Software Alternatives, Accelerators & Startups

Slack E-mail Add-ins

Quickly forward emails and attachments to Slack.

Some of the top features or benefits of Slack E-mail Add-ins are: Seamless Integration, Improved Collaboration, Enhanced Productivity, and Centralized Communication. You can visit the info page to learn more.

Best Slack E-mail Add-ins Alternatives & Competitors in 2025

The best Slack E-mail Add-ins alternatives based on verified products, community votes, reviews and other factors.
Filter: 6 Open-Source Alternatives. Latest update:

  1. A better way to capture, annotate and share screenshots.

    Key ScreenTray features:

    User-Friendly Interface Comprehensive Features Cross-Platform Compatibility

    /screentray-alternatives
  2. Take clean screenshots of any website.

    Key Screen Guru features:

    User-Friendly Interface Quick Sharing Options High-Quality Output

    /screen-guru-alternatives
  3. Improve team performance continuously with time tracking automation.

    Key TimeLake.io features:

    Screenshots Native Windows App

    Try for free freemium €2.0 / Monthly

    Try for free
  4. Brand your Twitter content uniquely.

    Key BrandBird features:

    Easy to Use Comprehensive Design Tools Templates and Resources Collaboration Features

    /brandbird-alternatives
  5. Turn screenshots into Slack messages ✌️.

    Key Marker.io for Slack features:

    Seamless Integration User-Friendly Interface Automatic Screenshots Customizable Forms

    /marker-io-for-slack-alternatives
  6. How to Copy Text from Images ?

    Key TextSnatcher features:

    Free Access User-Friendly Interface Online Service

    Open Source

    /textsnatcher-alternatives
  7. The fastest way to take a customizable screenshot.

    Key LightShot features:

    Ease of Use Editing Tools Cloud Storage Speed

    /lightshot-alternatives
  8. Access text from any image instantly.

    /instashot-alternatives
  9. A simple screenshot beautifier.

    Key Screenzy features:

    User-Friendly Interface Customization Options Cross-Platform Compatibility Cloud Integration

    /screenzy-alternatives
  10. Take beautiful screenshots instantly.

    Key Xnapper features:

    User-Friendly Interface High-Quality Screenshots Annotation Tools Cloud Integration

    freemium $5.0 / Monthly

    /xnapper-alternatives
  11. Ultimate image annotation & markup tool.

    Key Annotable features:

    User-Friendly Interface Collaboration Features Integration Capabilities

    /annotable-alternatives
  12. Clip, don't bookmark. Web Clipper is a browser extension that lets you save any web page, article, or image into Evernote. Download now.

    Key Evernote Web Clipper features:

    Ease of Use Multiple Clipping Options Organization Annotation Tools

    /evernote-web-clipper-alternatives
  13. Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

    Key Greenshot features:

    Open Source Lightweight Customizable Annotation Tool

    Open Source

    /greenshot-alternatives
  14. glui - GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, using GLUT or FreeGLUT.

    Key Glui features:

    User-friendly Interface Integration High-quality Annotations

    /glui-alternatives
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