Best Free Supply Chain Sustainability Tools in 2026

Persefoni is a comprehensive carbon accounting and sustainability management platform designed to help businesses of all sizes and complexities measure, report, and decarbonize their greenhouse gas (GHG) emissions. It provides assurance-grade reporting for major climate disclosure regulations and supports net-zero target setting, reduction modeling, and supplier engagement. The platform leverages PersefoniAI, which includes features like Copilot for technical carbon accounting expertise, anomaly detection for large datasets, and natural language-based emission factor mapping. Persefoni also offers specialized solutions for financial services companies to measure financed emissions and provides expert support for navigating complex regulatory requirements like California's SB 253 and SB 261, offering both software tools and managed services for compliance.

Pledge Carbon provides a comprehensive platform for businesses to manage their carbon emissions, specifically focusing on supply chain logistics. It enables companies to accurately measure their carbon footprint across various transportation modes, including air, ocean, road, and rail, by integrating directly with existing operational data. The platform then offers tools and insights to identify opportunities for emissions reduction and facilitates the purchase of high-quality carbon credits to neutralize unavoidable emissions. This solution is designed for businesses involved in logistics, freight forwarding, and e-commerce that are looking to meet sustainability goals, comply with environmental regulations, and provide transparent carbon reporting to their customers and stakeholders. By streamlining the process of carbon accounting and offsetting, Pledge Carbon helps businesses enhance their environmental credentials and contribute to a greener supply chain.