Open source focus

Open Source Alternatives to Fourchain

31 open source Blockchain options similar to Fourchain, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Cardano55
Blockchain
A secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.
Open source · Self-hostable
Archimedes52
Fintech$7.3M
Open-source lending protocol for superior capital efficiency in Decentralized Finance (DeFi).
Open source · Self-hostable
Blockmesh Network31
BlockchainIsrael, Israel
Decentralized data infrastructure and AI framework for AI training, inference, and ecosystem intelligence.
Open source · Self-hostable
Open Bitcoin Tracker23
Fintech
A privacy-focused, open-source Android app to track Bitcoin value without accounts or analytics.
Open source · Self-hostable
Faremeter22
Fintech
Open-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable
Novapanda20
Fintech
VDC verifiable delivery certificates with open protocols, open source specifications, and mock trial nodes online.
Open source
x402scan10
Fintech
An ecosystem explorer and analytics platform for the x402 protocol and agentic commerce.
Open source · Self-hostable
Nous Research63
Artificial IntelligenceSan Francisco, United States$145.0M
Open-source AI research lab training decentralized large language models on Solana blockchain
Open source · Self-hostable
DIMO59
Connected VehiclesBrooklyn, United States$20.5M
DIMO is a decentralized vehicle data network that empowers car owners to collect, control, and monetize their vehicle data, enabling developers to build mobility applications.
Open source
ChainSafe Systems57
Web3Toronto, Canada$18.8M
Leading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
Open source · Self-hostable
Akash Network56
DePINSan Francisco, United States$2.0M
Decentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
Open source · Self-hostable
Manyverse21
Decentralized Social Network
Manyverse is a social network client that uses a peer-to-peer protocol, allowing users to create and share content offline and without central servers.
Open source · Self-hostable
Linux Foundation15
Open SourceSan Francisco, USA
A non-profit technology consortium supporting the development of Linux and other open-source software projects.
Open source · Self-hostable
Elementor69
WebsiteRamat Gan, Israel$65.8M
Elementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
TanStack50
Software DevelopmentSan Francisco, Canada$1.0M
Developer tools for building modern web applications.
Open source · Self-hostable
Slauth.io43
EnterpriseAshburn, United States$1.5M
Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
vxtwitter.com31
Web DevelopmentSan Francisco, United States
The world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.
Open source · Self-hostable
fixupx.com26
Web DevelopmentSan Francisco, United States
The world's leading software development platform for version control and collaboration.
Open source · Self-hostable
Camunda Inc.19
Process AutomationBerlin, Germany
Company
Open source · Self-hostable
Pretext18
Web Development
A zero-dependency TypeScript library for multiline text measurement and layout entirely in userland, bypassing DOM performance bottlenecks.
Open source · Self-hostable
esbuild14
Developer Tools
Extremely fast JavaScript bundler and minifier for the web, written in Go.
Open source · Self-hostable
Openmetaverse11
Metaverse Interoperability
A non-profit organization dedicated to fostering open standards and software for a scalable, interoperable, and vendor-neutral metaverse.
Open source
Codius AI10
Smart ContractsSan Francisco, United States
An open-source hosting protocol for smart programs and decentralized applications.
Open source
WebDriverIO10
Developer Tools
An open-source, Node.js-based framework for web and mobile automation testing.
Open source · Self-hostable
Harikrut Technolab8
WordPress Plugins
WordPress & WooCommerce plugin studio building open-source and custom plugins.
Open source
TestCafe7
Developer Tools
An open-source Node.js tool for automated web testing, simplifying end-to-end test creation and execution across browsers.
Open source · Self-hostable
Hyperledger7
Blockchain
An open-source collaborative effort hosted by The Linux Foundation to advance cross-industry blockchain technologies.
Open source
Cadenceos6
Operating System
CadenceOS is an open-source operating system designed for web-based applications and cloud-native environments, offering a secure and flexible platform.
Open source · Self-hostable
Nextdoctor6
Developer Tools
Live memory monitoring, diagnostics, and auto-tuning for your Next.js dev server.
Open source
Ucoder2
Developer ToolsWest Bengal, India
UCoder provides privacy-first developer tools and services, including an analytics solution and web development.
Open source
Boringstack
Developer Tools
Pre-configured GitHub templates for building modern web applications with UI, API, and infrastructure.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
CardanoA secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.	Blockchain	Open source · Self-hostable	—	—	55
ArchimedesOpen-source lending protocol for superior capital efficiency in Decentralized Finance (DeFi).	Fintech	Open source · Self-hostable	—	$7.3M	52
Blockmesh NetworkDecentralized data infrastructure and AI framework for AI training, inference, and ecosystem intelligence.	Blockchain	Open source · Self-hostable	Israel, Israel	—	31
Open Bitcoin TrackerA privacy-focused, open-source Android app to track Bitcoin value without accounts or analytics.	Fintech	Open source · Self-hostable	—	—	23
FaremeterOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.	Fintech	Open source · Self-hostable	—	—	22
NovapandaVDC verifiable delivery certificates with open protocols, open source specifications, and mock trial nodes online.	Fintech	Open source	—	—	20
x402scanAn ecosystem explorer and analytics platform for the x402 protocol and agentic commerce.	Fintech	Open source · Self-hostable	—	—	10
Nous ResearchOpen-source AI research lab training decentralized large language models on Solana blockchain	Artificial Intelligence	Open source · Self-hostable	San Francisco, United States	$145.0M	63
DIMODIMO is a decentralized vehicle data network that empowers car owners to collect, control, and monetize their vehicle data, enabling developers to build mobility applications.	Connected Vehicles	Open source	Brooklyn, United States	$20.5M	59
ChainSafe SystemsLeading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.	Web3	Open source · Self-hostable	Toronto, Canada	$18.8M	57
Akash NetworkDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).	DePIN	Open source · Self-hostable	San Francisco, United States	$2.0M	56
ManyverseManyverse is a social network client that uses a peer-to-peer protocol, allowing users to create and share content offline and without central servers.	Decentralized Social Network	Open source · Self-hostable	—	—	21
Linux FoundationA non-profit technology consortium supporting the development of Linux and other open-source software projects.	Open Source	Open source · Self-hostable	San Francisco, USA	—	15
ElementorElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.	Website	Open source · Self-hostable	Ramat Gan, Israel	$65.8M	69
TanStackDeveloper tools for building modern web applications.	Software Development	Open source · Self-hostable	San Francisco, Canada	$1.0M	50
Slauth.ioArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.	Enterprise	Open source · Self-hostable	Ashburn, United States	$1.5M	43
vxtwitter.comThe world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.	Web Development	Open source · Self-hostable	San Francisco, United States	—	31
fixupx.comThe world's leading software development platform for version control and collaboration.	Web Development	Open source · Self-hostable	San Francisco, United States	—	26
Camunda Inc.Company	Process Automation	Open source · Self-hostable	Berlin, Germany	—	19
PretextA zero-dependency TypeScript library for multiline text measurement and layout entirely in userland, bypassing DOM performance bottlenecks.	Web Development	Open source · Self-hostable	—	—	18
esbuildExtremely fast JavaScript bundler and minifier for the web, written in Go.	Developer Tools	Open source · Self-hostable	—	—	14
OpenmetaverseA non-profit organization dedicated to fostering open standards and software for a scalable, interoperable, and vendor-neutral metaverse.	Metaverse Interoperability	Open source	—	—	11
Codius AIAn open-source hosting protocol for smart programs and decentralized applications.	Smart Contracts	Open source	San Francisco, United States	—	10
WebDriverIOAn open-source, Node.js-based framework for web and mobile automation testing.	Developer Tools	Open source · Self-hostable	—	—	10
Harikrut TechnolabWordPress & WooCommerce plugin studio building open-source and custom plugins.	WordPress Plugins	Open source	—	—	8
TestCafeAn open-source Node.js tool for automated web testing, simplifying end-to-end test creation and execution across browsers.	Developer Tools	Open source · Self-hostable	—	—	7
HyperledgerAn open-source collaborative effort hosted by The Linux Foundation to advance cross-industry blockchain technologies.	Blockchain	Open source	—	—	7
CadenceosCadenceOS is an open-source operating system designed for web-based applications and cloud-native environments, offering a secure and flexible platform.	Operating System	Open source · Self-hostable	—	—	6
NextdoctorLive memory monitoring, diagnostics, and auto-tuning for your Next.js dev server.	Developer Tools	Open source	—	—	6
UcoderUCoder provides privacy-first developer tools and services, including an analytics solution and web development.	Developer Tools	Open source	West Bengal, India	—	2
BoringstackPre-configured GitHub templates for building modern web applications with UI, API, and infrastructure.	Developer Tools	Open source · Self-hostable	—	—	—