puush is described as 'Super-quick way to share screenshots and files. Quickly capture any portion of your screen, upload any file, and share them with a short URL automatically placed in your clipboard. Share them with the world or make them private, for your eyes only' and is a screenshot capture tool in the photos & graphics category. There are more than 50 alternatives to puush for a variety of platforms, including Windows, Mac, Linux, Web-based and Google Chrome apps. The best puush alternative is ShareX, which is both free and Open Source. Other great apps like puush are Flameshot, Greenshot, Ksnip and Lightshot.
SnapCrab is a photo capture software that can capture any part of your screen. Files are saved in PNG format. Capture the whole screen, specified windows or areas, or wherever you like. With SnapCrab you can directly post captured images to Twitter, or save them to Evernote.
A macOS app for capturing, annotating and sharing screenshots. Quickly add comments, highlight what matters or blur any sensitive content. Upload screenshots to Google Drive or Dropbox. Copy screenshots to the clipboard and paste them directly into Slack, Skype, Jira, Trello and...
Take, edit and share screenshots with Windows, OS X, Linux, Android and Google Chrome. It's free and simple!
ReloadoScreenshot is the most popular Android & Android Tablet alternative to puush.
Uploading images and screenshots from home page or from your dashboard. Offers a 50 MB upload limit for guests and a 100 MB upload limit for registered users. Offers 11 GB of free storage space for registered users.
JetFolder is the most popular Self-Hosted alternative to puush.
Szoter is easy to use, free, online image annotation tool. It makes expressing Your ideas and thoughts easy. It can be used to share Your ideas with friends, highlight important parts of images or even to create readable bug reports.
mac2imgur - A simple Mac app designed to make uploading images and screenshots to Imgur quick and effortless
Swiftdrop is a small, non-intrusive utility application which loves to live in a user's Dock, or in the system menu next to the clock. When files or folders are dropped on the icon, they are uploaded to the public folder of the user's Dropbox account, or a Swiftdrop...
GNOME Screenshot is a utility used in the GNOME desktop environment for taking screenshots. It was part of the GNOME Utilities (gnome-utils) package, but was split into its own package for the 3.3.1 version in 2011.
KSUploader is a instant sharing tool, you can capture screens, upload files or your clipboard.
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Gnome screenshot doesn't have the instant online upload and url option that makes puush a great app.