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A large selection of free PDF readers for Linux is available online, yet picking the best one is not an easy task at all.
Most people first think of Adobe Acrobat Reader, but despite its prevalence, there are some great alternatives to choose from.
Today, we are taking a look at Slim PDF Reader - a quintessential alternative to Adobe Acrobat Reader.
Slim PDF Reader is a lightweight, free PDF viewer popular among Windows users that now Linux enthusiasts can enjoy, as well.
It all comes down to the size and speed with this free PDF reader. Nonetheless, it offers some interesting features:
  • Customizable UI with dark theme support
  • A full range of advanced annotation options
  • Copy and snapshot tools
  • Various viewing options and navigation tools
  • PDF form filling and signature verification
  • Download size only 17.3 MB (Ubuntu and Fedora)
Let’s take a closer look at the main strong points of this free PDF reader for Linux below.

Simple & Modern UI

When it comes to the user interface design, Slim PDF reader deserves a 5-star rating.
The PDF viewer uses bright colors for the tools and options that provide a nice contrast against the background. It also comes with a nice, modern-looking dark theme suitable for working and reading at night.
On top of having an eye-catching design, the UI is easy to navigate around and requires minimal learning effort.

All viewing options are located in the bottom toolbar. There you can rotate pages, set the zoom level, search through the document, select viewing mode, and go to a specific page.
The top toolbar and the right-side panel are populated with the main editing tools. You can use these tools to make and save changes to your PDF documents.
In the left side panel, you can easily view page thumbnails, bookmarks, and attachments if there are any.

Watermarks, Comments, Attachments & More

If you often need to review and markup your PDFs, you'll be glad to know that Slim PDF Reader comes with 10 advanced and customizable PDF annotation tools.
Using the right-side panel, you can instantly add the following annotations: watermark, highlighter, attachment, link, strike-through, squiggly line, stamp, underline, and sticky note.

Simply select the desired tool, then place the annotation where you want it on the page. From there, you can reposition it if necessary and customize it using the options in the properties section.
On top of that, Slim PDF Reader enables you to fill out PDF forms, and check if a PDF with an attached digital signature was altered or not.

Copy and Snapshot Tools

Slim PDF Reader doesn’t offer advanced text and image conversion, but it comes with content extraction tools that other PDF viewers are missing.

The Copy tool enables you to select and copy a portion of PDF text to clipboard that you can paste into a browser for search or other applications for editing.

In the same manner, the Snapshot tool is used to create an image of a section of the document that you can then paste into an image processing app.

Final Words

Overall, Slim PDF Reader makes a very good impression. It is small, fast, and offers an interesting, feature-rich toolbox for a free PDF viewing tool.
If you need more advanced features such as PDF conversion, editing, and e-signatures, check out our review of Able2Extract Professional for Linux.
Have you already tried Slim PDF Reader? Do you use some other tool for PDF viewing on Linux? You’re welcome to drop a comment and share your opinion in the comments below.
Do you love to play classic games? If yes, then you are on the right page. RetroArch is a frontend utility for emulators, game engines and media players. You can play wide variety of classic of computer and consoles games. It is free, open-source and cross-platform runs on Linux, Most Windows versions, Mac OS X; On top of all that, RetroArch also runs on iOS and Android for tablets and phones, as well as on game consoles like PS2, PS3, PSP, PS Vita, Wii, Wii U, 2DS, 3DS, Switch, and more! If you have device which is not mentioned here or simply you don't want to install it on your system or you just want to give it a shot then you can run RetroArch online in your web-browser.
Programmers/Developers always love rich-feature text editor, they can be more productive using such application. Sublime Text Editor has been around since 2008 and widely used by many programmers. It is written using C++ and Python programming language, the best thing about this editor is that it's cross-platform and available for Linux, Mac and Windows.
Sublime-Text editor natively support numerous amount of programming and markup languages, more functionality can be added using plugins, the plugins are mostly built by its community and maintained user free-software licenses.
Sublime-Text editor is a proprietary software but it can be installed and offers unlimited evaluation which means you can use it as long as you want it to be free. So basically the evaluation period never expires.
sublime

Features:
  • Cross platform (Linux, Windows, Mac OS)
  • "Goto Anything," quick navigation to files, symbols, or lines
  • "Command palette" uses adaptive matching for quick keyboard invocation of arbitrary commands
  • Simultaneous editing: simultaneously make the same interactive changes to multiple selected areas
  • Python-based plugin API
  • Project-specific preferences
  • Column selection and multi-select editing
  • Extensive customizability via JSON settings files, including project-specific and platform-specific settings
  • Compatible with many language grammars from TextMate
  • Auto-save, which attempts to prevent users from losing their work
  • Spell check function corrects as you type.
  • Macros and Repeat the last action.
  • Customizable key bindings, a navigational tool which allows users to assign hotkeys to their choice of options in both the menus and the toolbar.
  • Find as you type, begins to look for the text being entered as the user types without requiring a separate dialog box.
  • A wide selection of editing commands, including indenting and unindenting, paragraph reformatting and line joining.

Recent Changelog:
  • Files and folders in the sidebar will now display badges to indicate Git status
  • Ignored files and folders are visually de-emphasized
  • The current Git branch and number of modifications is displayed in the status bar
  • All changes to a document are now represented by dedicated markers in the gutter
  • Diff markers show added, modified and deleted lines
  • Improve positioning and sizing of gutter icons in some situations
  • Linux: Improved input method (IM) support - fcitx, ibus, etc
  • Linux: Fixed a crash when using GTK_IM_MODULE=xim
  • Linux: Tweaked behavior of up/down when on the first and last lines of a file to better match platform conventions
  • Improved performance with large numbers of rules in a .sublime-theme
  • Linux: Moved to GTK3
  • Linux: Various high DPI fixes
  • Support for Unicode 11.0
  • Improved rendering of combining characters
  • Linux: Color glyphs are now drawn properly on light backgrounds
  • Linux: Improved behavior of --wait command line argument when Sublime Text isn't currently running
  • More information can be found here.

Install using repository:

Available for Debian/Ubuntu/Linux Mint/other Debian and Ubuntu derivatives
To Install Sublime Text Editor in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:


To install stable version add this repository

To install development version add this repository

Now to tistall Sublime Text Editor run these command

Install via Snap:

Available for Debian/Ubuntu/Linux Mint/other Debian and Ubuntu derivatives
To Install Sublime Text Editor in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:


Hopefully you will find it useful!
Wine lets you run Windows software on other operating systems. With Wine, you can install and run these applications just like you would in Windows. Wine enables Linux, Mac, FreeBSD, and Solaris users to run Windows applications without a copy of Microsoft Windows. Wine is free software under constant development. Other platforms may benefit as well.
winehq

Changes:
  • New MSIDB tool for manipulating MSI databases.
  • Support for custom draw buttons in common controls.
  • Many more Media Foundation APIs implemented.
  • Reimplementation of XAudio2 using the FAudio library.
  • Mono engine updated to the latest upstream.
  • More modern handling of iconic windows.
  • Improved handling of kernel objects.
  • Various bug fixes.

Install Winehq 4.4 via Official Repository in Ubuntu 19.04/18.10 Cosmic/18.04 Bionic/16.04 Xenial/14.04 Trusty/Linux Mint 19/18/17 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

That's it
You may be aware of Ubuntu Tweak application, it is great utility but it is no longer in development (discontinued) and developer abandoned this project 4 years ago. The last release was for Ubuntu 14.04 Trusty/Linux Mint 17.x but the latest release also works fine in Ubuntu 16.04 Xenial/Linux Mint 18.x. Ubuntu Tweak was mainly designed to manage Ubuntu system and desktop settings but it can also work in Ubuntu based distributions (some of the features won't work if you are not using Unity desktop). It is easier to use, free and was released under the GNU General Public License (GPL) version 2.
This utility offers many features which you can't find in system and desktop settings options. It lets you change lots of things in your system such as: adding scripts to file manager, running cleaner, change themes, change login screen background and so on.

Features:
  • Change Fonts
  • Change system sounds
  • Change themes and icons
  • Configure login screen (lightdm)
  • Options for Desktop icons
  • Configuration for Unity
  • Workspace settings
  • File Manager settings
  • Add scripts to File Manager
  • Assign default program to file types
  • Source editor
  • System Cleaner
  • and more.

ClipGrab is a free software to download and convert videos from different famous sites of Internet. You can easily save your favorite videos from sites like Dailymotion or Vimeo. And you can convert these videos into "usable" formats like WMV, MPEG or MP3. You can check here which sites are supported by this software.
It can convert videos to WMV, MPEG4, OGG Theora, MP3 (audio only), OGG Vorbis (audio only) or simply download videos in their original format. However, downloading from some sites doesn't allow you to select other format from drop-down menu, it could be issue with site videos.
ClipGrab can download from the following sites: Clipfish, Collegehumor, Dailymotion, MyVideo, MySpass, Sevenload, Tudou, Vimeo and others. ClipGrab isn't limited to the sites listed, because many more sites are supported "unofficially" through the automatic site-recognition of ClipGrab. By the way, ClipGrab can also download HD videos from sites that have support for high definition.

clipgrab
SMPlayer is an open source and free multimedia player available for Linux and MS Windows, released under GNU General Public License. Unlike other players it doesn't require you to install codecs to play something because it carries its own all required codecs with itself. This is the first release which now support MPV and some other features such as MPRIS v2 Support, new theme, 3D stereo filter and more. It uses the award-winning MPlayer as playback engine which is capable of playing almost all known video and audio formats (avi, mkv, wmv, mp4, mpeg... see list).