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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aiologic
Async-aware and thread-aware locking primitives for Python concurrency
weasel
A small workflow system for orchestrating ML training, packaging, and serving pipelines
packageurl-python
Python library to parse and build Package URLs (purl).
html2docx
Convert HTML strings and files into Word DOCX documents from Python.
hannoy
A production-ready, key-value-backed HNSW vector search implementation in Rust using LMDB.
httpx-socks
SOCKS4, SOCKS5, and HTTP CONNECT proxy transports for the httpx client.
@dr.pogodin/react-helmet
Thread-safe document head management for React 19 with tag deduplication, SSR support, and SEO tag prioritization.
haversine-distance
A zero-dependency JavaScript implementation of the Haversine formula for great-circle distance between two coordinates, in meters.
OpenTelemetry GCP Trace Exporter
Export OpenTelemetry spans directly to Google Cloud Trace from your Python services.
Protovalidate (ECMAScript)
Runtime validation for Protobuf messages, driven by buf.validate rule annotations in your .proto schema.
scylla-driver
Modern, highly tunable Python client for ScyllaDB and Apache Cassandra over CQL
PyExasol
Official low-overhead Python driver for the Exasol database with fast HTTP transport.
wiremock
Python client and Testcontainers integration for driving a WireMock server from tests
Python JSONPath
A flexible RFC 9535 JSONPath engine for Python with JSON Pointer and JSON Patch.
tink-py
Google's misuse-resistant cryptography library for Python, providing safe AEAD, MAC, digital signature, and hybrid encryption APIs.
js-string-escape
Escapes strings into safe JavaScript string literals, correctly handling quotes, backslashes, and all four ECMAScript line-terminator characters.
final-form-arrays
Array mutators for Final Form that add push, pop, insert, remove, move, swap, and more to manage dynamic list fields.
graphql-query
A complete Python DSL for building correct GraphQL query strings from typed classes.
flagsmith-js-client
The official JavaScript and React Native client SDK for Flagsmith, the open source feature flag and remote configuration platform.
commercetools Platform SDK
Fully-typed TypeScript client for every commercetools Composable Commerce API endpoint, generated straight from the platform's RAML spec.
dirhash-python
Compute a single deterministic hash of a file system directory in Python
python-sonic-client
Python client for the Sonic search backend, providing ingest, search, and control channel operations over its lightweight TCP protocol.
kgb
Function spies for Python unit tests that intercept, record, and reroute calls without heavy-handed mocking.
truncate
A tiny zero-dependency JavaScript utility that truncates text to a length while keeping URLs and email addresses intact.