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Best Emissions Management in 2026

Emissions management software helps organizations measure company or product emissions, organize carbon data, and plan reductions. These tools are delivered through web platforms or APIs, depending on the product.

  1. 1

    Persefoni

    Free plan APIWeb

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

    6.9 Free plan Visit site
  2. 2

    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.

    6.6 Pricing on request Visit site
  3. 3

    GreenStitch

    Free trial APIWeb

    GreenStitch brings carbon, ESG, product, supplier and decarbonisation work into one platform.

    6.0 From $3,000/yr · 15-day trial Visit site
  4. 4

    Arbor

    Paid APIWeb

    Choose Arbor if your company needs product carbon footprints alongside emissions measurement for assets or organizational activity.

    5.8 Visit site
  5. 5

    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
  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.

    5.3 Pricing on request Visit site
  8. 8

    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
  9. 9

    Watershed

    Paid APIWeb

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

    5.0 Pricing on request Visit site
  10. 10

    Sweep

    Paid Web

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

    4.9 Pricing on request Visit site
  11. 11

    Greenly

    by Greenly
    Paid Web
    4.6 Pricing on request Visit site
  12. 12

    IBM Envizi

    Paid Web
    4.6 Pricing on request Visit site
  13. 13

    Generate Zero

    Paid Web
    4.5 Pricing on request Visit site
  14. 14

    Envana Catalyst

    Paid Web
    4.4 Pricing on request Visit site
  15. 15

    KlimAktiv

    Paid Web
    4.2 Pricing on request Visit site
  16. 16

    IFS Zero

    Paid
    4.1 Pricing on request Visit site
  17. 17

    Optera

    Paid Web
    4.1 Pricing on request Visit site
  18. 18

    SAP Sustainability Control Tower

    Paid Web
    4.0 Pricing on request · 30-day trial Visit site
  19. 19

    Sphera Corporate Sustainability Software

    Paid Web
    3.9 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

Evaluate each product's Scope 1, 2, and 3 coverage, reporting frameworks, data-import options, and reduction-planning tools. Review listed free plans, trials, paid pricing, and licence terms where code access matters.

Questions

What functions does emissions management software provide?

It helps measure company or product emissions, track emissions scopes, report results, import data, and plan reductions.

Are free plans available?

Persefoni lists a free plan. Other products may use paid access or trials, so check the plan details for the product you are considering.

Which products offer a free trial?

CarbonChain shows a 14-day trial, and GreenStitch shows a 15-day trial.

How are these tools delivered?

Products on this list run through the web, APIs, or both. Arbor lists web and API access; other listed products specify web access.

What pricing information is available?

GreenStitch lists pricing from $3,000 per year. CarbonChain and GreenStitch list trial terms, while products such as Carbonfact and IBM Envizi list pricing on request.

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