Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

69Health
Library PyPI

tag-expressions

A small boolean-expression parser and evaluator for selecting Gherkin scenarios by tag, used by behave and other Cucumber-family test runners.

20
MIT
Used by 1
48Health
SDK PyPI

firebolt-sdk

A Python DB-API 2.0 client for the Firebolt cloud data warehouse.

16
Apache 2.0
Used by 1
54Health
Library Composer

FOSOAuthServerBundle (klapaudius)

Actively maintained OAuth2 server bundle for Symfony 5 through 8

16
MIT
Used by 1
31Health
Library PyPI

sanic-routing

The AST-compiled node-tree router that powers Sanic's path and signal routing.

16
MIT
Used by 1
51Health
Library Composer

Joomla Filter

Joomla Framework package for sanitizing and validating input and cleaning output in PHP

15
Other
Used by 1
27Health
Library PyPI

spacy-loggers

Training-run loggers for spaCy: Weights & Biases, MLflow, ClearML, PyTorch, CuPy

12
MIT
Used by 1
58Health
Tool Composer

openapi-extractor

Generates OpenAPI specifications directly from annotated Nextcloud PHP controllers.

11
AGPL 3.0
Used by 1
53Health
Library PyPI

django-signal-webhooks

Fire webhooks automatically from Django model signals - create, update, delete, and M2M changes - with per-model admin configuration and async delivery.

5
MIT
Used by 1
42Health
Library Composer

Utopia Compression

A lightweight PHP library providing one unified API for Brotli, GZIP, Deflate, LZ4, Snappy, XZ, and Zstd compression.

4
MIT
Used by 1
22Health
SDK PyPI

mattermostwrapper

A lightweight Python client for the Mattermost v4 REST API, built for bots and automation scripts.

4
MIT
Used by 1
52Health
Library Composer

validators

A lightweight PHP validator library with 25+ composable rules for text, network, and structured JSON input validation.

4
MIT
Used by 1
43Health
SDK PyPI

akeyless-python

Auto-generated Python SDK for the Akeyless Vault secrets management and encryption platform.

2
Apache 2.0
Used by 1
20Health
Library PyPI

statshog

A lightweight Python StatsD client for sending counters, gauges, and timers to StatsD and Telegraf.

2
MIT
Used by 1
49Health
Library Composer

Utopia Telemetry

A lightweight, adapter-based PHP telemetry library for OpenTelemetry metrics, built by the Appwrite team.

2
MIT
Used by 1
67Health
Library Cargo

turbovec

A Rust vector index with Python bindings that compresses embeddings to 2-4 bits and searches faster than FAISS.

17,191
MIT
70Health
Library PyPI

Memori

LLM-agnostic memory infrastructure that turns agent conversations into persistent, structured, recallable state.

16,779
Apache 2.0
90Health
Library PyPI

Presidio Analyzer

The PII detection engine behind Presidio, combining NER, regex, and checksum recognizers

10,859
MIT
75Health
Framework PyPI

Plain

A Django-inspired Python web framework rebuilt from scratch for explicit, typed, agent-friendly application code.

1,043
BSD 3
75Health
Library PyPI

Levenshtein

A fast Python C extension for Levenshtein edit distance, string similarity, and edit operations.

397
GPL 2.0
27Health
Library PyPI

zope.event

A minimal synchronous event publishing and dispatch system for Python.

46
Other

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers