Top Free Smart Contracts Software

Check out our list of free Smart Contracts 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 Smart Contracts Software to ensure you get the right product.

View Free Smart Contracts 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.
3 Smart Contracts Products Available
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View all Smart Contracts Software
Ethereum
(41)4.3 out of 5
1st Easiest To Use in Smart Contracts software
View top Consulting Services for Ethereum
  • Overview
    Expand/Collapse Overview
    • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Ethereum is a platform and a programming language that makes it possible for any developer to build and publish next-generation decentralized applications.

    Users
    No information available
    Industries
    • Computer Software
    Market Segment
    • 78% Small-Business
    • 20% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
    • Ethereum features and usability ratings that predict user satisfaction
    6.8
    Quality of Support
    Average: 8.6
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
    • Amit M.
    AM
    I like its security and transparency. Data is very much secure with private key, smart contracts are the backbone. Read review
    Faran Ahmed Y.
    FY
    Time when Ethereum came, transactions with messages really astonished me that we can send transactions with messages as well. This really helped us... Read review
  • Seller Details
    Expand/Collapse Seller Details
    • Seller Details
    Seller
    Ethereum Project
    Year Founded
    2014
    HQ Location
    N/A
    Twitter
    @ethereumproject
    1,823 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    984 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Ethereum is a platform and a programming language that makes it possible for any developer to build and publish next-generation decentralized applications.

Users
No information available
Industries
  • Computer Software
Market Segment
  • 78% Small-Business
  • 20% Mid-Market
Ethereum features and usability ratings that predict user satisfaction
6.8
Quality of Support
Average: 8.6
Amit M.
AM
I like its security and transparency. Data is very much secure with private key, smart contracts are the backbone. Read review
Faran Ahmed Y.
FY
Time when Ethereum came, transactions with messages really astonished me that we can send transactions with messages as well. This really helped us... Read review
Seller Details
Seller
Ethereum Project
Year Founded
2014
HQ Location
N/A
Twitter
@ethereumproject
1,823 Twitter followers
LinkedIn® Page
www.linkedin.com
984 employees on LinkedIn®
Kaleido
(24)4.8 out of 5
Entry Level Price:$0 Limit of 5 nodes an...
  • Overview
    Expand/Collapse Overview
    • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Kaleido is the award-winning, enterprise-grade platform making blockchain and digital assets radically simple for organizations to adopt. Kaleido provides a complete stack for building blockchain-ba

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 58% Small-Business
    • 33% Enterprise
  • User Satisfaction
    Expand/Collapse User Satisfaction
    • Kaleido features and usability ratings that predict user satisfaction
    9.4
    Quality of Support
    Average: 8.6
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
    • Jackson (แจ็ค) N.
    JN
    I was building a handful of prototypes for businesses testing several Blockchain ideas. Through the process of building these prototypes, we have... Read review
    Ifte .
    I
    In the arena of BAS, indeed Kaleido is one of the best. Read review
  • Seller Details
    Expand/Collapse Seller Details
    • Seller Details
    Seller
    Kaleido
    Year Founded
    2017
    HQ Location
    Raleigh, North Carolina
    Twitter
    @Kaleido_io
    4,579 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    71 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Kaleido is the award-winning, enterprise-grade platform making blockchain and digital assets radically simple for organizations to adopt. Kaleido provides a complete stack for building blockchain-ba

Users
No information available
Industries
No information available
Market Segment
  • 58% Small-Business
  • 33% Enterprise
Kaleido features and usability ratings that predict user satisfaction
9.4
Quality of Support
Average: 8.6
Jackson (แจ็ค) N.
JN
I was building a handful of prototypes for businesses testing several Blockchain ideas. Through the process of building these prototypes, we have... Read review
Ifte .
I
In the arena of BAS, indeed Kaleido is one of the best. Read review
Seller Details
Seller
Kaleido
Year Founded
2017
HQ Location
Raleigh, North Carolina
Twitter
@Kaleido_io
4,579 Twitter followers
LinkedIn® Page
www.linkedin.com
71 employees on LinkedIn®
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Firma.dev
(4)4.8 out of 5
Entry Level Price:$0.02
  • Overview
    Expand/Collapse Overview
    • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Firma.dev is a pay-as-you-go e-signature API built for developers at startups and SaaS companies. At $0.029 per envelope with no monthly minimums, it costs a fraction of legacy platforms while deliver

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 100% Small-Business
  • User Satisfaction
    Expand/Collapse User Satisfaction
    • Firma.dev features and usability ratings that predict user satisfaction
    10.0
    Quality of Support
    Average: 8.6
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
    • Verified User in Logistics and Supply Chain
    UL
    That it fills the need we need as a business, It's a very vertical solution with a clear function that's cheaper than the current market. Read review
    Erlangga W.
    EW
    I like Firma.dev because it's easy to integrate, which was important for us when we migrated from another e-signature software. The responsive... Read review
  • Seller Details
    Expand/Collapse Seller Details
    • Seller Details
    Seller
    Firma.dev
    Year Founded
    2025
    HQ Location
    N/A
    LinkedIn® Page
    www.linkedin.com
    2 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Firma.dev is a pay-as-you-go e-signature API built for developers at startups and SaaS companies. At $0.029 per envelope with no monthly minimums, it costs a fraction of legacy platforms while deliver

Users
No information available
Industries
No information available
Market Segment
  • 100% Small-Business
Firma.dev features and usability ratings that predict user satisfaction
10.0
Quality of Support
Average: 8.6
Verified User in Logistics and Supply Chain
UL
That it fills the need we need as a business, It's a very vertical solution with a clear function that's cheaper than the current market. Read review
Erlangga W.
EW
I like Firma.dev because it's easy to integrate, which was important for us when we migrated from another e-signature software. The responsive... Read review
Seller Details
Seller
Firma.dev
Year Founded
2025
HQ Location
N/A
LinkedIn® Page
www.linkedin.com
2 employees on LinkedIn®