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  1. jsFiddle icon
     143 likes

    jsFiddle lets one easily test snippets of JavaScript/CSS/HTML code on-the-fly, adding optional libraries like jQuery.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    jsFiddle screenshot 1
    75 alternatives
  2. CodePen icon
     119 likes

    A communal platform for front-end development offering real-time previews, project building, and showcases, enhancing skills through challenges.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    Auto Updating Previews:
As you code, the preview updates automatically. Unless you don't want it to.
    Build Entire Projects:
Projects is the most powerful feature of CodePen. It's a full blown IDE right in the browser, with automatic preprocessing, drag and drop uploading, live previews, website deployment, and much more.
    Support For the Way You Code:
The CodePen Editor is highly customizable. There is autocomplete and Emmet for speed and accuracy. Plus you can set up smart defaults for starting new work.
    +4
    Keep Your Pens Private:
Nobody can see your private stuff until you want them to, because they are at secret unguessable, non-searchable, non-indexable URLs.
    68 alternatives
  3. Flutter icon
     64 likes

    Build apps for any screen. Flutter transforms the app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

    Cost / License

    Platforms

    • Self-Hosted
    • Dart
    • Flutter
    Flutter screenshot 1
    Flutter screenshot 1
    Flutter screenshot 2
    45 alternatives
  4. TabbyML icon
     20 likes

    Tabby is an open-source, self-hosted AI coding assistant. With Tabby, every team can set up its own LLM-powered code completion server with ease.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Visual Studio Code
    TabbyML screenshot 1
    TabbyML screenshot 1
    TabbyML screenshot 2
    75 alternatives
  5. RStudio icon
     132 likes

    RStudio™ is an integrated development environment (IDE) for R. RStudio combines an intuitive user interface with powerful coding tools to help you get the most out of R.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Xfce
    RStudio on Windows
    RStudio on Mac OS X
    RStudio on Ubuntu Linux
    +1
    RStudio screenshot 3
  6. MongoDB icon
     148 likes

    MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • BSD
    101 alternatives
  7. Trae icon
     15 likes

    Trae is an adaptive AI IDE that transforms how you work, collaborating with you to run faster.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    Trae screenshot 1
    Trae screenshot 1
    Trae screenshot 2
    +1
    Trae screenshot 3
    37 alternatives
  8. changedetection.io - The best and simplest self-hosted free open source website change detection monitoring and notification service. An alternative to Visualping, Watchtower etc. Designed for simplicity - the main goal is to simply monitor which websites had a text change for...

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Self-Hosted
    • Raspberry Pi
    • Docker
    • Cloudron
    Overview list of watches
    Using Visual Selector tool to specify the content of internet
    Text differences are clear and easy to see
    +2
    Browser Steps lets you interact with the website, login, click buttons, perform actions easily.
    30 alternatives
  9. Spyder icon
     71 likes

    Combines advanced development tools with scientific package capabilities for enhanced data analysis and visualization familiar to scientists.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Python
    • Flatpak
    Spyder screenshot 1
    Spyder screenshot 1
    48 alternatives
  10. OpenAI Codex icon
     10 likes

    One agent for everywhere you code. Powered by OpenAI’s frontier coding models and included in ChatGPT Plus, Pro, Business, Enterprise, and Edu.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • Node.JS
    OpenAI Codex screenshot 1
    OpenAI Codex screenshot 1
    OpenAI Codex screenshot 2
    +2
    OpenAI Codex screenshot 3
    71 alternatives
  11. Google Stitch icon
     15 likes

    AI-driven tool for building user interfaces for web and mobile apps, with export to design tools, direct frontend code access, and free usage limits.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    Google Stitch screenshot 1
    Google Stitch screenshot 1
    Google Stitch screenshot 2
    +6
    Google Stitch screenshot 3
    54 alternatives
  12. Open Source SQL Editor and Database Manager for MySQL, SQL Server, Postgres, Redshift, Sqlite and more.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • MySQL Community Edition
    • MariaDB
    • Microsoft SQL Server
    • CockroachDB
    • Amazon Redshift
    • PostgreSQL
    Beekeeper studio screenshot 1
    Beekeeper studio screenshot 1
    Beekeeper studio screenshot 2
    +2
    Beekeeper studio screenshot 3
    100 alternatives
  13. Ren'Py icon
     72 likes

    a visual novel engine that helps you use words, images, and sounds to tell interactive stories that run on computers, mobile devices, and the web.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    v8.1 & v7.6 release
    v8
    Ren'Py screenshot 2
    +4
    Ren'Py screenshot 3
    47 alternatives
  14. Lazarus icon
     130 likes

    Lazarus is a cross-platform IDE for the Free Pascal compiler. It tries to offer a Delphi-like programming experience through its own 'Lazarus Component Library' and supporting many platforms like Windows, OSX, Linux, BSD, Android, iOS and more.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • OpenSolaris
    Running on Windows
    An integrated UI running on Windows 10
    Running in Linux based OS
    +2
    Lazarus screenshot 3
  15. Ansible icon
     95 likes

    Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Python
    Architecture
    56 alternatives
  16. Notepad2 icon
     291 likes

    Notepad2 is a fast and light-weight Windows Notepad like text editor with syntax highlighting. Simple as possible, but yet powerful. Has full Unicode support. Can be run out of the box without installation, and does not touch your system's...

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Windows
    • PortableApps.com
    Notepad2 screenshot 1
    Notepad2 screenshot 1
    118 alternatives
  17. UI.Vision RPA icon
     120 likes

    Open-source task and test automation tool and Selenium IDE. The UI.Vision RPA software is a browser extension that can do desktop automation as well! Use it for web automation, form filling, screen scraping and Robotic Process Automation (RPA).

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Mozilla Firefox
    UI.Vision RPA software is a browser extension, but it can do desktop automation as well!
    144 alternatives
  18. Vue.js icon
     104 likes

    Vue is a JavaScript framework for building user interfaces. It builds on top of standard HTML, CSS and JavaScript, and provides a declarative and component-based programming model that helps you efficiently develop user interfaces, be it simple or complex.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • JavaScript
    Vue.js screenshot 1
    40 alternatives
  19. Continue.dev icon
     11 likes

    Continue is the leading open-source AI code assistant. You can connect any models and any context to build custom autocomplete and chat experiences inside VS Code and JetBrains.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • IntelliJ IDEA
    • Visual Studio Code
    Continue.dev screenshot 1
    Continue.dev screenshot 1
    Continue.dev screenshot 2
    +1
    Continue.dev screenshot 3
    22 alternatives