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Best Carbon Emissions Management Software in 2026

Organizations use carbon emissions management software to quantify emissions, arrange Scope 1, 2 and 3 information, and prepare sustainability disclosures. These products are available through web interfaces or APIs, with some supporting iOS, Android or Windows.

  1. 1

    CO2 AI

    Free plan APIWeb

    CO2 AI brings emissions measurement, reduction planning, supplier engagement, and reporting into one enterprise platform. Organizations can request pricing and try a plan free for 30 days.

    7.3 Pricing on request · 30-day trial Visit site
  2. 2

    Persefoni

    Free plan APIWeb

    Persefoni combines emissions accounting coverage with guided disclosure tools and anomaly detection.

    7.0 Free plan Visit site
  3. 3

    Vaayu

    Free plan APIWeb

    Vaayu combines company footprint tracking, product assessments, and reduction planning for retail and other businesses. Check plan scope and availability, and request pricing for paid access.

    6.7 Pricing on request Visit site
  4. 4

    CarbonChain

    Paid APIWeb

    CarbonChain combines emissions measurement, supplier analysis, and disclosure workflows for commodity-related organizations.

    5.8 Pricing on request · 14-day trial Visit site
  5. 5

    Oracle Fusion Cloud Sustainability

    Free plan Web
    5.8 Free plan Visit site
  6. 6

    Carbonfact

    Paid APIWeb

    Carbonfact combines fashion-focused emissions data, product assessment, reporting, and reduction planning.

    5.7 Pricing on request Visit site
  7. 7

    Plan A

    Paid APIWeb

    Plan A combines emissions measurement and reporting with target-setting and reduction planning for businesses. Buyers should note that pricing is on request and CSRD reporting is an add-on.

    5.4 Pricing on request Visit site
  8. 8

    SAP Integrated Business Planning

    by SAP Integrated Business Planning
    Paid WebWindows
    5.3 Pricing on request Visit site
  9. 9

    SpheraCloud

    Paid AndroidiPhoneWeb

    SpheraCloud Health and Safety Management combines safety records, reporting, and compliance workflows, with mobile and kiosk reporting options.

    5.3 Pricing on request Visit site
  10. 10

    SINAI Technologies

    Paid APIWeb

    Choose SINAI if your organization needs modular Scope 1–3 management that spans measurement, supplier engagement, reporting, and decarbonization planning.

    5.2 Pricing on request Visit site
  11. 11

    Benchmark Gensuite Sustainability

    Paid AndroidiPhoneWeb
    5.0 Pricing on request Visit site
  12. 12

    Sweep

    Paid Web

    Sweep brings emissions data collection, reporting, and AI-assisted workflows into one sustainability platform.

    5.0 Pricing on request Visit site
  13. 13

    Watershed

    Paid APIWeb

    Watershed combines emissions measurement, ESG reporting, and decarbonization planning in one platform.

    5.0 Pricing on request Visit site
  14. 14

    Greenly

    by Greenly
    Paid Web
    4.7 Pricing on request Visit site
  15. 15

    IBM Envizi

    Paid Web
    4.7 Pricing on request Visit site
  16. 16

    Intelex ESG and Sustainability

    Paid Web
    4.3 Pricing on request Visit site
  17. 17

    Microsoft Sustainability Manager

    Paid Web
    4.2 From $4,000/mo · 30-day trial Visit site
  18. 18

    Salesforce Net Zero Cloud

    Paid Web
    4.1 Pricing on request Visit site
  19. 19

    Workiva Carbon

    Paid Web
    3.8 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Assess free access, trial conditions and paid pricing, then examine Scope 3 accounting, emissions-scope coverage, reporting standards, data connections, supplier data collection and assurance support. If code access matters, review the licence; also confirm the platform fits your workflow.

Questions

Do these tools have free plans?

Yes. Oracle Fusion Cloud Sustainability, Persefoni and CO2 AI are examples of list entries with free-plan access. Check the included capabilities and limits before relying on a free plan.

Are free trials available?

Yes. The list shows trial examples lasting 14 days and 30 days. Check the product's current trial length, feature access and what happens when the trial ends.

How is paid pricing shown?

Pricing may be listed as a starting amount or as pricing on request. Microsoft Sustainability Manager starts at $4,000 per month on the list, while other examples provide pricing on request.

Can these tools handle Scope 3 emissions?

Scope 3 treatment is one way to compare products in this category. Review the individual tool's scope coverage and supplier data collection support for your requirements.

Which platforms do these tools support?

The list covers products offered through web, API, iOS, Android and Windows access. Confirm the supported platform for the product you want to use.

Are these tools open source?

Licence terms are tool-specific. If reading or changing code matters, review the product's licence and confirm whether it permits that use.

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