Apps with 'Side-by-Side comparison' feature

Notepad++ is a free source code editor and Notepad replacement that supports several languages.

SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS X and Linux. SmartGit is intended for developers who prefer a graphical user interface over a command line client, to be even more productive with Git.

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. It has a nice array of features that include image viewing, management, comparison, red-eye removal, emailing, resizing, cropping and color adjustments.

[The standard installer is bundled with adware, but the portable version is clean and adware free: http://www.videohelp.com/software/MediaInfo ]

ABBYY FineReader PDF is an OCR software that provides unmatched text recognition accuracy and conversion capabilities, virtually eliminating retyping and reformatting of documents. Up to 190 languages are supported for text recognition.

KDiff3 is a file and directory diff and merge tool.

Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.

Compare price, specs, reviews and benchmarks for smartphones and tablets. Find the perfect mobile at the best price from thousands of web pages.

Comparison plugin for Notepad++ editor.

GameGator is a consumer review and price comparison website launched in Europe, 2018, specialising in gaming products.

B2B Software Ratings and Reviews. As a 100% self-funded company, we started AppsThatDeliver with a mission to drive people and small businesses forward by presenting a hub where small businesses can get up-to-date, reliable, and solid data.

This is the official website where PassMark PerformanceTest users post thousands of benchmark results.

P4Merge uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison.

ExamDiff Pro is a powerful, intuitive, and easy to use visual side-by-side comparison tool for comparing and merging text and binary files, and directories.

DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.