$npx skillfedfor your agent

Packages starting with 'S'

1,170 packages · page 27 of 30

Packages

stretchable With conditions
PyPI · Application Frameworks · released Oct 2025

stretchable is a Python layout engine that implements CSS Block, Flexbox, and CSS Grid layout algorithms, enabling programmatic UI and report layouts without browser dependencies.

MITcompiled wheel · 3.8+aging
106.2Kdownloads / mo
strict-kwargs With conditions
PyPI · Quality Assurance · released Jul 2026

A standalone CLI linter that enforces keyword arguments in Python function calls, with automatic rewriting support for positional arguments.

MITcompiled wheel · 3.11+
152.3Kdownloads / mo
strict-rfc3339 Skip
PyPI · Utilities · released Apr 2016

Converts Unix timestamps to and from RFC3339 strings, with support for UTC or local timezone offsets, using only the standard library's time and calendar modules.

GPL-3.0-onlybuilds from sourceabandoned
940.9Kdownloads / mo
strictyaml With conditions
PyPI · Libraries · released Mar 2023

StrictYAML parses and validates YAML documents against a schema, rejecting unsafe YAML features and providing type-safe parsing with clear error messages.

However, note the aging maintenance status—last release was 2023-03-10—so verify compatibility with your Python version and consider whether the lack of recent…

MITpure Python · 3.7.0+aging
31.5Mdownloads / mo
string-grouper Worth it
PyPI · Information Analysis · released Jul 2026

String Grouper finds groups of similar strings within or across lists using TF-IDF and cosine similarity, optimized for speed through sparse matrix operations.

Install it if you need fuzzy string matching or deduplication at scale.

MITpure Python
116.0Kdownloads / mo
stringcase With conditions
PyPI · Text Processing · released Aug 2017

Converts strings between different naming conventions (camelCase, snake_case, PascalCase, kebab-case, and others) with a simple function-per-case API.

However, the package is abandoned (last release 2017-08-06) and may fail on modern Python versions or edge cases.

permissive licensebuilds from sourceabandoned
7.5Mdownloads / mo
stringparser With conditions
PyPI · Libraries · released Nov 2023

Extracts values from strings using format-string patterns instead of regular expressions, supporting simple field extraction, ordering, and nested object assignment.

However, the dormant maintenance status means you should verify that the feature set covers your use case before committing to it, and be prepared to maintain a fork…

BSD-3-Clausepure Python · 3.9+dormant
193.2Kdownloads / mo
stringzilla With conditions
PyPI · Information Analysis · released Aug 2026

StringZilla provides SIMD and SWAR-accelerated string operations including substring search, hashing, edit distances, sorting, and segmentation for Python, with no runtime dependencies.

Install only if your Python version is 3.10 or later.

permissive licensecompiled wheel · 3.10+
2.8Mdownloads / mo
strip-ansi With conditions
PyPI · Text Processing · released Jun 2020

Removes ANSI escape sequences (color codes, formatting directives) from strings, leaving plain text.

However, verify the license before use, and be aware that no updates have been released since June 2020—if future Python versions introduce breaking changes to string…

license unclearpure Pythondormant
176.5Kdownloads / mo
strip-hints With conditions
PyPI · Utilities · released Feb 2025

Strips type hints from Python source code while preserving line and column numbers, leaving syntactically valid code that can run on interpreters without type-hint support.

license unclearpure Pythonaging
2.3Mdownloads / mo
strip-markdown With conditions
PyPI · Markup · released Apr 2022

Converts markdown text to plain text, removing all formatting, links, and structural markup while preserving readable content. Provides both a command-line tool and a Python library interface.

MITpure Python · 3.10+abandoned
252.5Kdownloads / mo
stripe Worth it
PyPI · Python Modules · released Aug 2026

Provides Python bindings to the Stripe API, enabling applications to manage payments, customers, invoices, and other Stripe resources directly from Python code.

Install it if you need to integrate Stripe payments into a Python application.

MITpure Python · 3.9+
43.3Mdownloads / mo
striprtf Worth it
PyPI · Text Processing · released Apr 2026

Converts Rich Text Format (RTF) files to plain text, stripping formatting and control codes to produce readable output suitable for parsing and processing.

Install it if you need to process RTF files; skip it if your documents are already in plain text or modern formats.

BSD-3-Clausepure Python · 3.8+
7.5Mdownloads / mo
strongtyping With conditions
PyPI · Quality Assurance · released Jul 2026

A runtime type-checking decorator that validates function arguments against their type annotations and raises TypeMismatch on mismatch, with dedicated async support and mypyc compilation for performance.

MITcompiled wheel · 3.14+
142.3Kdownloads / mo
strsimpy With conditions
PyPI · Text Processing · released Sep 2021

Implements a dozen string similarity and distance algorithms including Levenshtein, Jaro-Winkler, Longest Common Subsequence, and cosine similarity for comparing text strings.

However, do not install if you require active maintenance, bug fixes, or support for Python versions beyond 3.9—the last release was 2021-09-10 with no commits since…

MITpure Pythonabandoned
513.3Kdownloads / mo
structlog Worth it
PyPI · Logging · released Jun 2026

structlog is a structured logging library that lets you emit logs as dictionaries with flexible output formats (JSON, logfmt, console) and integrates with Python's standard logging or runs standalone.

Install it if your application needs JSON or logfmt output, or if you want to add rich context to logs without string formatting.

MIT OR Apache-2.0pure Python · 3.10+
113.6Mdownloads / mo
structlog-gcp With conditions
PyPI · Monitoring · released Jul 2026

Configures structlog to output logs in Google Cloud Logging JSON format, with automatic error reporting and context variable support.

license unclearpure Python · 3.10+
414.4Kdownloads / mo
structlog-pretty With conditions
PyPI · Text Processing · released Jul 2024

Adds structlog processors that format log output with syntax highlighting, JSON/XML prettification, multiline string handling, and numeric rounding for more readable structured logs.

MITpure Pythondormant
109.3Kdownloads / mo
structlog-sentry With conditions
PyPI · Python Modules · released Nov 2024

Bridges structlog and Sentry to automatically capture structured logs as Sentry events and breadcrumbs, with configurable thresholds and filtering.

MITpure Pythondormant
4.4Mdownloads / mo
structout With conditions
PyPI · Utilities · released Feb 2026

Formats and displays graphs and large integer lists as readable terminal output with customizable layout, coloring, and zoom options.

copyleftbuilds from source · 3.8+
83.9Kdownloads / mo
sttable With conditions
PyPI · Libraries · released Nov 2019

Parses string-formatted tables (with pipe-delimited columns and headers) into Python dictionaries accessible by row or by column.

However, the abandoned maintenance status means no bug fixes or Python version updates will arrive—install only if you can tolerate a static dependency.

MITpure Python · 3.7+abandoned
439.9Kdownloads / mo
stubs Skip
PyPI · Testing · released Oct 2016

Provides a context-manager syntax for temporarily replacing function behavior with stub implementations that match specified conditions, reverting after the block exits.

Apache-2.0pure Pythonabandoned
92.5Kdownloads / mo
stumpy Worth it
PyPI · Software Development · released Feb 2026

STUMPY computes the matrix profile for time series data, enabling pattern discovery, anomaly detection, and other time series mining tasks through efficient algorithms optimized with Numba.

Install it if you need matrix profile computation or the downstream mining tasks it enables; skip it if your time series work is limited to forecasting or simple…

BSD-3-Clausepure Python · 3.10+
476.3Kdownloads / mo
stups-cli-support Skip
PyPI · Utilities · released May 2021

Provides shared command-line interface utilities and configuration helpers for STUPS tools, handling CLI argument parsing, YAML configuration, and network operations.

Apache-2.0pure Pythonabandoned
117.1Kdownloads / mo
stups-tokens Skip
PyPI · Security · released Jan 2017

Manages OAuth 2.0 access tokens in memory, automatically refreshing expired tokens and optionally reading them from files or environment variables.

permissive licensepure Pythonabandoned
144.2Kdownloads / mo
stups-zign With conditions
PyPI · Utilities · released Apr 2026

Zign is a command-line utility for OAuth2 token management, enabling you to obtain and manage tokens for use in automated workflows and scripts.

Apache-2.0pure Python · 3.10+
130.3Kdownloads / mo
sty With conditions
PyPI · Terminals · released Nov 2023

Sty provides a simple, customizable string styling markup for terminal output, supporting 3/4bit, 8bit, and 24bit colors plus effects like bold, italic, and underline, with no external dependencies.

Apache-2.0pure Pythondormant
244.0Kdownloads / mo
style With conditions
PyPI · Terminals · released Mar 2019

Applies ANSI color and text styling to terminal output using a chainable API inspired by the JavaScript chalk package.

MITpure Pythonabandoned
149.4Kdownloads / mo
stylus Skip
PyPI · Build Tools · released Feb 2016

Bridges Python code to the Stylus CSS compiler, allowing you to compile Stylus stylesheets from Python by invoking the external Stylus library through Node.js.

permissive licensebuilds from sourceabandoned
81.9Kdownloads / mo
stytch Worth it
PyPI · WWW/HTTP · released Jun 2026

A Python client library for integrating Stytch's authentication and user infrastructure API into applications, supporting email magic links, OAuth, SMS/WhatsApp passcodes, WebAuthn, sessions, and B2B organization management.

Install it if you are building on Stytch's platform and need a typed, well-documented Python client for B2C or B2B authentication flows.

MITpure Python · 3.8+
822.6Kdownloads / mo
subagents-pydantic-ai With conditions
PyPI · Python Modules · released Aug 2026

Adds multi-agent delegation to Pydantic AI agents, letting you spawn and coordinate specialist subagents that run synchronously, asynchronously, or in auto-selected mode with built-in token tracking and task cancellation.

MITpure Python · 3.10+
242.5Kdownloads / mo
subarulink With conditions
PyPI · Internet · released Aug 2026

Interact with Subaru's MySubaru Connected Services API to retrieve vehicle status and control remote features like locks, horn, lights, and engine start on supported vehicles.

Apache-2.0pure Python · 3.14+
74.4Kdownloads / mo
subliminal Worth it
PyPI · Python Modules · released Jul 2026

Subliminal downloads subtitles for video files from multiple online providers, available as both a command-line tool and a Python library.

Install it if you regularly need to download subtitles for video files.

MITpure Python · 3.10+
106.7Kdownloads / mo
submitit With conditions
PyPI · Distributed Computing · released Dec 2025

Submitit wraps Slurm job submission and monitoring, letting you submit Python functions to a cluster and retrieve results, logs, and job status from within Python code.

MITpure Python · 3.8+aging
1.7Mdownloads / mo
subprocess-multitee Worth it
PyPI · Software Development · released Dec 2025

Multiplexes subprocess stdout/stderr to multiple destinations simultaneously, letting you capture output to a pipe while also displaying it in real-time or logging to files.

license unclearpure Python · 3.6+
88.5Kdownloads / mo
subprocess.run Skip
PyPI · Software Development · released Nov 2013

Provides a simplified interface to run shell commands and capture their output, status, and error streams in Python.

BSD-3-Clausebuilds from sourceabandoned
140.0Kdownloads / mo
subprocess-tee Worth it
PyPI · Utilities · released Jun 2024

A drop-in replacement for subprocess.run that captures output while printing it in real-time, similar to the Unix tee command.

Install it if you run subprocesses and want real-time feedback without losing the captured output.

MITpure Python · 3.8+
6.0Mdownloads / mo
subprocess32 Skip
PyPI · Libraries · released May 2019

A backport of Python 3's subprocess module to Python 2, with thread-safe fork/exec handling and timeout support for POSIX systems.

permissive licensecompiled wheelabandoned
710.2Kdownloads / mo
subprocrunner With conditions
PyPI · Libraries · released Apr 2024

Wraps Python's subprocess module to simplify running external commands, capturing output, handling retries, and checking return codes.

MITpure Python · 3.7+aging
228.8Kdownloads / mo
substrait With conditions
PyPI · Database · released Jul 2026

Provides a Python interface to construct, manipulate, and serialize Substrait Plans—cross-language specifications for data compute operations—for consumption by engines like DuckDB or DataFusion.

permissive licensepure Python
326.5Kdownloads / mo