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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MSW (Mock Service Worker)
Seamless REST and GraphQL API mocking for browser and Node.js
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
identity-obj-proxy
An ES6 Proxy that echoes back every key you access, built to mock CSS Modules and other webpack style imports in Jest tests.
pytest-mock
A pytest plugin that provides a `mocker` fixture wrapping Python's `unittest.mock`, with automatic teardown between tests.
go-sqlmock
A mock sql/driver implementation for Go that simulates database behavior in tests without a real database connection.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
graphql-tools
The original SDL-first GraphQL schema builder, now a thin compatibility layer over @graphql-tools/schema.
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.
gridstack.js
A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.
vitest-canvas-mock
A drop-in HTML canvas mock for Vitest that emulates spec-accurate CanvasRenderingContext2D behavior in jsdom test environments.
mockall
A powerful mock object library for Rust unit testing.
gock
Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.
sns-payload-validator
Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.
ghp-import
A small CLI that copies a built docs directory straight onto your repo's gh-pages branch.
lightGallery
A modular, responsive lightbox gallery plugin for images and video, with official React, Vue, and Angular wrappers.
jsts
JavaScript port of the Java JTS Topology Suite for spatial predicates, geometry operations, and OGC Simple Features processing.
time-machine
Travel through time in your Python tests by mocking datetime and time at the C level.
Python Xlib
A pure-Python implementation of the X11 protocol for talking to an X server.
kgb
Function spies for Python unit tests that intercept, record, and reroute calls without heavy-handed mocking.