Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
filesize.js
Zero-dependency JavaScript utility that converts byte counts into human-readable file size strings, with SI, IEC, and JEDEC standard support.
diff-match-patch
A battle-tested JavaScript port of Google's diff-match-patch engine for computing, applying, and fuzzy-matching text differences.
@codemirror/merge
A diff and merge view extension for the CodeMirror 6 code editor
rust-pretty-assertions
Drop-in replacements for Rust's assert_eq! and assert_ne! that print colorful, side-by-side diffs instead of raw Debug dumps.
similar
A dependency-free Rust diffing library with Myers, Patience, Histogram, and LCS algorithms
react-diff-viewer-continued
A maintained React component for rendering GitHub-style text diffs
diff2html
Generate pretty, GitHub-style HTML diffs from git diff or unified diff output
jsondiffpatch
Diff and patch JavaScript objects with compact deltas, smart array diffing, and pluggable output formatters.
microdiff
A tiny, zero-dependency library for deep diffing objects and arrays with full TypeScript support.
expressive-code
A framework-agnostic engine that renders source code as richly annotated, syntax-highlighted HTML.
fast-diff
A fast, dependency-free JavaScript library for computing diffs between two strings using Myers' O(ND) algorithm.
python-unidiff
A typed Python library that parses unified diff data into inspectable PatchSet, PatchedFile, and Hunk objects.
Pusher PHP Library
The official PHP server library for triggering events, authenticating private channels, and validating webhooks against Pusher's Channels API.
parse-diff
A fast, dependency-free unified diff parser that converts raw patch text into structured file, chunk, and line-change objects for JavaScript and TypeScript projects.