Squash TF

Squash TF is an Open Source functional testing tool that integrates with various development tools and methodologies.

Squid

Squid is a caching proxy server that optimizes web delivery by caching frequently requested web pages, reducing bandwidth usage and improving response times.

Squirrel Servers Manager

Squirrel Servers Manager is an Open Source, user-friendly server management tool powered by Ansible and Docker.

Stackspin

Stackspin is an Open Source platform providing a secure and easy-to-manage suite of collaborative apps for value-driven teams.

Stalwart Mail Server is a secure, scalable, and flexible Open Source email platform.

SuiteCRM

SuiteCRM is a powerful, Open Source CRM solution that helps businesses manage customer relationships, streamline sales processes, and drive growth.

Supabase

The open source Firebase alternative

SuperTokens Core

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

GLPI is a powerful, Open Source service management software solution for efficient IT asset and helpdesk management.

Swetrix

Swetrix is a privacy-respecting, Open Source web analytics platform providing insightful data without using cookies.

Swetrix CAPTCHA

Swetrix CAPTCHA is a privacy-focused, Open Source CAPTCHA solution that is easy to integrate and customize for enhanced website security.

SYGEFOR is an Open Source web application for managing training programs within the URFIST network.

Sylk Suite is an Open Source, real-time communications platform for building custom multimedia applications accessible via SIP, XMPP, and WebRTC.

Symfony

Symfony is a high-performance PHP framework for building web applications, known for its flexibility, reusability, and large community support.

Sympa

Sympa is Open Source mailing list management software that simplifies communication and collaboration.

Synapse Admin is a maintained fork of the admin console for Matrix Synapse homeservers, offering enhanced features and usability.

Syslog-ng

syslog-ng Open Source Edition is a highly flexible and extensible log management system for collecting, processing, and routing logs from diverse sources.

Taiga

Taiga is a free and Open Source project management tool for agile teams offering Kanban and Scrum support, intuitive interface, and robust customization options.

Tanaguru

Tanaguru provides comprehensive web accessibility solutions, from training and consulting to Open Source tools and website development.

Tarantool

Tarantool is a high-performance, in-memory database that combines the speed of an application server with the reliability of a persistent database.

TDP is a free, Open Source, and community-driven big data platform offering robust performance, flexible deployment, and strong security.

Teampass is a secure, self-hosted, and collaborative password manager for teams and organizations.

TemaTres

TemaTres is an Open Source platform for managing, publishing, sharing, and reusing formal representations of knowledge.

TestLink is an Open Source test management system that helps teams organize, manage, and track software testing efforts efficiently.