Packages
Z3 is a theorem prover and SMT (satisfiability modulo theories) solver that can determine whether logical formulas are satisfiable and find models that satisfy them.
z3c.pt is a fast ZPT (Zope Page Template) engine that compiles templates to bytecode using Chameleon, providing page template rendering with path expressions and TALES support.
Provides a Python client library for interacting with the Zabbix monitoring API, enabling programmatic access to Zabbix server functionality.
Provides Python bindings for Zabbix API, sender, and get protocols to query monitoring data, send item values, and retrieve agent metrics from Zabbix servers.
Install it if you need to automate Zabbix tasks or integrate Zabbix data into Python applications.
Official Python SDK for Z.ai's large model APIs, providing access to chat completions, embeddings, video generation, audio processing, and assistant features.
However, verify the license terms before use in proprietary projects, since the license status is currently unclear in the package metadata.
Encodes text with overlapping Unicode diacritical marks to create Zalgo text, and decodes Zalgo text back to plain ASCII by stripping combining marks.
Python client library for the Zammad helpdesk API, providing object-oriented access to users, tickets, organizations, and knowledge base resources with standard CRUD operations and pagination.
Install it if you need to integrate with Zammad from Python; the API surface is straightforward and well-documented.
Zappa packages and deploys Python WSGI and ASGI web applications to AWS Lambda and API Gateway, handling serverless infrastructure provisioning and request routing automatically.
Python client library for the OWASP ZAP security scanner API, enabling programmatic access to automated web application security testing and vulnerability scanning.
Install it if you need to automate ZAP scanning in your development or testing workflow.
Provides portable inter-process locks implemented using lock files and OS-level file-locking primitives, allowing multiple processes to coordinate access to shared resources.
zcbor validates and converts YAML/JSON/CBOR data against CDDL schemas, and generates C code for encoding/decoding CBOR data with schema validation.
Install it if you need schema-driven CBOR handling in Python or C; skip it if you work exclusively with JSON or don't require CDDL's advanced schema features.
ZConfig is a schema-driven configuration library that parses hierarchical XML-based schemas and loads configuration files with type validation and custom conversion routines.
Zeep is a Python SOAP client that handles SOAP 1.1 and 1.2 web services, including WS-Addressing headers, WSSE authentication, and asyncio support.
Install it if you need to consume SOAP web services; avoid it only if your target services have moved to REST or gRPC.
zen-engine is a Python binding for a Rust-based business rules engine that loads and executes JSON Decision Models (JDM) to evaluate complex decision logic.
Zendriver is an async-first web automation framework using Chrome DevTools Protocol to scrape content, run JavaScript, and interact with websites in a real browser without Selenium or WebDriver.
However, Alpha status means the API may change; verify that the current feature set and stability match your production requirements before committing to it in a…
ZenML is an MLOps orchestration platform that lets you write pipelines and deploy them across any infrastructure backend, automatically handling containerization, run tracking, and integration with existing ML tools.
Zenpy is a Python wrapper for the Zendesk, Chat, and HelpCentre APIs that simplifies programmatic interaction with Zendesk by caching objects and lazily evaluating attributes to minimize API calls.
However, its GPLv3 copyleft license is a hard constraint—only use it if your project is compatible with GPLv3 or if you can isolate it behind a service boundary.
Zenpyre provides utility functions and helpers for working with LangChain, a framework for building applications with language models and agents.
However, it is in alpha (0.0.1a64), so the API is unstable and may change.
Python client for the ZenRows web scraping API that handles proxy rotation, headless browser rendering, and CAPTCHA solving through a managed service.
Zensical is a static site generator that converts Markdown documentation into a searchable, professionally-styled website with support for multiple languages and responsive design.
However, it's in Alpha status, so expect potential breaking changes; verify that its feature set and customization options match your needs before committing to a…
Zep Cloud SDK provides a client library for integrating Zep's context engineering platform into AI assistant applications, enabling persistent chat history recall, automatic summarization, and semantic search over conversations.
However, verify the license terms first—they are not declared in the package metadata—and confirm that the LangChain integration maturity matches your needs.
Zep is a long-term memory service for AI assistants that persists chat histories, generates summaries, embeds messages, and enables semantic search across past conversations to reduce hallucinations and improve context retrieval.
However, dormancy for 687 days is a significant red flag: there is no recent maintenance signal, and license terms are unclear.
Provides Python wrappers for the Zephyr Scale (TM4J) REST API, allowing programmatic interaction with test cases, cycles, and other Zephyr Scale resources without using the GUI.
Unified Python client for publishing social media posts across 16 platforms (Instagram, TikTok, YouTube, LinkedIn, X/Twitter, Facebook, Pinterest, Threads, Bluesky, Reddit, Snapchat, Telegram, WhatsApp, Google Business Profile, and others) with a single API call.
Python SDK for the ZeroBounce email validation and verification API, providing methods to validate individual and batch emails, check account credits, retrieve API usage, and discover email formats.
Install it if you need to integrate ZeroBounce validation into a Python application.
Discovers and registers services on local networks using multicast DNS (mDNS), without requiring Bonjour, Avahi, or D-Bus.
Install it if you need mDNS discovery and want to avoid Bonjour or D-Bus.
Type-safe Python client for the ZeroEntropy REST API, with synchronous and asynchronous support and automatic pagination.
However, it is in pre-release (0.1.0a11), so expect potential breaking changes; use it in production only if you can tolerate version pinning and monitor releases.
zExceptions provides a collection of exception classes and utilities for Zope applications, including HTTP status exceptions and helper functions for exception handling.
ZHA is a hardware-independent Zigbee gateway implementation that manages Zigbee devices and networks for home automation, supporting a wide range of Zigbee radio types and device integrations.
Provides custom device handlers (quirks) for non-standard Zigbee devices to work with the ZHA component in Home Assistant via the Zigpy library.
Converts text between Simplified and Traditional Chinese using MediaWiki vocabulary tables, supporting regional variants including Mainland, Taiwan, Hong Kong, and Singapore Chinese.
Not recommended for new projects requiring active maintenance or support; consider it for stable, self-contained use cases where regional Chinese text conversion is a…
Converts between Chinese lunar calendar dates and Gregorian datetime objects without requiring network access, supporting leap months and date arithmetic.
zhinst-comms provides protocol stack bindings to communicate with Zurich Instruments servers, offering a generic API for customized server interactions.
zhinst-core provides a native Python API for communicating with Zurich Instruments measurement and control devices through the LabOne software platform.
Provides feedback latency model parameters for Zurich Instruments quantum control systems (PQSC, SHF, HDAWG), enabling calculation of timing delays in quantum feedback loops.
zhinst-toolkit provides a high-level Python interface to Zurich Instruments devices, wrapping the lower-level zhinst-core API into a more pythonic interface for instrument control and data acquisition.
Provides helper functions and device-specific utilities for the Zurich Instruments LabOne API, simplifying communication with SHFQA, SHFSG, and SHFQC devices.
Official Python SDK for ZhipuAI's large model APIs, providing type-safe client methods to call chat completions, multimodal models, video generation, and assistant endpoints.
However, the aging maintenance status (354 days since last release, no recent commits tracked) and unclear license are concerns—verify the license for your use case…
Zhon provides character constants and regular expression patterns for processing Chinese text, including CJK characters, Pinyin syllables, and Zhuyin marks.
Install it if you're building tools that need to identify, validate, or extract Chinese characters, Pinyin, or Zhuyin.
Generates JWT tokens for ZoomInfo enterprise-api calls using either username/password or PKI (private key) authentication methods.
However, maintenance is aging (last commit 2025-09-04 with no recent activity), so verify that it remains compatible with current ZoomInfo API endpoints before…