These days, even a mid-range Android device packs enough processing power to handle most productivity tasks – from managing email and tasks to drafting articles and coding. Of course, this process requires that you have the appropriate apps installed on your Android device, but plenty of high-quality open source apps are at your disposal. In this article, I'll cover several excellent open source apps that can transform an Android device into a powerful and versatile productivity machine.

System Tools

Most virtual keyboards for Android are optimized for fast and efficient text input at the expense of certain features. Some keyboards, for example, do away with the Tab key, which is essential for working in the terminal. Other keyboards lack dedicated arrow keys, making it difficult to select text and move the cursor. Additionally, almost none of the available keyboards have dedicated function keys.

Enter Hacker's Keyboard [1], a keyboard replacement that replicates the regular keyboard layout, so it is perfectly suited for users who depend on the arrow, Tab, Esc, and other keys in their daily computing. Better still, Hacker's Keyboard features the Fn key, which evokes a separate layout containing a numerical keyboard and a function keypad.

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