The Portable Freeware Collection

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[UPDATE] QOwnNotes v19.4.3

QOwnNotes is a text editor / notepad replacement with markdown support and todo list manager. The program supports themes, keyboard shortcuts, syntax highlighting and encryption. Includes available nested file list, tags, search and more. Optionally works with the notes application ownCloud or Nextcloud.

Cross-platform with clients available for Mac and Linux.

[UPDATE] Q-Dir v7.51

Q-Dir is a quad-pane file explorer that supports favorites, file/color filtering, export to XLS/CSV/TXT/HTML, screen magnifier, quick preview etc.

Alternately, Q-Dir Portable at PortableApps.com automatically switches between 32/64-bit and is approved by the publisher.

[UPDATE] calibre v3.41

calibre is an e-book library management application with a variety of useful functions including device-specific e-book conversion, news download and conversion, viewer and content server for online access to your collection.

The program syncs automatically with many different physical devices. It supports a variety of e-book formats, as well as e-books contained in RAR and ZIP archives.

Cross-platform with clients available for Mac and Linux. Alternatively, X-calibre is stealth and automatically adjusts paths. A WinXP-compatible version is available.

[UPDATE] Windows System Control Center v4.0.0.3

Windows System Control Center (WSCC) allows you to install, update, execute and organize the utilities from various system utility suites. The program either works as an interface or as downloader. The program can work with both utilities suites downloaded or can dynamically grab and run the programs via a web connection. The included Update Manager can check for newer versions of the utilities already installed and can download and install the missing items.

Works with Windows Sysinternals and NirSoft Utilities suites, but also highlights Windows' own utilities.

Note: The setup packages are downloaded from the author's website.

[UPDATE] Inviska Rename v6.0

Inviska Rename is a flexible, feature-rich and easy-to-use file rename tool that can give meaningful names to groups of files and folders. The program can be used for renaming music files from tags, replacing photograph names with more useful names, renaming photos from Exif tags and more. The program supports Unicode and offers a wide list of renaming methods, automatic preview and undo.

Cross-platform with Linux and MacOS versions available.

[UPDATE] AllDup v4.3.2

AllDup removes duplicate files from one or multiple directories and includes a preview function using Windows own tools (IE, MediaPlayer and WordPad). Can find duplicates by file name, file extension, file content, file dates, file attributes. The software can also scan ZIP or RAR archives (with an optional file size limit) and filter file types and/or folders.

[UPDATE] Opera v60.0.3255.56

Opera is a fast and secure web browser with tabbed, customizable interface. Features integrated searches, themes, device sync, mouse gestures, and built-in ad blocking. Also available is a service that includes a bookmarks and password sync along with an "off-road" mode that uses server-side compression to speed up browsing especially for low speed internet connections (account signup required). A variety of add-ons are available to extend functionality.

Based on Google Chrome, the program is available for Mac, Linux, Android and a variety of mobile phones and tablets. Opera v12 (Presto) is also available and includes many features not present in the newer version.

Alternative Portable versions:

[UPDATE] Mp3tag v2.95

Mp3tag views, edits and filters metadata for common audio formats. Information can be manually added, removed, imported and exported to a variety of formats. The program supports online freedb database lookups for selected files, allowing you to automatically gather proper tag information for select files or CDs. It can also rename files based on the tag information, replace characters or words from tags and filenames, import/export tag information, create playlists and more.

The program can even generate playlists from provided audio files. Supports ID3, Vorbis Comments, APE, MP4 and TAK Lossless.

[UPDATE] HashMyFiles v2.33

HashMyFiles is a small utility that allows you to generate unique file identifiers (hashes) using a variety of popular checks. These can help determine if a file has been modified or corrupted, as well as help determine the file's reputation by submitting to the VirusTotal database for malware analysis.

Formats supported range form fast to secure with CRC32, MD5, SHA1, SHA256, SHA384 and SHA512. The various hashing information can be saved to a report (text/html/xml) that includes name, path, dates, file size, version and other info.

[UPDATE] WifiChannelMonitor v1.59

WifiChannelMonitor captures WiFi traffic on the channel you choose using Microsoft Network Monitor capture driver in monitor mode and displays extensive information about access points and the WiFi clients connected to them. The program also allows you to view the information about wireless clients that are not connected to any access points, including the list of SSIDs (network names) that they are trying to connect.

For every access point, the following information is displayed: SSID, MAC Address, Device Manufacturer, PHY Type, Channel, RSSI, Security, Beacons Count, Probe Responses Count, Data Bytes, Retransmitted Data Bytes and more. Each client lists MAC Address, Device Manufacturer, SSID list that the client tries to connect, Sent Data Bytes, Received Data Bytes, Probe Requests Count etc.

[UPDATE] FileActivityWatch v1.27

FileActivityWatch displays information about every read/write/delete operation of files occurs on your system. For every file, it displays the number of read/write bytes, number of read/write/delete operations, first and last read/write timestamp and the name/ID of the process responsible for the file operation.

[UPDATE] TeamSpeak v3.2.5

TeamSpeak is a VoIP tool focused on efficient system and bandwidth usage. Although targeting online gamers, the program includes collaboration tools including file transfer, easy permissions, secure connections and a customizable interface.

Cross platform with clients available for Mac, Linux, iOS and Android.

[UPDATE] Google Chrome Portable v73.0.3683.103

Google Chrome is a web browser designed for simplicity and speed. Its minimalistic appearance and capabilities can be extended with themes and extensions. The rendering and underlying code is similar to Apple's Safari browser.

Available for Mac, Linux, Android and iOS.

Google Chrome Portable is PortableApps.com version of the program. It and includes automatic support for jPortable to enable web-based Java apps. For users interested in the cutting edge, the Beta, Development and 64-bit channels are also available.