General Flash Drive Apps

Free USB Microscope Software: ImageJ is an open source, and highly versatile image processing and analysis software. While it's not specifically designed for USB microscopes, it can be used for this purpose by capturing images from your microscope and analyzing them with its powerful tools.

Free Mind is a Free Open Source Mind Mapping tool. This high productivity brainstorming app allows users to create visual diagrams to organize, brainstorm and structure new ideas. The software was designed to be intuitive and easy to use, making it a popular tool for students, educators, and professionals alike.

Country Codes is a lightweight and portable lookup tool that can be used to find country code information for over 250 countries worldwide. It provides a broad range of standardized geopolitical, telecommunications, and internet-related data in a compact, easy-to-reference format.

Available country code data includes Continental Location, Top Level Domain (TLD) Code, ISO numeric code, ISO Alpha-2 and Alpha-3 codes, IOC Code, FIPS 10-4 Code, Currency Code, International Dialing Code, National Direct Dialing (NDD) Code, International Direct Dialing (IDD/IDDD) Code, Language Abbreviations, and national Flag indicators.

DJO Portable Recipes is a free and lightweight portable recipe manager created by the DJOPAD project. This recipe database software allows you to store, manage, and modify your favorite recipes without the need for installation. It's completely portable, meaning you can take it with you on a USB flash drive and use it on any Windows PC.

PacBot Answers is an Artificial Intelligence Prankware Bot created by Pijush Wares. It can be used to trick people into thinking the tool knows the answers to any question it is asked.  The Answer is hidden in the petition! You then pretend to be asking PacBot a question that you already know and have given it the answer to. Essentially fooling your friends into thinking the tool knows the answer to every question it is asked.

Birthdays is a Birthday Tracker Application created by Skwire Empire. It can be used to help keep track of birthdays via a calendar. You simply right click within a given month, select Add Birthday and enter the Name, Month/Day/Year of the person who's birthday you would like to keep track of. The check boxes might be used to signify that you have acknowledged a birthday (sent a gift, card, or simply said happy birthday to the recipient).

Desktop Snow OK is a freeware portable program created by Nenad Hrg. It can be used to Add Falling Snow to a Windows desktop or background. It's kind of like a Snow Screensaver or  Snow Wallpaper. Options include the ability to select from different snowflakes, number of snowflakes, speed of falling snowflakes, transparency of the snow, and deactivation options via mouse events/keys. Once run, Desktop Snow OK is minimized to the task bar.

ExeInfo is a freeware executable information tool that allows users to view detailed information about binary files such as .exe, .dll, .ocx, and drivers. It provides insight into file metadata, including author, file size, creation/modification dates, executable format, header information, and more. This tool is useful for developers, system administrators, or anyone who wants to inspect executable files for security, compatibility, or troubleshooting purposes.

Free Time Tracker is a Portable Time Tracking Tool created by Kviptech. Record or track how much time is spent at the computer on related activities. Applications are grouped into categories and the percentage of time spent on each is charted for reference. Could be used as a time card to monitor productivity.

ClipCube is a Free and Portable Clipboard Recorder or Clipboard Capturing Utility that can be stored and run entirely from a USB Drive. Once launched it resides in the system tray, keeping track of all text that has been copied to the clipboard. ClipCube boasts a very simple interface.

OSForensics is a versatile and lightweight digital forensics toolkit developed by PassMark Software. It enables IT professionals, investigators, and forensic analysts to recover and analyze data from computers and storage devices. With built-in features like file recovery, system profiling, timeline analysis, and registry examination, this forensic software provides a comprehensive solution for digital investigations.

SolarInfo Solar System Information is a Free and Portable Tool created by Jan Horn. This neat tool can be used to provide planetary information regarding the planets and moons in our solar system. Information such as distance from sun, size, mass, gravity, temperature, and length of a day/year.  A real selectable 3d rotating image of each planet is also displayed.

Stellarium is free astronomy and planetarium software that allows you to gaze at a realistic 3D view of the sky, planets, and stars by select location. There is a portable wrapper for the tool that was created by John Haller. This portable wrapper enables you to take this portable observatory or planetarium with you on removable media such as a USB flash drive. Enabling you to view the universe while on the go.

Last.FM Downloader is a tool created by run.to/sz that can be used to download streaming songs similar to what you're listening to on the Last.FM streaming music service. Key features of the Last.FM Downloader include; records or saves streamed songs as MP3 files in the destination you choose, ability to stop or skip downloads, and change the listening URL.

Free Stopwatch is an entirely free and portable stop watch software. It can be used to measure (in 0.01 second increments) time intervals in hours, minutes, seconds and milliseconds. Simply press start to begin counting time and stop to end counting time. A lap button is also available for those that need to record lap time during a session. Recorded time can be saved to a file as well.

TinyTask is one of the most popular macro recorder for games currently available on the free market. It is easy to use and has a wide range of features that make it ideal for gamers who want to take their gaming experience to the next level. Use it to easily record mouse movements, clicks, and keyboard keystrokes and then replay them, allowing you to automate complex tasks in portable games with ease.

Clipboardic is a nifty little tool created by Nirsoft, that can be used to keep track of your Clipboard activity. It works by automatically recording Clipboard data and saving it to a Windows clipboard file (.clp). If you need to recover clipboard history, you simply select the clipboard file, and Clipboardic will display the items or information that was gathered.

USB Port Blocker is a USB Port Blocking Software Tool created by Al Emran Tareq. It can be used to Disable or Block the USB Ports of a PC from being accessed by unauthorized users. USB Port Blocking can be turned On or Off via a password you set (rebooting is necessary). Useful when you do not want friends, students, employees, etc to have access to the usb ports of a given PC.

SE Desktop Constructor is a Free desktop wallpaper, clock and, calendar tool created by SE-Soft that can be stored and run from a USB Flash Drive UFD. SE-Desktop can be used to setup and automatically change your desktop background wallpaper, add desktop clock or calendar using presets and more.

Balabolka is a Portable and Free Text To Speech (TTS) Software. It can be used to read text on screen out loud using the voices of Microsoft's built in Speech API (SAPI). Balabolka can read the text from clipboard content, DOC, EPUB, FB2, HTML, ODT, PDF and RTF files. On screen text can be read and then saved as WAV, MP3, MP4, OGG or WMA audio files.

Clicky Gone Portable is a Free and Portable Window Hiding Tool created by Alan Howie. It can be used to instantly hide select active windows or all open windows from view. For example, Clicky Gone might be used when someone walks in on you to quickly hide running programs or open browser windows. Features include Boss Key Mode, Toggle Hide/Show All Windows, and many other customizable key combinations.

gPodder is a Free and Portable Podcast Downloader (Aggregator) created by Thomas Perl. It can be used to keep track of and download free Podcasts from the Internet. Downloaded Podcasts are stored in the downloads folder and can be watched whenever you choose.  Options are available to add subscriptions, check for new podcast episode updates, Podcast Player, and much more.

Predator is a freeware USB PC locking tool for Windows that turns a USB flash drive into a secure key. It locks your computer automatically when you walk away and take the USB stick with you (use USB to lock Computer), protecting your data from unauthorized access. When you return, simply plug the USB drive back in and enter your password to regain access.

24x24 Free Button Icons is simply a compilation of Freeware icons created by Aha-Soft that can be used for personal or commercial use (see the readme in the zip for more info). Although not a portable app, you never know when these Icons might come in handy for an application or website. This is a nice simple set of icons that you can bring with you on your USB device and use when the time arises.

Celestia Portable is a stand alone version of the popular Celestia interactive space simulator program. Unlike most planetarium software or astronomy software, this utility enables you to explore the solar system and universe in 3d (three dimensions). Addons are available from the Motherlode allowing you to customize to suite your needs.

NexusFont is a Free font manager for Windows. This Font Manager provides a way to view, compare, and completely manage your fonts. It can be used to compare many font styles in one window, rename fonts, locate duplicate fonts, install or uninstall fonts from windows, print fonts, export font images and much more. The tool is multilingual an supports many common languages.

Drive Manager is a free stand alone portable drive info utility. It can be used to display, identify and manage your hard drives, CD/DVD drives, removable USB flash drives, and USB hard drives. From capacity and firmware revision to serial number and product ID, Just about everything you need to know about your drives is available. Other features include the ability to unhide or hide drives, map drives, create remove or substitute drive letters and more.

Windows 7 in a Box is a Portable Application that attempts to puts an end to the frustration and seemingly endless searching for Windows 7 system settings and applications. This Portable Desktop Companion condenses hundreds of tools, functions, settings, folders and applications a user might find in the Windows operating system and organizes them in one easy to navigate tool.

How Do You Encrypt Notes? If you've ever wanted a simple way to secure your private notes, The Letter Encrypter is a free and portable encryption tool that makes sending secret text messages fast and easy. With just a password and your written text, you can instantly transform your message into secure encrypted text that can only be unlocked with the correct password.

PhraseExpress is a Free Portable Autotext Software (TextReplacement Utility) that can be used to organize, store and manage frequently typed text snippets (Snippet Manager) and then replace text or auto suggest text as you type (text input suggestion). Phrase Express might be used to correct typos, spelling or grammar errors, expand abbreviations, store and retrieve web links or even as a macro tool to launch applications.

The Guide is a Free Portable Application that allows you to categorize  information in a hierarchical, tree type structure. Working much like the Help Menus or Help Guides used in common applications, the tree like organization structure could be used to create custom guides, help menus, books and more using parent level topics with child level pages. The Guide utilizes a rich text editor allowing you to modify the format and style of the text.

Universal Viewer is a free advanced portable file viewer that enables users to open and view a very wide range of file formats without needing the original applications installed. It supports text, binary, hex, Unicode, images, multimedia files, and even common document formats, making it a powerful all in one viewing utility.

Supported file formats include: Text, Binary, Hex, Unicode (unlimited size), RTF, UTF-8 encoded text, BMP, JPG, GIF, PNG, TGA, TIFF images, AVI, MPG, WMV, MP3 media files, HTML, XML, DOC, XLS, and many more. Most importantly, Universal Viewer is fully portable and can be stored and run entirely from a USB flash drive without installation.

Tiny Spell is a free, lightweight, and portable spell checker for Windows that works system-wide across virtually any application. It can monitor your typing in real time, detect misspelled words on the fly, and notify you instantly. In addition to live spell checking, Tiny Spell can also check the spelling of copied clipboard text, making it a convenient utility for everyday writing tasks.

Auto Timesheet is free Time Tracking Software also known as Time Logging Software that can be used to track and log time spent working on sites, files or applications. Auto Timesheet works by  monitoring the applications running on a computer and gathers information about the amount of time a user spends on each application, file or website. The tool and it's time logging information is great for tracking time spent working on a project or task and could even be used as a time card for project time management.

Random Names is a Free portable tool that can be used to randomly select a set number of baby names. It contains a database of over 7800 total names. 4900 daughter names and 2900 son names. So if your indecisive on a name for your baby, this tool may be just what you need. Random Names requires roughly 188KB for completely portable installation.

Aciqra is a free Portable Planetarium Software that can be used to display a virtual real time, history or future view of the day or night sky from your location. The virtual view displays the planets, stars, comets and other minor bodies along with their coordinates and phases. Usage of the software is easy and requires little to no knowledge of astronomy to use.

SysExporter is a compact tool that enables you to export data such as files inside a folder or compressed archive, Windows event logs, Outlook email and contact information, registry values and more from just about every application that might be running on your PC. The data can be exported to a text, HTML or XML file. This tiny application requires roughly 64KB for stand alone portable installation.

Blender Portable is an Open Source 3D Creation Software created by Blender that can be stored and then run directly from a USB device. Portable Blender is an advanced graphical creation tool that enables users to render, animate, shade, composite, model, and create all kinds of amazing and cool 3D graphics and animation effects.

XMIND Portable Mind Map is popular open-source mind mapping software. This easy-to-use and intuitive application is commonly used for brainstorming sessions, personal mind mapping, or capturing knowledge and ideas for projects and project management. The information within a chart or map can be shared online, shared internally, or kept as a personal mind map.

Yadabyte Subtext is an Open Source portable application that enables users to create portable text shortcuts for commonly typed words or phrases. Those words or phrases can then be automatically retrieved by simply typing the shortcut you have tied to the text.

PureRa is an Open Source portable file cleanup tool. It can be used to remove files from your computer that many other cleaning programs overlook. The tool can help you retrieve valuable space and will attempt to repair or remove files that tend to reappear. Config.msi, Desktop.ini, Iconcache.db, .sqm-files, and Thumbs.db are just some of the files that can be cleaned or removed by PureRa.

iWisoft Flash SWF Downloader is a Free tool that enables you to download SWF files from a website. The SWF download tool could be used to grab embedded Flash Games, Flash Animations, Flash Movies and more. Simply paste the URL into the address bar and click Download. The SWF Downloading software will then locate and download all SWF files from that page. The tool also comes with it's own preview window, so you can test the files you have downloaded.

Furniture Volume Calculator is a simple yet effective tool used to calculate how much physical space (volume) furniture and household items occupy. It measures volume in cubic meters (m³) or cubic feet (ft³), making it especially useful when planning a move, renting storage space, or estimating container size for transportation.

This volumetric calculator helps eliminate guesswork by allowing users to accurately determine how much space their furniture and belongings will require, ensuring they choose the right moving truck, shipping container, or storage unit.

An alphanumeric or name to phone number converter is an excellent tool to help your business stand out. By using a name based phone number, you make it easier for customers to remember your contact information, allowing them to recall and dial your number effortlessly. With this tool, you can convert a name into a unique phone number, making your contact details memorable and accessible.

Qwix is a Xbox remote ISO file management and ISO creation tool. It enables PC users that also own an Xbox to easily upload ISO files from a PC to their Xbox. It can also be stored and run portably from a USB flash drive eliminating the need to install it onto a computer's local hard drive.

PSPad is a simple text and code editor that can be run portably. It's a great tool to add to your collection if you spend any time editing or writing code. PSPad can be used to edit or create many types of code, catch and parse compiler output, author webpages, compare code versions, and more. It even allows a user to browse and edit files directly from an ftp server without having to download the file. PSPad also includes a spell checker and dictionary downloads based on language.

AM-Notebookis a portable application that allows you to create notes, encrypted notes and spreadsheets, access your address book and more all using one single tool. It also utilizes a built in alarm clock that can be used to notify you of important events. It can be installed to a USB device such as a flash pen drive and once launched, AM Notebook can be accessed directly from the system tray (near the clock).

HoverSnap is a nice little stand alone Screen Snapshot tool that allows users to take pictures of their desktop and manipulate the output format of the Screen shot. It supports captured full screen, active window or custom area Snapshots. It can be stored and run directly from a removable device such as a USB drive.

Eigenmath is basically a Portable MatLab. This tool can help aid in solving algebra and calculus problems through the manipulation of mathematical expressions in symbolic form. It includes many mathematical functions, it has graphing capabilities and also supports scripting.

Portable Webcam is Free, Simple, Fast, and Ready to Go! Need quick access to your web camera attached to a computer without installing bulky software? Portable Web camera Viewer might just be the perfect tool for you!

OpenOffice Portable: A Comprehensive Free Office Suite for All Your Productivity Needs. This open source office suite offers users a full featured, free alternative to traditional office software. Created originally by OpenOffice.org and later packaged for portability by John Haller of PortableApps, it allows users to carry their office software on USB drives or other portable storage devices.

What Changed: Portable Utility for Tracking System Changes. This lightweight, portable utility designed to detect changes and track modified files and registry entries during software installation. It's an essential tool for monitoring the impact of new software on your system, particularly for power users and developers who need insight into file and registry modifications.

Rapid Typing is free typing speed test software. This keyboard training tool can be used to test and sharpen your typing skills or simply help you learn to type. Helping you improve both your typing speed and accuracy.

NM Collector JE Lite is a Portable Freeware Collection Software, a collector's dream for organizing and managing collections on the go. This versatile database application is designed for collectors of coins, stamps, firearms, knives, swords, and just about anything else you can think of.

Virtual CD ROM is a Virtual CD ROM driver utility originally created by Microsoft. The tool allows users to mount ISO disk images and access them through an emulated CD-ROM drive, making it possible to run software distributed on optical media without requiring a physical CD or DVD drive. This was especially useful on computers that lacked optical drives but still needed to access installation media, software archives, or recovery discs stored as ISO files. For technicians and advanced users, it was once a handy portable style utility to keep available when working on systems without CDROM hardware.

Windows in a Box is neat little portable program created by bigdaddy design, that condenses hundreds of typical Windows functions, settings and applications a Windows operating system user might use, run and adjust on a daily basis. This Portable Desktop Companion attempts to puts an end to the frustration and seemingly endless searching for system settings and applications.

Dexpot is a free (for personal use) Windows utility that lets you create and manage multiple virtual desktops. With support for up to 20 customizable desktops, unique wallpapers and settings per desktop, and stunning 3D transitions via the DexCube plugin, it helps organize your workflow and reduce desktop clutter. Whether you're a developer, multitasker, or designer, this tool adds serious power to Windows desktop management.

ZoomIt is a Free Portable Application that can be used as a replacement zoom tool for Windows. This screen  zooming tool functions much like like the Mac OS X zoom tool but was designed for Windows Operating Systems.

Xinorbis is a powerful and portable hard disk analyzer developed by Paul Alan Freshney. This free disk analysis tool allows users to explore the contents of a hard disk, USB drive, network drive, or any directory in detail. It provides comprehensive information about disk structure, file composition, and storage usage, and generates reports that can be exported in HTML, XML, ASCII, and CSV formats. Reports can also be compared to monitor changes over time.

Quitter is a Portable Twitter Client that can be used as an Alternate Twitter Client. Providing an alternative method to access Twitter and do your tweets, Quitter is a quiet Twitter Client that doesn't announce itself to the entire cube farm. Quitter allows you to read - post - reply and retweet, organize and read tweets by group, Use URL shorteners like TinyUrl for tweeting, send and receive direct messages and follow or unfollow other users.

ByteWasher is a Free File Cleanup Tool. This portable utility can be used to Remove Temporary Files, Remove Recent Documents, Delete Thumbnail Cache and clean up other unnecessary clutter. ByteWasher is tiny and makes for a nice portable file cleanup utility to add to your arsenal.

Yod'm 3D (Yet Another Desktop Manager 3D) is a lightweight, portable 3D desktop cube tool for Windows. It brings a Compiz-like cube rotation effect to Windows XP through Windows 7, letting you flip between up to four virtual desktops in a stunning 3D cube layout. Though now discontinued, it remains a favorite among fans of visual desktop switching, and can still be run portably from a USB flash drive or external hard disk.

gMote is a Free Macro tool that enables a user to control their computer using Mouse Gestures. The scribbles you create with your mouse become shortcuts to frequently performed tasks. Once a mouse gesture has been created, you can perform the specific task by scribbling the gesture with your mouse on screen. For example gMote gestures might be used to Start Programs, Visit Web Sites, Launch Media Player, Check Email, Restart your Computer... the list is endless. gMote can do anything your keyboard can.

USB Disk Ejector is small and effective tool that allows a user to quickly remove USB devices in Windows. It has the ability to eject any USB device for safe disconnection from the system. USB Disk Ejector can be run from it's simple yet intuitive GUI or via a command line. USB device disconnection in Windows XP or Vista is fast with nearly no wait time. This application requires only 500KB of free disk space for installation.

Day Text Converter is a simple Free Portable Text Conversion tool that enables you to Convert Text to all lower case or all upper case letters (Convert Upper Case to Lower Case and vice versa). Convert complete sentences or paragraphs on the fly without having to rewrite. Usage is easy. Simply paste the text into the original text box and then copy the text from the upper case or lower case output boxes.

Marxio Login Logger is a invisible Login Tracking,  Login Viewer and Login Logger application that allows you to track who was using your computer while you were away. The Login Tracker records the time a user logged into the computer and when the user logged out. The application could also be used as a sort of time card, enabling you to keep track of when you started and finished a project.

Marxio Timer is a powerful portable Macro program that can be used to launch Scheduled Tasks. Tasks such as turn off or restart computer, logout user or lock workstation, hibernate or suspend computer, display text or play sound, run or close a program or process, send or press selected key combination (Macro), click mouse at selected coordinates, take desktop screenshot and much more.

Time Recording Easy is a Free portable Time Tracking Software for Project Time Management. This handy tool helps you keeps track of the time it takes to complete projects. To use the Time Recording Software, begin by creating a project. Then choose your project from the drop down list and click start to begin tracking your time.  When you have completed your project, click stop. Pause is also available. The project time overview button lists your projects and the time it took to complete them.

EjectUSB is a simple free portable utility that can be used to quickly close all running programs from a USB device and then eject the drive for safe removal. The utility will automatically attempt to close all running applications on the drive it was launched from.

Commands In Demand is a Portable Windows Commands Shortcut Tool created by Vasilis Stamatopoulos. It can be used to quickly access commonly used essential Windows Commands and Settings via easy to use structured navigation. Quickly access over 120 different Windows Commands,  Features, and Settings that are normally buried within Windows, all from one simple tool.

Read CSV files the way they were meant to be read with DiamondCS's portable and free CSV Viewer. Unlike reading CSV files with a text reader, CSV Comma Separated Values are displayed with CSView in an easy to read and understand format. Each line in a CSV file represents a row, and each column of data is separated by a comma. CSView is tiny 37KB, Freeware, Portable and easy to use.