Top 12 Open-Source Alternatives to Solidity

The top open-source alternatives to Solidity are TokenMint, Rust, and Haskell. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

TokenMint Landing Page
1

TokenMint

Deploy custom ERC20 or ERC223 tokens on Ethereum network.
Pricing:
- Open Source
#Developer Tools #Application Builder #Blockchain 2 social mentions
Rust Landing Page
2

Rust

A safe, concurrent, practical language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 44 social mentions
Haskell Landing Page
3

Haskell

An advanced purely-functional programming language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 21 social mentions
Insolar Landing Page
4

Insolar

Insolar is building a 4th generation blockchain platform for business aimed to enable seamless...
Pricing:
- Open Source
#Developer Tools #Application Builder #Blockchain
Python Landing Page
5

Python

Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 280 social mentions
FastAPI Landing Page
6

FastAPI

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
Pricing:
- Open Source
- Free
#Developer Tools #API Tools #Python Programming 233 social mentions
JSON Landing Page
7

JSON

(JavaScript Object Notation) is a lightweight data-interchange format
Pricing:
- Open Source
#Databases #NoSQL Databases #Software Development 13 social mentions
Agda Landing Page
8

Agda

Agda is a dependently typed functional programming language. It has inductive families, i.e.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 7 social mentions
Kivy Landing Page
9

Kivy

Open source Python framework for rapid development of applications that make use of innovative user interfaces, such as multi-touch apps. Installation on WindowsInstallation on Windows. Installation; What are wheels .
Pricing:
- Open Source
#Developer Tools #Rapid Application Development #Python Tools 46 social mentions
Squirrel (programming language) Landing Page
10

Squirrel (programming language)

Squirrel is a high level imperative, object-oriented programming language, designed to be a light-weight scripting language that fits in the size, memory bandwidth, and real-time requirements of applications like video games.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 2 social mentions
bitcore Landing Page
11

bitcore

An open-source platform to build bitcoin and blockchain-based applications.
Pricing:
- Open Source
#Web Frameworks #PHP MVC Framework #PHP Framework
Laravel Landing Page
12

Laravel

A PHP Framework For Web Artisans
Pricing:
- Open Source
#Developer Tools #Web Frameworks #PHP Framework 194 social mentions