IT Links.
Useful places to start.

rclone

Copy, sync, and verify files across local storage and many cloud providers.

• Windows
• macOS
• Linux

Command-line tool; sync can remove destination files. Cloud storage charges are separate.

KeePass

Store credentials in an encrypted local password database with a portable option.

• Windows

Windows is the native platform; other systems require additional runtime support.

KeePassXC

Manage encrypted password databases with native desktop apps and browser integration.

• Windows
• macOS
• Linux

VeraCrypt

Create encrypted containers or encrypt supported drives to protect stored data.

• Windows
• macOS
• Linux

Use the stable release recommended for your OS; macOS requires an additional filesystem driver.

Gpg4win

Encrypt and sign files and verify OpenPGP signatures with GnuPG and Kleopatra.

• Windows

A donation is optional; choose the zero-cost download when prompted.

age

Encrypt files from scripts or the terminal using recipient keys or a passphrase.

• Windows
• macOS
• Linux

Command-line tool; keep your decryption keys backed up securely.

Git

Track scripts and configuration changes with distributed version control.

• Windows
• macOS
• Linux

VSCodium

Edit scripts and code with a freely licensed build of the VS Code source.

• Windows
• macOS
• Linux

Extension availability and licensing can differ from Microsoft Visual Studio Code.

Python

Automate IT tasks, process data, and build scripts with a general-purpose language.

• Windows
• macOS
• Linux

Linux users can usually install through their distribution package manager.

PowerShell

Automate administration and configuration using cross-platform PowerShell 7.

• Windows
• macOS
• Linux

Some Windows-specific administration modules are unavailable on macOS or Linux.

DBeaver Community

Connect to databases, run SQL, and inspect schemas from one desktop application.

• Windows
• macOS
• Linux

Choose Community Edition; DBeaver PRO products are separate paid editions.

RustDesk

Provide remote desktop support using the open-source client and your own relay server.

• Windows
• macOS
• Linux

The OSS client and OSS self-hosted server are free; Server Pro is paid and hosting has operating costs.

LibreOffice

Create documentation, spreadsheets, and presentations without an office subscription.

• Windows
• macOS
• Linux

SumatraPDF

Read PDF manuals and documents with a lightweight Windows viewer and portable build.

• Windows

ShareX

Capture and annotate screenshots or record your screen for support documentation.

• Windows

Greenshot

Take screenshots and add arrows, highlights, and notes for tickets and guides.

• Windows

The Windows edition is free; the macOS App Store edition is paid and is not included here.

Double Commander

Manage files in two panes with tabs, archive support, and batch operations.

• Windows
• macOS
• Linux

Czkawka

Find duplicate files, similar images, empty folders, and other wasted disk space.

• Windows
• macOS
• Linux

Review matches before deleting files.

dupeGuru

Locate duplicate documents, music, and pictures using content-aware matching.

• Windows
• macOS
• Linux

Review duplicate groups before removing anything.

Unison

Synchronize files between two locations and review conflicts before applying changes.

• Windows
• macOS
• Linux

Keep separate backups before synchronizing important folders.

Syncthing

Keep selected folders synchronized directly between your own devices.

• Windows
• macOS
• Linux

Synchronization propagates changes; it is not a replacement for versioned backups.

rsync

Copy and synchronize directory trees efficiently over local or SSH connections.

• Linux
• macOS

Command-line utility; install from your OS package manager or build the official source.

CopyQ

Search, edit, and organize clipboard history for repetitive support tasks.

• Windows
• macOS
• Linux

Ditto

Keep a searchable clipboard history and reuse copied text and images.

• Windows