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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Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
Collision
Beautiful command-line error reporting for PHP apps and test suites
he
A robust, spec-compliant HTML entity encoder and decoder for JavaScript with full Unicode support.
base-64
A lightweight, RFC 4648-compliant base64 encoder and decoder for JavaScript, fully compatible with atob() and btoa().
Gorilla Schema
Gorilla Schema fills Go structs from HTTP form values and encodes them back into url.Values using struct tags.
slog-multi
Compose Go's log/slog handlers into fanout, routing, failover, and load-balancing pipelines.
@iarna/toml
A fast, spec-compliant TOML parser and stringifier for Node.js with a familiar JSON-style interface.
ajv-errors
Custom, human-readable error messages for Ajv JSON Schema validation
ujson
Ultra-fast JSON encoder and decoder for Python, written in C
@scure/base
Audited, zero-dependency base16/32/58/64 and bech32/bech32m encoding for TypeScript
io-ts
A TypeScript runtime type system that derives static types and runtime decoders/encoders from one composable schema.
Honeybadger for JavaScript
Universal JavaScript error notifier that reports uncaught exceptions from the browser, Node.js, and AWS Lambda to Honeybadger.io.
gifski
Highest-quality GIF encoder based on pngquant, squeezing thousands of colors per frame from video and PNG sequences.
iced-x86
Blazing-fast, correct x86/x64 disassembler, assembler, decoder, and encoder written in pure Rust.
Bugsnag Laravel
Report Laravel and Lumen exceptions and crashes to Bugsnag with rich diagnostic context.
@loaders.gl/core
The core API for loaders.gl, a framework-independent toolkit for loading and parsing big-data, 3D, and geospatial formats.
sentry-symfony
Official Symfony bundle for the Sentry error-tracking and performance-monitoring SDK
apm-agent-nodejs
The official Elastic APM agent for Node.js, auto-instrumenting popular frameworks and modules to capture traces, errors, and metrics.
rollbar.js
The official cross-platform JavaScript SDK for Rollbar, capturing browser, Node.js, and React Native errors with breadcrumbs and session replay.
annotate-snippets-rs
Renders compiler-quality annotated diagnostic reports with source-span highlighting, multi-line underlines, and suggested patches.
fast-png
A pure JavaScript PNG encoder and decoder supporting 16-bit depth, Adam7 interlacing, indexed color, and full APNG animation frames.
rollbar/rollbar
The official Rollbar PHP SDK for error and exception monitoring and reporting.
dns-packet
A low-level, spec-compliant encoder and decoder for binary DNS wire-format packets in Node.js, covering queries, responses, and DNSSEC/EDNS0 records.
Ogg
Pure-Rust decoder and encoder for the Ogg container format, implementing the xiph.org Ogg framing spec.
