Open-source software is increasingly popular among businesses for managing workflows due to its cost-effectiveness, customizability, and community support, with over 80% of companies using it as of 2023. This trend is driven by the desire to avoid the high costs and user lock-in associated with commercial tools. The article highlights 12 open-source alternatives to mainstream workflow management software, covering various domains such as project management, file management, and team communication, among others. It discusses the integration of these tools with n8n, a versatile workflow automation platform, to enhance their functionality. The article also emphasizes the importance of having DevOps skills when adopting open-source solutions and recommends considering both cloud and self-hosted options. Through n8n, users can create custom automations that synchronize multiple tools, offering a comprehensive solution for workflow management.