Windows

Advanced IP Scanner

Famatech

Fast local network scanner

AdwCleaner

Malwarebytes

Adware and PUP cleaner

Affinity Designer 2

Serif

Vector design alternative to Illustrator

Affinity Photo 2

Serif

Photoshop alternative (one-time purchase)

Affinity Publisher 2

Serif

Desktop publishing alternative to InDesign

Agent Ransack

Mythicsoft

Fast desktop file content search

AirDroid

Sand Studio

Manage Android device from PC wirelessly

AltDrag

Stefan Sundin

Move and resize windows with Alt key

Altair CFD Solvers

Altium CERN Library

Altium Concord Pro

Altium NEXUS

Altium On-Prem Enterprise Server

Amazon Music

Amazon

Amazon's music streaming app

Anaconda

Anaconda Inc.

Python distribution for data science

Android Debug Bridge (ADB)

Google

Command-line tool for Android devices

Angry IP Scanner

Angry Ziber

Fast cross-platform IP and port scanner

Anki

Damien Elmes

Spaced repetition flashcard study tool

Antidote Download Free

Any Video Converter

Anvsoft Inc.

Fast video format converter

AnyDesk

AnyDesk Software

Fast remote access and screen sharing

Apache HTTP Server

Apache Software Foundation

World's most popular web server

ApowerMirror

Apowersoft

Mirror and control phone screen on PC

Arch Linux

Arch Linux Dev.

Rolling release DIY Linux distribution