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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@capacitor/app
The official Capacitor plugin for app lifecycle events, deep links, and app state
tree-sitter-java
A fast, incremental Java grammar for the tree-sitter parsing library
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
pendulum
A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.
fake-useragent
Up-to-date user-agent string faker backed by a real-world browser usage database, bundled offline.
gock
Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.
fpdf2
A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.
@neondatabase/serverless
Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.
PySpark
Python API for Apache Spark, the unified engine for large-scale distributed data processing
kombu
A Python messaging library giving Celery and other apps one high-level API over AMQP, Redis, SQS, and a dozen other broker transports.
django-celery-beat
Store and manage Celery periodic task schedules in the Django ORM, editable from the Django admin.
react-native-pdf
A cross-platform PDF viewer component for React Native, with zoom, paging, password protection, and native text selection.
py-amqp
A pure Python client implementing the AMQP 0.9.1 protocol, powering RabbitMQ transport for Celery and Kombu.
Databricks SQL Connector for Python
Thrift-based Python client for connecting to Databricks clusters and SQL warehouses
FlatBuffers
Google's memory-efficient, zero-copy serialization library for cross-language data exchange
request-promise
A Bluebird-powered Promise wrapper around the request HTTP client for Node.js — deprecated since 2020 along with request itself.
behave
A Python behavior-driven development framework that runs Gherkin feature files against step definitions written in plain Python.
testcontainers-python
Throwaway Docker containers for real integration tests, driven straight from Python.
types-boto3
Complete, auto-generated type annotations for every boto3 AWS service client, enabling full IDE autocomplete and mypy/pyright checking.
ua-parser
Parse browser, OS, and device data out of raw user agent strings, with pluggable fast-path resolvers.
billiard
A hardened fork of Python's multiprocessing library that powers Celery's worker pool with extra reliability fixes.
vine
Lightweight Python promise implementation powering Celery's async callback chains
http-cookie-agent
Adds tough-cookie-based cookie jar support to Node.js global fetch, undici, axios, node-fetch, and other HTTP clients.
Apache Beam
A unified programming model for defining batch and streaming data-parallel pipelines