Best Free Software for Linux: Page 3 of 10

Best Free Desktop and System for Linux

Best Free Cleanup and Tuning for Linux

BleachBitBleachBit , a system tool allows you to preview and delete unnecessary files to free up your valuable disk space, maintain privacy, and remove hidden junk. It deletes cache, cookies, Internet history, logs, temporary files, broken shortcuts, and wipes clean 70 applications and more.


GtkOrphan , an orphaned libraries remover to analyse the status of your installations, looks for orphaned libraries and adds package-removal capability. A GUI front-end to Deborphan for Debian systems.


Best Free Color Picker for Linux

gcolor2 , quick and easy to pick a color, supports HSV, RGB and HTML codes with an opacity slider, color grabber, allows for naming and saving picked colors. (Review)


Recoll , an open source program and a powerful tool allows you to search instantly most common document types, emails and their attachments after indexing your home directory by default. You can configure additional areas for indexing and install supporting packages to include file types that are not indexed natively by the tool as well.


Best Free Font Manager for Linux

FontmatrixFontmatrix is the largest and most complex application and runs on a wider range of platforms with more high-end features. Some of these features are not available in any of other programs.

You can activate fonts in tagged groups, view many sample texts in many languages, classify fonts using PANOSE, view and compare glyphs, find a font from a raster, extract fonts from PDF files, and test layouts in a free-form playground. (Review)


Font Manager allows you to easily manage fonts installed in your Linux system. You can preview and compare installed fonts, activate and de-activate installed fonts, install new fonts or remove existing fonts, group fonts into collections and export them to an archive for backup and sharing.


Best Free Grub Customizer for Linux

Grub Customizer , a graphical user interface to re-arrange, rename or hide boot menu entries, set a default operating system to boot on a multi-boot device, customize the appearance as well as adjust other settings of Grub (GRand Unified Bootloader).


Best Free Program Launcher for Linux

Launchy , a top product in the keyword search class, easy to understand, simple to configure, extend and use. It's open source and has a really small memory footprint. You can use it not only to launch applications, but also run your media player with a specific MP3 file, have your browser open on a specific bookmark and more. (Review)


GNOME Do , type and search the items on your computer or on the web and the program helps you perform the tasks directly and quickly with suggested actions to take. A large set of official and community plugins are available for making the program more powerful with even more task varieties.


Cairo-Dock , a pretty and light program allows you to launch your applications right away from the dock on your desktop, supporting useful features such as multi-docks, applets, themes and various settings to change the appearance and behavior of the program to your liking.


Best Free Screen Capture for Linux

ShutterShutter is like a swiss army knife for all screen capture tasks in Linux. It works better than Gnome-screenshot and KDE's KSnapshot.

You can use this program to capture desktop, window, child window and rectangular area, with many plugins for resize and special effects, delay capture, activate/deactivate window border and cursor, inbuilt drawing tools, linked to external editor and auto save. (Review)


Best Free Screen Session Recorder for Linux

recordMyDesktop , an easy-to-use and effective recorder to make screen recordings into free Ogg video format. It also offers the ability to record audio through ALSA mixer or other options. The frontend program gtk-recordMyDesktop and the ALSA mixer can be downloaded from some depositories including Ubuntu Software Center.


Best Free System Information Utility for Linux

I-Nex , similar to the application CPU-Z for Windows, gathers and displays information for hardware components on your system, including CPU, GPU, Motherboard, Audio, Drives, System, Linux Kernel, Memory, Network and USB devices plugged in. It also allows you to generate a report of the info and take a screenshot of the I-Nex window.


Best Free System Tools for Linux

PySDM , a Storage Device Manager allowing for full customization of hard disk mountpoints and creation of rules for dynamic configuration of storage devices. See also Auto Mount Drives at System Startup.


CCSM (CompizConfig Settings Manager) , a useful tool to configure the many plugins included in Compiz and Compiz Fusion for advanced desktop effects settings.


Best Free Wallpaper Changer for Linux

WallyWally , a good wallpaper changer allows for wallpaper positions to set to centered, tiled, center tiled, centered maxpert, tiled maxpert, scaled, center auto fit or scale and crop.

The program supports features such as time intervals, selecting images from local folders or online resources, displaying images' EXIF data in system tray tool-tip, saving downloaded photos and run-time folder change detection. (Review)


Variety is an open-source wallpaper changer packed with a variety of great features, such as automatically fetching wallpapers from your favorite folders or online sources, applying filters to the displayed wallpapers, matching wallpapers with color and size, showing random wise quotes and a configurable digital clock on the desktop. You can set Variety to change wallpaper on start or every fixed time interval.


DesktopNova , change your desktop wallpapers automatically based on a list of image files you've added, or even better, based on a list of folders and subfolders containing your favorite images. With this application, you can set wallpapers to change upon each login session or at every fixed time interval to your liking.


Webilder , rotate your wallpapers automatically from your collection at a time interval you set, and download new photos from Flickr or Webshots to your collection using tags or image type. Settings are available for different desktop environments such as GNOME3, GNOME, KDE and Xfce.


Best Free Windows API for Linux

Wine allows for running Windows applications on Linux and other operating systems, but without a copy of Windows. It's still under active development and not every program works yet.


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pulseaudio-equalizer is a multiband audio frequency equalizer; a super tone control. It needs to be on your multimedia page because it took me 2 hours to find it. You can install it in Debian variants (I have Mint 17.1) by cuttin' and pastin' this into a terminal:

sudo add-apt-repository ppa:nilarimogard/webupd8
sudo apt-get update
sudo apt-get install pulseaudio-equalizer

The whole sad story of why it's missing from distros is here:

"... Fifth is a Linux-exclusive browser that carries the best features from Opera, as well as a few unique features that are likely to please Linux power users. It's based on a custom Webkit port to FLTK and comes licensed under the GPLv3 ...": NetRider Browser - WebKit based with FLTK GUI:
"... Quassel IRC is a modern, cross-platform, distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core -- much like the popular combination of screen and a text-based IRC client such as WeeChat, but graphical ...":
docker-rpm-builder - build native RPM packages by leveraging docker capabilities:
"... FossaMail is a free, open source, mail, news and chat client for Microsoft Windows and Linux (available in both 32-bit and 64-bit versions) based on Mozilla Thunderbird. It is a re-build of Mozilla Thunderbird ESR (Extended Support Releases) that has been optimized and reconfigured by the same developer behind Pale Moon browser ...":

Evo/Lution an installer that installs Arch Linux with no additions or alterations.

Pulsar is an torrent finding and streaming engine:
Pterosaur gives you the full power of Vim and your vimrc in each Firefox text field: "... Ever wanted to easily preview what your markdown would look like exactly on Github? Ever wanted to do that from inside of a Terminal? Well this Gem is for you. Dead simple. Never get caught writing ugly markdown again ... Octodown uses the same parsers and CSS that Github uses for their markdown rendering. Github markdown styling looks beautiful, so it is Octodown's primary goal to reproduce it as faithfully as possible ...":
"... SLURM is an open-source resource manager designed for Linux clusters of all sizes. It provides three key functions. First it allocates exclusive and/or non-exclusive access to resources (computer nodes) to users for some duration of time so they can perform work. Second, it provides a framework for starting, executing, and monitoring work (typically a parallel job) on a set of allocated nodes. Finally, it arbitrates contention for resources by managing a queue of pending work ...":
OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information:
"... The virt-manager application is a desktop user interface for managing virtual machines through libvirt. It primarily targets KVM VMs, but also manages Xen and LXC (linux containers). It presents a summary view of running domains, their live performance & resource utilization statistics. Wizards enable the creation of new domains, and configuration & adjustment of a domain’s resource allocation & virtual hardware. An embedded VNC and SPICE client viewer presents a full graphical console to the guest domain ...":
"... Mibibli's Quest - It's been called "Mega Man + Space Funeral," and that's probably as good of a description as anything I could come up with. It includes over 20 painstakingly-made levels each with their own themes, enemies, bosses, and gimmicks ... but it's a Flash game so if you're on Linux then you can download either non-Linux package and just open the .swf file using Flash Player ...":
"... TMSU is a tool for tagging your files. It provides a simple command-line tool for applying tags and a virtual filesystem so that you can get a tag-based view of your files from within any other program. TMSU does not alter your files in any way: they remain unchanged on disk, or on the network, wherever you put them. TMSU maintains its own database and you simply gain an additional view, which you can mount, based upon the tags you set up. The only commitment required is your time and there's absolutely no lock-in ...":
lighthouse - a scriptable popup dialog:
"... Gotalk exists to make it easy for programs to talk with one another over the internet, like a web app coordinating with a web server, or a bunch of programs dividing work amongst eachother ...":
SWATd lets you configure 'sensors' that check your PC's external environment. When enough sensors 'fail', SWATd will run a script for you:
"... libguestfs is a set of tools for accessing and modifying virtual machine (VM) disk images. You can use this for viewing and editing files inside guests, scripting changes to VMs, monitoring disk used/free statistics, creating guests, P2V, V2V, performing backups, cloning VMs, building VMs, formatting disks, resizing disks, and much more ... libguestfs can access almost any disk image imaginable. It can do it securely — without needing root and with multiple layers of defence against rogue disk images. It can access disk images on remote machines or on CDs/USB sticks. It can access proprietary systems like VMware and Hyper-V ...":
"... Pygments - a generic syntax highlighter suitable for use in code hosting, forums, wikis or other applications that need to prettify source code ...":
"... Naut - Is there life on Mars? Wander around, drive through the desert, hear what the cosmos has to tell you ...":
Rage is a video and audio player written with Enlightenment Foundation Libraries with some extra bells and whistles: Navi-X is a "content aggregator" app that streams multimedia content on the internet from a public directory of user contributed links and site scrapers on to your TV, PC and mobile devices: wtftw - a tiling window manager written in Rust: UNTV is a cross platform DRM-free media platform for home theater computers: Showtime is a media center primarily intended to be used directly on a TV: KShutdown is a graphical shutdown utility: Dolphin Folder Color - extension for Dolphin file manager that lets you change the coloring of your folders: Whisker Menu is an alternate application launcher for Xfce: QMPlay2 Media Player: budgie - a GNOME3.10 media player written in C: Fresh Pepper Player is a a wrapper package which uses Google Chrome’s Pepper-based Flash plugin in Mozilla Firefox: freetuxtv - the goal of this project is to create a WebTV player, working on the Linux platform: ScriptCommunicator - send and receive data with several interfaces:

I have used several serial terminals before. But ScriptCommunicator is the best I've ever used. Because of it's script interface it's extremly flexible and powerful.

"... I-Nex is an application that gathers information for hardware components available on your system and displays it using an user interface similar to the popular Windows tool CPU-Z ...:"

i-nex gives an impressive amount of hardware information displayed in an easy to read format.
I couldn't install the stable version on Mint 17.1 because of dependencies, but the daily version installed and ran well.

Thanks Panzer for the various suggestions. I-Nex has now been added to the list.
"... Drake is a simple-to-use, extensible, text-based data workflow tool that organizes command execution around data and its dependencies ...": blessed-contrib - build dashboards (or any other application) using ascii/ansi art and javascript: