Open source focus

Open Source Alternatives to SendBlocks

29 open source Blockchain options similar to SendBlocks, 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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ChainSafe Systems57
Web3Toronto, Canada$18.8M
Leading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
Open source · Self-hostable
Appwrite58
EnterpriseSan Francisco, United States$37.0M
Open-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
Odigos56
Enterprise$13.0M
Open-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
Open source · Self-hostable
MetalBear56
Software DevelopmentSan Francisco, United States$12.5M
Open-core company building tools for modern backend engineers to ship faster and better.
Open source · Self-hostable
Responsive35
EnterpriseSan Francisco, United States
Platform for developers building stateful reactive applications on the modern cloud with object store native databases.
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
Faremeter22
Fintech
Open-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable
ScyllaDB67
DatabasePalo Alto, United States$101.0M
ScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
Logz.io63
EnterpriseTel Aviv, Israel$122.0M
Logz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
Codefresh62
EnterpriseBrisbane, Australia$42.0M
Octopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
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
Cardano55
Blockchain
A secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.
Open source · Self-hostable
KiloClaw54
Artificial Intelligence
A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
WireMock53
Enterprise$6.5M
Industry-standard API simulation and mocking platform for reliable software development and testing.
Open source · Self-hostable
Archimedes52
Fintech$7.3M
Open-source lending protocol for superior capital efficiency in Decentralized Finance (DeFi).
Open source · Self-hostable
All-Hands AI49
Agentic AIBoston, United States$5.0M
An open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
Novu48
EnterpriseTel Aviv, Israel$6.6M
Open-source notification infrastructure for developers, empowering the community.
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
Amplication33
EnterpriseTel Aviv, Israel
Open-source Node.js backend development platform for accelerating application development.
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
keyval29
EnterpriseTel Aviv, Israel
Odigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.
Open source · Self-hostable
Node.js26
Software Development
An open-source, cross-platform JavaScript runtime environment.
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
Gako7
Cybersecurity
Open-source, self-hostable secret manager where the server cannot read your secrets.
Open source · Self-hostable
DragonflyDB61
DatabaseTel Aviv, Israel$21.0M
Source-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
Backslash Security56
CybersecurityTel Aviv, Israel$27.0M
Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
Akash Network56
DePINSan Francisco, United States$2.0M
Decentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
Open source · Self-hostable
CloudQuery53
EnterpriseSan Francisco, United States$18.5M
Open-source data integration platform for security and infrastructure teams.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
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
AppwriteOpen-source backend-as-a-service platform for building scalable applications.	Enterprise	Open source · Self-hostable	San Francisco, United States	$37.0M	58
OdigosOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.	Enterprise	Open source · Self-hostable	—	$13.0M	56
MetalBearOpen-core company building tools for modern backend engineers to ship faster and better.	Software Development	Open source · Self-hostable	San Francisco, United States	$12.5M	56
ResponsivePlatform for developers building stateful reactive applications on the modern cloud with object store native databases.	Enterprise	Open source · Self-hostable	San Francisco, United States	—	35
Blockmesh NetworkDecentralized data infrastructure and AI framework for AI training, inference, and ecosystem intelligence.	Blockchain	Open source · Self-hostable	Israel, Israel	—	31
FaremeterOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.	Fintech	Open source · Self-hostable	—	—	22
ScyllaDBScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.	Database	Open source · Self-hostable	Palo Alto, United States	$101.0M	67
Logz.ioLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	$122.0M	63
CodefreshOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.	Enterprise	Open source · Self-hostable	Brisbane, Australia	$42.0M	62
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
CardanoA secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.	Blockchain	Open source · Self-hostable	—	—	55
KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.	Artificial Intelligence	Open source · Self-hostable	—	—	54
WireMockIndustry-standard API simulation and mocking platform for reliable software development and testing.	Enterprise	Open source · Self-hostable	—	$6.5M	53
ArchimedesOpen-source lending protocol for superior capital efficiency in Decentralized Finance (DeFi).	Fintech	Open source · Self-hostable	—	$7.3M	52
All-Hands AIAn open-source platform for building and running AI coding agents that automate software development tasks.	Agentic AI	Open source · Self-hostable	Boston, United States	$5.0M	49
NovuOpen-source notification infrastructure for developers, empowering the community.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	$6.6M	48
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
AmplicationOpen-source Node.js backend development platform for accelerating application development.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	—	33
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
keyvalOdigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	—	29
Node.jsAn open-source, cross-platform JavaScript runtime environment.	Software Development	Open source · Self-hostable	—	—	26
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
GakoOpen-source, self-hostable secret manager where the server cannot read your secrets.	Cybersecurity	Open source · Self-hostable	—	—	7
DragonflyDBSource-available, multi-threaded Redis replacement for modern cloud workloads.	Database	Open source · Self-hostable	Tel Aviv, Israel	$21.0M	61
Backslash SecurityAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.	Cybersecurity	Open source	Tel Aviv, Israel	$27.0M	56
Akash NetworkDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).	DePIN	Open source · Self-hostable	San Francisco, United States	$2.0M	56
CloudQueryOpen-source data integration platform for security and infrastructure teams.	Enterprise	Open source · Self-hostable	San Francisco, United States	$18.5M	53