For businesses seeking cost-effective marketing automation, these free open-source tools offer powerful features. Leadsius is ideal for startups, offering intuitive campaign management and lead tracking. SalesAutoPilot blends CRM and marketing automation for smoother workflows. Jumplead helps convert visitors into leads through smart forms and real-time engagement. Mautic stands out with its robust customization, email marketing, and advanced analytics. OpenEMM focuses on professional email campaign management with detailed reports. Act-On (while limited in free use) supports multi-channel automation for growing teams. Finally, Sage CRM integrates marketing with sales functions, providing clear visibility and control across customer journeys.