This cheat sheet presents the most popular software applications across key categories as of 2026, organized by usage statistics and market share. Each category features applications sorted from most to least popular, based on verified user statistics, market research, and industry reports. Use this guide to discover mainstream tools for productivity, development, security, media, and collaboration.
What This Cheat Sheet Covers
This topic spans 60 focused tables and 600 indexed concepts. Below is a complete table-by-table outline of this topic, spanning foundational concepts through advanced details.
Table 1: Web Browsers
Chrome utterly dominates this space with two-thirds of the market, but the interesting choices live in the long tail—Brave and Firefox for privacy, Arc and Vivaldi for power users who want to rethink tabs entirely, and Tor when anonymity matters more than speed.
| Browser | Example | Description |
|---|---|---|
Visit chrome://settings | Dominant browser with ~66.5% global market share (April 2026) and extensive extension ecosystem | |
Built into macOS, iPadOS | Second-largest browser at ~19% market share, optimized for Apple devices | |
Based on Chromium engine | Third-place browser with ~4.9% share, integrated with Windows and Microsoft 365 | |
Supports WebExtensions API | Privacy-focused browser with ~2.8% market share and open-source development | |
Blocks trackers by default | Privacy-first browser with built-in ad blocking, cryptocurrency wallet, and rewards system |