruler and DotKernel API)
Note Taking
100 100%
0% 0
REST API
0 0%
100% 100
Screenshot Annotation
100 100%
0% 0
API Tools
0 0%
100% 100

User comments

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What are some alternatives?

When comparing On-Screen Ruler and DotKernel API, you can also consider the following products

Meazure - What are the dimensions of that image? How big is this window?

Apigility - Apigility is an API Builder, designed to simplify creating and maintaining useful, easy to consume, and well structured APIs.ย 

Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.

API Platform - REST and GraphQL framework to build modern API-driven projects

Gnome ScreenRuler - ScreenRuler lets you measure objects on your Ubuntu desktop using six different metrics.

PMeter - PMeter is a very handy pixel meter.