Hidden gems: These 20 truly useful Windows apps are free, too!

Ferdium for centralizing all the web apps and services you use in one place

Ferdium

If you have a lot of permanently open browser tabs for all the different web apps you use every day, then you can make things easier for yourself by organizing them with Ferdium. (Have you heard of Rambox or Franz? Ferdium is like those except open-source and totally free.)

Ferdium lets you run separate tabs for hundreds of web services, including chat apps (like Messenger, Telegram, WhatsApp, etc.) and social apps (like Slack, Discord, etc.) as well as email apps, calendar apps, media apps, AI chatbots, and more. All of those apps can reside right within Ferdium, letting you consolidate all of that to one place.

I love Ferdium for how it fences everything off into its own app. I no longer have to reach for my phone to check WhatsApp or catch up on Teams notifications or pull up Gmail or Google Calendar. It’s all just one click away on my PC and it’s less distracting overall.

PDFgear for PDF editing, converting, merging, annotating, and more

PDFgear

PDFgear is one of those diamonds in the rough, one that we’ve been evangelizing for a while now. But just because it isn’t as well-known as others doesn’t mean it isn’t an excellent PDF editor.

If you’ve ever been frustrated by how difficult it is to find a high-quality offline PDF editor that doesn’t charge you for personal use, then PDFgear is the end goal you’ve been looking for. This app is super capable at editing PDFs, whether through annotations or direct file editing.

It works with text, images, and graphics. It can merge PDFs together. It can convert PDFs into different file types. It can do just about anything else you’d want to do with a PDF. It even has a built-in AI assistant that can search, summarize, aid with editing, and more.

SitApp for developing better posture

SitApp

If you work or game at your PC for hours at a time, then maintaining good posture and proper back health is something that’s well worth the effort. But maybe all you really need is a gentle prod whenever you start to slouch, in which case you could benefit greatly from SitApp.

SitApp is a useful app that uses your webcam to analyze your posture and detect when you’re slouching — and when you are, the app shows a little pop-up reminder to let you know. It also tracks your posture history so you can compete against yourself to see how long you can maintain good posture. My record is 92% over eight hours. How about you?

BreakTimer for regular break reminders

BreakTimer

If you’re always on your PC, good posture isn’t the only thing to worry about. It’s important to get up and walk around, rest your eyes, drink water, stretch, and maybe even exercise. But it’s easy to forget to do all of that, especially if you lock onto a task or get absorbed into a game.

BreakTimer sits in the background and periodically reminds you to take a break. You can customize the alerts to whatever frequency you want, however long you want the breaks to be, which days you want them to be active on, and more. It’s simple but life-changing — and free!

Mouse Without Borders for using one mouse and keyboard with multiple PCs

Wish you could control multiple computers with one set of mouse and keyboard? One way to do that is to buy a KVM switch and go through the hassle of setting it up. Or you could just get Mouse Without Borders.

Mouse Without Borders is a Microsoft Garage project that was put together by developer Truong Do during his off-hours, and it works fantastically well for controlling up to four PCs with a single mouse and keyboard. It’s not perfect, but it’s quick, easy to use, and entirely free, making it a great alternative to hardware KVMs.

4K Video Downloader Plus for downloading videos anywhere online

4K Download

Lots of video downloader tools have come and gone over the years, useful for when you want to save videos from YouTube, Facebook, and other sites. But most of those tools eventually turn into malware, slow down to a crawl when they gain too many users, or simply die off overnight and leave you dry and forsaken.

On the other hand, 4K Video Downloader Plus works almost flawlessly, stays regularly updated, and doesn’t suffer from malware infections, all in a fast and lightweight package. What more could you ask for?

Foobar2000 for reliable music playback

Foobar2000

Are you in the minority of people who haven’t yet jumped aboard the Spotify train? Do you have a large MP3 collection instead? And are you using Windows Media Player to listen to it? If so, then I have a gift for you: Foobar2000, a simple and lightweight music player.

Windows Media Player has its foibles when it comes to managing large music collections, organizing playlists, customizing the interface, converting between file formats, and offering all kinds of other advanced features. Foobar2000 does it all plus more, and it’s been around since 2002, and it’s been completely free for that entire time.

This streamlined music player went from super popular to obscure over the last decade or so, and these days it’s sort of a hidden gem again. Its interface is barebones out of the box, but it also has deep customization options that let you make it truly your own.

MPC-BE for hassle-free video playback

MPC-BE

Back in the day, there used to be an open-source app called Media Player Classic that was a lightweight yet improved alternative to Windows Media Player for playing video files. MPC ceased development in 2006, but the project has been forked a few times since.

MPC-BE (short for Black Edition) is my preferred successor. It’s still free and open-source, and it still carries forward the streamlined principles that made Media Player Classic so popular. You don’t have to fiddle around with codecs — it just works and it doesn’t bog down your system. It’s one of the best open-source PC apps.

EarTrumpet for controlling volume on an individual per-app basis

Jon Martindale / IDG

If you consistently find that some apps are way too loud or way too quiet even when your system volume seems fine, then you need EarTrumpet. This quick and easy utility lets you individually adjust the volume of any audio source that’s playing on your PC.

From browser windows to social apps, from local audio to online, EarTrumpet gives you fine-tuned control over your PC’s audio output. It can even let you lower the volume of everyone in a Discord chat rather than having to do it one by one.

EPKL for changing your keyboard layout or customizing individual keys

EPKL

Here in the US, nearly every keyboard has the standard QWERTY layout that came out in 1874. But this classic keyboard layout has drawbacks, like inefficient typing and a greater susceptibility to repetitive strain injuries. That’s why people have been moving away from it.

Fortunately, even if you have a QWERTY keyboard, you don’t have to use the QWERTY layout itself. Thanks to EPKL, you can easily switch over to Colemak, Dvorak, or whatever other keyboard layout you want without having to buy a special keyboard.

Alternatively, you can use EPKL to move specific keys around or even rebind certain keys to perform different actions. And if you’re feeling devilish, you can even use it to prank your friends and make them think their keyboard is borked. (Just be sure to let them off afterwards, as this one could stump the less tech-savvy for hours.)

Files for an improved and more effective alternative to File Explorer

Files

Are you tired of File Explorer’s shortcomings? Then don’t delay and install Files right away. This open-source Windows file manager feels familiar yet comes with several advanced features, like dual-pane browsing, tags for files and folders, a better preview system, custom keyboard shortcuts, seamless cloud integration, and more.

Everything for a faster and more powerful way to search your Windows PC

Voidtools

If you feel like the built-in search in Windows is as ineffective as it is monolithic, you aren’t alone. Fortunately, you don’t have to put up with its subpar capabilities.

Everything by Voidtools is a far more capable search tool, able to not only find anything on your system by its name or file type but also by its contents. Content searching takes a lot longer, of course, but it’s super effective — and if you search normally (i.e., by name or file type), it’s significantly faster than Windows’ search.

Cryptomater for encrypting your data, both locally and in the cloud

Skymatic

“Not your keys, not your coins” is a cryptocurrency expression that highlights the importance of protecting your data. If you aren’t careful with your files, you could lose more than you expect — and your personal data is only as safe as you make it.

Cryptomator is a free solution that adds an extra layer of security to your files using encryption. It works with any files, no matter where you store them, whether locally on your PC or online in the cloud. It effectively locks down your data so that even if someone were to gain access, they wouldn’t be able to do anything with what they find.

Fan Control to control your PC fans

Fan Control

If you’re like me, you’ve probably used a number of software fan controllers over the years and always found them unintuitive, underwhelming, or frustrating. If so, then I have some good news for you: Fan Control is a breath of fresh air and the app you need.

This free app gives you straightforward control over all the adjustable fans in your PC, from the rear exhaust fans to the CPU pump speed to everything in between. You can tie fan speeds to various temperature sensors, apply different fan curves and trigger points, and even integrate with third-party software through plugins.

Fan Control’s interface is clean and customizable, but if you need help getting started, the app has an assisted setup that aids in labeling and organizing your fans and their associated sensors.

Microsoft PowerToys for unlocking extra features and goodies in Windows

Jon Martindale / IDG

A worker is only as good as their tools, so why use Windows without making sure you have access to its full potential? There’s something called Microsoft PowerToys, available directly in the Microsoft Store, that freely unlocks new features and goodies.

I’ve written about my favorite PowerToys features that are pretty useful, including improvements to File Explorer, a batch renaming utility, an expanded clipboard, a quick-find tool for your mouse cursor, a color palette helper, and so much more.

Microsoft PC Manager for simplified maintenance of your Windows PC

Microsoft

If might not feel as cool to use as some of the other niche third-party or solo-dev projects on this list, but Microsoft PC Manager is a really effective system maintenance tool.

It helps you free up storage space, track memory usage, monitor system startup time (which you can speed up with some tweaks), and shows you active apps for diagnostic purposes when things are acting up.

WizTree for visualizing your disk space usage and finding large files

Jon Martindale / IDG

With multiple drives full of large apps and files, it can be hard to understand just how much space you have left on your PC and how much each existing piece of data actually takes up. You can also lose space when giant files are forgotten in corners of your drives.

Disk analyzer tools like WizTree are a great way to visualize your system’s data storage, making it easier to understand which apps to uninstall or which files to delete when you need to free up some extra space. It’s fast, effective, and easy to use — as well as being entirely free.

DDU for purging old and unused drivers

DDU

It isn’t easy staying on top of your system drivers. But even if you do keep up with installing new drivers, you probably don’t uninstall your old drivers. Maybe the installer handles that for you… but maybe it doesn’t. Even official uninstallers from AMD and Nvidia can miss them.

That means you could have a bunch of old drivers still lingering around on your PC, and when old driver files build up over the years, they can rear their heads at unexpected times and cause stability issues.

Most full-blown driver uninstaller tools, like Driver Magician, cost money. But there is one that’s totally free: DDU, which stands for Display Driver Uninstaller. This straightforward utility strips your PC of unused graphics drivers, which can come in handy if you’re running into graphics card issues that are seemingly impossible to troubleshoot.

HWMonitor for checking the health of your PC and internal hardware

Jon Martindale / IDG

Want to keep an eye on your PC components and their general health? You can quickly spot overheating, performance issues, or other odd details with either HWMonitor or HWInfo.

Both tools are fantastic for monitoring your PC’s various hardware components and how they’re working. HWMonitor is simpler and easier to get to grips with, while HWInfo is more advanced with a more comprehensive overview of PC stats.

If you’d rather just keep an eye on the temperatures of your processor and its cores, check out the ultra-lightweight Core Temp.

Parsec for streamlined remote desktop access and control from anywhere

Have you ever wanted to use your PC remotely? I mean, even when you’re away from home, it’d be great if you could “remote in” to your PC and use it from anywhere, right? With remote desktop software, you can!

Most remote desktop solutions are paid, and the free ones usually aren’t very good. But these days we have Parsec, a remote desktop tool that was originally built to allow for remote gaming but has since expanded to become a low-latency desktop sharing app.

In layman’s terms, you can use Parsec to connect to your PC and operate it like you’re there, except you aren’t. It’s equally great for working on your hobby coding project during your lunch break as it is for playing your Steam games from a hotel while traveling.

Parsec has a free Personal Use version that doesn’t come with all features, but it does have all the essentials: low-latency 60FPS desktop streaming; support for keyboards, mice, and gamepads; and encrypted connections.

Further reading: Great free apps that are already installed on your PC