Scalene

Fast line‑level CPU, GPU, and memory profiling with AI suggestions

scan4all

Unified, fast, multi-protocol vulnerability scanner for red teams

SciPipe

Fast, flexible Go library for building robust scientific pipelines

ScrapeGraphAI

LLM‑powered web scraping pipelines in just five lines of code

Scrapling

Adaptive web scraping that survives site changes effortlessly

Scrapy

Fast, high-level Python framework for web crawling and scraping

Screenity

Privacy-friendly screen recorder with unlimited recording and annotation

Screenpipe

24/7 local screen and audio capture with AI-powered search

Seafile

Privacy-focused cloud storage with selective sync and encryption

SeaweedFS

Scalable distributed file system with fast O(1) object access

SeekStorm

Sub-millisecond full-text search library with real-time indexing

Seldon Core 2

Deploy modular, data-centric AI applications at scale on Kubernetes

SeleniumBase

Python framework for fast, stealthy web automation and testing

Selfspy

Continuously logs computer activity for personal analytics

SendPortal

Self-hosted email marketing platform with campaign tracking and automation

Sensei LMS

WordPress-native LMS for creating courses, quizzes, and lessons

Sensu Go

Scalable, agent‑based monitoring for cloud‑native, distributed systems

Sentry

Real-time error tracking and performance monitoring for developers

Serena

Turn any LLM into a code‑aware development agent

Sermant

Proxyless Java Service Mesh Powered by Bytecode Enhancement

Servas

Self-hosted bookmark manager with tags, groups, and extensions

SGLang

High‑performance serving framework for LLMs and vision‑language models.

Shaark

Self-hosted platform for bookmarks, posts, passwords, and photos

Shaarli

Minimalist, fast, self-hosted bookmark manager for personal use