Introducing G2.ai, the future of software buying.Try now

Top Free Carbon Accounting Software

Check out our list of free Carbon Accounting Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all Carbon Accounting Software to ensure you get the right product.

View Free Carbon Accounting Software

G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our scoring methodologies.
13 Carbon Accounting Products Available
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Carbonze is a next-generation carbon accounting and sustainability management platform designed to help organizations measure, manage, and reduce their environmental footprint with clarity and confide

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 80% Small-Business
    • 10% Enterprise
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Verified User in Banking
    CB
    Cost-effective yet powerful and easy-to-use dashboard, comprehensive onboarding and attentive customer support. Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Carbonze
    Year Founded
    2022
    HQ Location
    Berlin, DE
    LinkedIn® Page
    www.linkedin.com
    5 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Carbonze is a next-generation carbon accounting and sustainability management platform designed to help organizations measure, manage, and reduce their environmental footprint with clarity and confide

Users
No information available
Industries
No information available
Market Segment
  • 80% Small-Business
  • 10% Enterprise
Verified User in Banking
CB
Cost-effective yet powerful and easy-to-use dashboard, comprehensive onboarding and attentive customer support. Read review
Seller Details
Seller
Carbonze
Year Founded
2022
HQ Location
Berlin, DE
LinkedIn® Page
www.linkedin.com
5 employees on LinkedIn®
Entry Level Price:Free
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Persefoni is a leading provider of carbon accounting and sustainability management software, headquartered in the United States and serving organizations globally. Founded in 2020, Persefoni helps com

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 64% Mid-Market
    • 27% Small-Business
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Verified User in Health, Wellness and Fitness
    AH
    One of the hardest thing to do is to get setup! The Persefoni team is out standing in helping you get your carbon footprint setup. Read review
    Verified User in Machinery
    UM
    Kept simple. And dates can be uploaded in excel files Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Persefoni
    HQ Location
    Tempe, Arizona
    Twitter
    @Persefoni
    875 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    125 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Persefoni is a leading provider of carbon accounting and sustainability management software, headquartered in the United States and serving organizations globally. Founded in 2020, Persefoni helps com

Users
No information available
Industries
No information available
Market Segment
  • 64% Mid-Market
  • 27% Small-Business
Verified User in Health, Wellness and Fitness
AH
One of the hardest thing to do is to get setup! The Persefoni team is out standing in helping you get your carbon footprint setup. Read review
Verified User in Machinery
UM
Kept simple. And dates can be uploaded in excel files Read review
Seller Details
Seller
Persefoni
HQ Location
Tempe, Arizona
Twitter
@Persefoni
875 Twitter followers
LinkedIn® Page
www.linkedin.com
125 employees on LinkedIn®

This is how G2 Deals can help you:

  • Easily shop for curated – and trusted – software
  • Own your own software buying journey
  • Discover exclusive deals on software
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    EnergyElephant is one of the fastest-growing energy and sustainability management software platforms. It covers energy, waste, water and more, across cost, consumption and carbon, all in one simpl

    Users
    No information available
    Industries
    • Government Administration
    Market Segment
    • 47% Mid-Market
    • 33% Enterprise
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Ganesh S.
    GS
    It can highlight the cost if we utilise engery beyond certain levels. Read review
    AD
    The support that is given, as energy elephant, holds a lot of information; it can take time to get your head around it, but the support and... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2015
    HQ Location
    Dublin City, Ireland
    Twitter
    @EnergyElephant
    3,326 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    6 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

EnergyElephant is one of the fastest-growing energy and sustainability management software platforms. It covers energy, waste, water and more, across cost, consumption and carbon, all in one simpl

Users
No information available
Industries
  • Government Administration
Market Segment
  • 47% Mid-Market
  • 33% Enterprise
Ganesh S.
GS
It can highlight the cost if we utilise engery beyond certain levels. Read review
AD
The support that is given, as energy elephant, holds a lot of information; it can take time to get your head around it, but the support and... Read review
Seller Details
Year Founded
2015
HQ Location
Dublin City, Ireland
Twitter
@EnergyElephant
3,326 Twitter followers
LinkedIn® Page
www.linkedin.com
6 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    The IBM Environmental Intelligence Suite is an AI-powered SaaS solution that provides organizations with timely and fact-based actionable intelligence to proactively plan and manage the economic impac

    Users
    No information available
    Industries
    • Information Technology and Services
    • Accounting
    Market Segment
    • 39% Mid-Market
    • 35% Small-Business
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Verified User in Pharmaceuticals
    UP
    The accuracy of the software is extremely high. It reduces the effort of collecting, storing & validating data from multiple sources. Read review
    Verified User in Automotive
    UA
    User-friendly and quick to learn and navigate. Great back end customer support and training videos availability helps when struck with an issue. Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    IBM
    Year Founded
    1911
    HQ Location
    Armonk, NY
    Twitter
    @IBM
    708,968 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    339,241 employees on LinkedIn®
    Ownership
    SWX:IBM
Product Description
How are these determined?Information
This description is provided by the seller.

The IBM Environmental Intelligence Suite is an AI-powered SaaS solution that provides organizations with timely and fact-based actionable intelligence to proactively plan and manage the economic impac

Users
No information available
Industries
  • Information Technology and Services
  • Accounting
Market Segment
  • 39% Mid-Market
  • 35% Small-Business
Verified User in Pharmaceuticals
UP
The accuracy of the software is extremely high. It reduces the effort of collecting, storing & validating data from multiple sources. Read review
Verified User in Automotive
UA
User-friendly and quick to learn and navigate. Great back end customer support and training videos availability helps when struck with an issue. Read review
Seller Details
Seller
IBM
Year Founded
1911
HQ Location
Armonk, NY
Twitter
@IBM
708,968 Twitter followers
LinkedIn® Page
www.linkedin.com
339,241 employees on LinkedIn®
Ownership
SWX:IBM
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Ideagen Carbon Accounting is an AI-powered platform designed to streamline and enhance the accuracy and efficiency of greenhouse gas (GHG) accounting. The platform simplifies the complex processes inv

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 50% Enterprise
    • 50% Mid-Market
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Verified User in Education Management
    UE
    Using Ideagen Carbon Accounting allows me to easily upload our data to quickly see our carbon emissions. I can see on my dashboard what is missing... Read review
    Verified User in Hospital & Health Care
    UH
    The platform is really easy to use and the staff have really helped ensure it meets my needs and the needs of my organisation. Implementation was... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Ideagen
    Year Founded
    2000
    HQ Location
    Ruddington, Nottingham
    Twitter
    @Ideagen_
    2,188 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    1,314 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Ideagen Carbon Accounting is an AI-powered platform designed to streamline and enhance the accuracy and efficiency of greenhouse gas (GHG) accounting. The platform simplifies the complex processes inv

Users
No information available
Industries
No information available
Market Segment
  • 50% Enterprise
  • 50% Mid-Market
Verified User in Education Management
UE
Using Ideagen Carbon Accounting allows me to easily upload our data to quickly see our carbon emissions. I can see on my dashboard what is missing... Read review
Verified User in Hospital & Health Care
UH
The platform is really easy to use and the staff have really helped ensure it meets my needs and the needs of my organisation. Implementation was... Read review
Seller Details
Seller
Ideagen
Year Founded
2000
HQ Location
Ruddington, Nottingham
Twitter
@Ideagen_
2,188 Twitter followers
LinkedIn® Page
www.linkedin.com
1,314 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Faradai Sustain is a powerful, AI-driven solution that helps organisations manage their sustainability data, carbon emissions and ESG data effectively. With a focus on simplicity and accuracy, it supp

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 100% Small-Business
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Antonio L.
    AL
    Faradai Sustain is the tool that I needed to perform my ESG and carbon accounting calculations. The ease of use together with the already build... Read review
    Verified User in Consulting
    CC
    Faradai Sustain is like the Swiss army knife of sustainability data management, and let me tell you, it's making some waves. First off, data... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Faradai
    Year Founded
    2017
    HQ Location
    London, GB
    Twitter
    @faradai_ai
    156 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    28 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Faradai Sustain is a powerful, AI-driven solution that helps organisations manage their sustainability data, carbon emissions and ESG data effectively. With a focus on simplicity and accuracy, it supp

Users
No information available
Industries
No information available
Market Segment
  • 100% Small-Business
Antonio L.
AL
Faradai Sustain is the tool that I needed to perform my ESG and carbon accounting calculations. The ease of use together with the already build... Read review
Verified User in Consulting
CC
Faradai Sustain is like the Swiss army knife of sustainability data management, and let me tell you, it's making some waves. First off, data... Read review
Seller Details
Seller
Faradai
Year Founded
2017
HQ Location
London, GB
Twitter
@faradai_ai
156 Twitter followers
LinkedIn® Page
www.linkedin.com
28 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    GreenStitch is an AI-powered sustainability management platform tailor-made for the fashion and textile industry. It simplifies carbon accounting, ESG reporting, supply chain decarbonisation, and prod

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 50% Mid-Market
    • 25% Enterprise
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • NA
    Easy to use, ease of implementation, better customer support & Ease of Integration, User Interface, Report & Data Processing. Read review
    Monisha C.
    MC
    What I like most about GreenStitch Sustainability Software is that it makes data entry and tracking for all units easy in one place, helping to... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2023
    HQ Location
    London, GB
    LinkedIn® Page
    www.linkedin.com
    23 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

GreenStitch is an AI-powered sustainability management platform tailor-made for the fashion and textile industry. It simplifies carbon accounting, ESG reporting, supply chain decarbonisation, and prod

Users
No information available
Industries
No information available
Market Segment
  • 50% Mid-Market
  • 25% Enterprise
NA
Easy to use, ease of implementation, better customer support & Ease of Integration, User Interface, Report & Data Processing. Read review
Monisha C.
MC
What I like most about GreenStitch Sustainability Software is that it makes data entry and tracking for all units easy in one place, helping to... Read review
Seller Details
Year Founded
2023
HQ Location
London, GB
LinkedIn® Page
www.linkedin.com
23 employees on LinkedIn®
Entry Level Price:Free
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Breeze is the easiest, most accurate way to measure carbon emissions. It brings together everything you need—your team, your activity data, emission factors, unit conversion factors, and more—so you c

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 100% Small-Business
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Verified User in Computer Software
    EC
    I love Breeze because it's designed for me to use myself. I can create an account, upload data, make any changes, and produce reports with no need... Read review
    Gabrielle L.
    GL
    The on-boarding process on Breeze is extremely easy and efficient. It simplifies carbon accounting and brings together everything you need to... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    newOS
    Year Founded
    2019
    HQ Location
    Geretsried, DE
    LinkedIn® Page
    www.linkedin.com
    2 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Breeze is the easiest, most accurate way to measure carbon emissions. It brings together everything you need—your team, your activity data, emission factors, unit conversion factors, and more—so you c

Users
No information available
Industries
No information available
Market Segment
  • 100% Small-Business
Verified User in Computer Software
EC
I love Breeze because it's designed for me to use myself. I can create an account, upload data, make any changes, and produce reports with no need... Read review
Gabrielle L.
GL
The on-boarding process on Breeze is extremely easy and efficient. It simplifies carbon accounting and brings together everything you need to... Read review
Seller Details
Seller
newOS
Year Founded
2019
HQ Location
Geretsried, DE
LinkedIn® Page
www.linkedin.com
2 employees on LinkedIn®
(7)4.4 out of 5
View top Consulting Services for Salesforce Net Zero Cloud
Save to My Lists
Entry Level Price:$48,000.00
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Reduce emissions and costs all at once with an award-winning sustainability management platform that serves as a single source of truth for all ESG data. Increase productivity by automating your carbo

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 43% Mid-Market
    • 29% Enterprise
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Thomas C.
    TC
    Net Zero Cloud is amazing because it puts sustainability teams in the driver seat with investor grade reporting. It drives powerful & actionable... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    1999
    HQ Location
    San Francisco, CA
    Twitter
    @salesforce
    578,113 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    86,064 employees on LinkedIn®
    Ownership
    NYSE:CRM
Product Description
How are these determined?Information
This description is provided by the seller.

Reduce emissions and costs all at once with an award-winning sustainability management platform that serves as a single source of truth for all ESG data. Increase productivity by automating your carbo

Users
No information available
Industries
No information available
Market Segment
  • 43% Mid-Market
  • 29% Enterprise
Thomas C.
TC
Net Zero Cloud is amazing because it puts sustainability teams in the driver seat with investor grade reporting. It drives powerful & actionable... Read review
Seller Details
Year Founded
1999
HQ Location
San Francisco, CA
Twitter
@salesforce
578,113 Twitter followers
LinkedIn® Page
www.linkedin.com
86,064 employees on LinkedIn®
Ownership
NYSE:CRM
(133)4.4 out of 5
Optimized for quick response
View top Consulting Services for VelocityEHS Accelerate | EHS & ESG
Save to My Lists
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    VelocityEHS is the global leader in EHS & Sustainability software, pioneering human-centered AI to make workplaces safer, faster. Protecting over 10 million workers worldwide, the VelocityEHS Acce

    Users
    • Safety Manager
    Industries
    • Manufacturing
    • Hospital & Health Care
    Market Segment
    • 47% Mid-Market
    • 39% Enterprise
    User Sentiment
    How are these determined?Information
    These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
    • VelocityEHS Accelerate is a platform that integrates multiple EHS functions, providing tools for tracking chemical data, safety documentation, and compliance requirements across various locations.
    • Users frequently mention the user-friendly interface, the ease of use, the valuable training aspects, and the effective assessment portion of the software, which enhances their experience and efficiency in conducting workplace safety assessments.
    • Reviewers noted some areas of the platform feel rigid, navigation between modules can sometimes feel fragmented, certain tasks require more steps than necessary, and updates to SDS or product information take longer than expected to appear across all modules.
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Company Website
    Year Founded
    1996
    HQ Location
    Chicago, US
    Twitter
    @velocityehs
    1,155 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    586 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

VelocityEHS is the global leader in EHS & Sustainability software, pioneering human-centered AI to make workplaces safer, faster. Protecting over 10 million workers worldwide, the VelocityEHS Acce

Users
  • Safety Manager
Industries
  • Manufacturing
  • Hospital & Health Care
Market Segment
  • 47% Mid-Market
  • 39% Enterprise
User Sentiment
How are these determined?Information
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
  • VelocityEHS Accelerate is a platform that integrates multiple EHS functions, providing tools for tracking chemical data, safety documentation, and compliance requirements across various locations.
  • Users frequently mention the user-friendly interface, the ease of use, the valuable training aspects, and the effective assessment portion of the software, which enhances their experience and efficiency in conducting workplace safety assessments.
  • Reviewers noted some areas of the platform feel rigid, navigation between modules can sometimes feel fragmented, certain tasks require more steps than necessary, and updates to SDS or product information take longer than expected to appear across all modules.
Seller Details
Company Website
Year Founded
1996
HQ Location
Chicago, US
Twitter
@velocityehs
1,155 Twitter followers
LinkedIn® Page
www.linkedin.com
586 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Carboledger is an enterprise platform that simplifies carbon transparency across the value chain. We empower sustainability leaders to leverage product sustainability for business growth. Carboledger

    We don't have enough data from reviews to share who uses this product. Leave a review to contribute, or learn more about review generation.
    Industries
    No information available
    Market Segment
    No information available
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2021
    HQ Location
    New York, US
    LinkedIn® Page
    www.linkedin.com
    7 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Carboledger is an enterprise platform that simplifies carbon transparency across the value chain. We empower sustainability leaders to leverage product sustainability for business growth. Carboledger

We don't have enough data from reviews to share who uses this product. Leave a review to contribute, or learn more about review generation.
Industries
No information available
Market Segment
No information available
Seller Details
Year Founded
2021
HQ Location
New York, US
LinkedIn® Page
www.linkedin.com
7 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Climatiq is the leading carbon intelligence solution used by over 10,000 teams worldwide. Our products include an AI-powered carbon calculation engine and the largest dataset of verified emission fact

    We don't have enough data from reviews to share who uses this product. Leave a review to contribute, or learn more about review generation.
    Industries
    No information available
    Market Segment
    No information available
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Climatiq
    Year Founded
    2021
    HQ Location
    Berlin, Berlin, Germany
    LinkedIn® Page
    www.linkedin.com
    40 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Climatiq is the leading carbon intelligence solution used by over 10,000 teams worldwide. Our products include an AI-powered carbon calculation engine and the largest dataset of verified emission fact

We don't have enough data from reviews to share who uses this product. Leave a review to contribute, or learn more about review generation.
Industries
No information available
Market Segment
No information available
Seller Details
Seller
Climatiq
Year Founded
2021
HQ Location
Berlin, Berlin, Germany
LinkedIn® Page
www.linkedin.com
40 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Dubrink is an all-in-one CBAM compliance platform designed to help importers, suppliers, distributors, customs representatives, consultants, and verifiers navigate the complexities of the EU Carbon Bo

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 100% Small-Business
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Luigi V.
    LV
    I like the fact that the platform is essential, although it guides you in all the steps of a CBAM declaration, from calculation to the preparation... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2024
    HQ Location
    Prague 1, CZ
    LinkedIn® Page
    www.linkedin.com
    2 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Dubrink is an all-in-one CBAM compliance platform designed to help importers, suppliers, distributors, customs representatives, consultants, and verifiers navigate the complexities of the EU Carbon Bo

Users
No information available
Industries
No information available
Market Segment
  • 100% Small-Business
Luigi V.
LV
I like the fact that the platform is essential, although it guides you in all the steps of a CBAM declaration, from calculation to the preparation... Read review
Seller Details
Year Founded
2024
HQ Location
Prague 1, CZ
LinkedIn® Page
www.linkedin.com
2 employees on LinkedIn®