Top Open Source Alternatives to Popular SaaS Apps

Discover open-source apps categorized by the SaaS tools they replace. Find high-quality, free alternatives to your favorite software.

PlayFab

A comprehensive backend platform for building and operating live games, offering services for multiplayer, LiveOps, and analytics.

1 Open Source Alternatives to PlayFab

Postman

A popular API development and testing tool that simplifies the process of building, testing, and documenting APIs.

1 Open Source Alternatives to Postman

Product Hunt

A platform for discovering and sharing new technology products, apps, and startups, fostering community engagement and innovation.

1 Open Source Alternatives to Product Hunt

Rebrandly

A leading link management platform that allows users to create, manage, and track branded short URLs with advanced analytics and customization features.

1 Open Source Alternatives to Rebrandly

Salesforce

A cloud-based customer relationship management (CRM) platform offering a suite of applications for sales, service, marketing, and more.

1 Open Source Alternatives to Salesforce

Semrush

A comprehensive online marketing toolkit that provides tools for SEO, PPC, content marketing, social media, and competitive research.

1 Open Source Alternatives to Semrush

SendGrid

A cloud-based email delivery platform that offers email marketing, transactional email services, and robust analytics for businesses.

1 Open Source Alternatives to SendGrid

Sketch

A vector graphics editor for macOS, primarily used for UI and UX design, offering robust features for prototyping and collaboration.

1 Open Source Alternatives to Sketch

Snowflake

A cloud-based data platform that provides data warehousing, analytics, and data sharing capabilities across multiple cloud environments.

1 Open Source Alternatives to Snowflake

Squarespace

A website building platform that allows users to create professional websites, online stores, and blogs with customizable templates.

1 Open Source Alternatives to Squarespace

StatusPage

A communication tool developed by Atlassian that helps organizations inform users about system status, outages, and scheduled maintenance.

1 Open Source Alternatives to StatusPage

Substack

An online platform that enables writers to publish subscription-based newsletters, providing tools for content distribution and monetization.

1 Open Source Alternatives to Substack