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.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
svgo
A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.
nest-cli
Scaffolds, builds, and serves NestJS applications through schematics-driven code generation and pluggable compiler backends.
grpc-gateway
A protoc plugin that generates a reverse-proxy server, turning RESTful HTTP/JSON requests into gRPC calls from the same service definitions.
js-beautify
Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code
jest-junit
A Jest reporter that converts test results into JUnit-compatible XML for CI dashboards and test-analytics tools.
goose
A database migration tool for Go, driven by SQL files or plain Go functions, with a CLI and an embeddable provider library.
verdaccio
A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.
Wire
Compile-time dependency injection for Go that generates plain, debuggable initialization code with zero runtime reflection.
nats-server
High-performance, self-hostable messaging server for NATS.io, powering pub/sub, request/reply, and JetStream persistence across cloud and edge.
BuildKit
The daemon and CLI toolkit behind `docker build`, compiling Dockerfiles and other build definitions into portable, cacheable OCI images.
TiDB
A distributed, MySQL-compatible SQL database built for horizontal scale, strong consistency, and hybrid transactional/analytical workloads.
npm
The default command-line package manager for Node.js and the JavaScript ecosystem
gojq
A pure Go implementation of jq for querying and transforming JSON and YAML, usable as a CLI or embedded as a Go library.
sql-migrate
A SQL schema migration tool for Go, usable as a standalone CLI or embedded directly as a library.
Docker Compose
The official CLI plugin for defining and running multi-container Docker applications from a single Compose file.
toxiproxy
A TCP proxy for injecting network and system failures to test how applications handle unreliable dependencies.
moon
A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.
vtprotobuf
A protoc plugin that generates reflection-free Marshal, Unmarshal, Size, Equal, Clone, and pooling methods for Go protobuf messages.
jsbeautifier
The official Python port of js-beautify for beautifying, unpacking, and deobfuscating JavaScript
memlab
Meta's end-to-end framework for finding JavaScript memory leaks and analyzing heap snapshots
CMake.js
A CMake-based build tool for compiling Node.js native C/C++ addons
rails-erb-loader
A webpack loader that compiles embedded Ruby (.erb) templates into JavaScript for Rails projects.
