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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PyAV
Pythonic bindings for FFmpeg's audio, video, subtitle, and container libraries.
fgprof
A sampling wall-clock profiler for Go that captures both On-CPU computation and Off-CPU waiting time in a single pprof-compatible profile.
rc-slider
Accessible, headless React slider for single values, ranges, marks, and editable range handles.
Flume
A safe, blazingly fast multi-producer, multi-consumer channel for Rust
uFuzzy
A tiny, dependency-free fuzzy search library for matching short phrases against large lists with no index to build.
node-xlsx
TypeScript-first Excel parser and builder for Node.js, built on SheetJS.
progress
A lightweight, dependency-free ASCII progress bar for Node.js command-line tools.
retry-go
A lightweight Go library for retrying fallible functions with configurable backoff, jitter, and per-error attempt limits.
Symfony Mime
Build and parse MIME messages, emails, and file type detection in PHP
atmn
The command-line tool for managing Autumn pricing — define plans and features in TypeScript, then push, pull, and preview them without leaving the terminal.
speakeasy
A Node.js library for generating and verifying RFC 4226 (HOTP) and RFC 6238 (TOTP) one-time passcodes for two-factor authentication.
Validator
Derive-macro struct validation for Rust, covering email, URL, length, range, and custom rules
react-avatar-editor
A React canvas component for interactive avatar and profile picture cropping, resizing, and rotation.
dill
Extend Python's pickle to serialize almost anything, including lambdas and live sessions
syntect
High-quality Rust syntax highlighting using Sublime Text's grammar and theme formats
workerpool
A lightweight thread pool for offloading CPU-intensive functions to worker threads, child processes, or web workers, on both Node.js and in the browser.
lettre
Build and send emails in Rust via SMTP, sendmail, or file transport
gock
Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.
rust-rocksdb
Idiomatic Rust bindings and wrapper for Facebook's RocksDB embedded key-value store.
react-sortablejs
React bindings for SortableJS, giving drag-and-drop list reordering as a declarative, state-driven component.
go-diff
A Go library for computing text differences, fuzzy string matching, and applying patches, ported from Google's diff-match-patch.
twilio-python
The official Python SDK for the Twilio API — send SMS, make calls, and generate TwiML with sync or async clients.
Nuxt I18n
Internationalization module for Nuxt that generates locale-prefixed routes, lazy-loads translation messages, and wires up per-locale SEO automatically.
httpmock
Drop-in HTTP mocking for Go that intercepts requests at the http.RoundTripper level, so tests never touch the real network.
