Web3j
The Web3j SDK provides a seamless experience for development on leading blockchain platforms
18 Alternatives To Web3j
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BigchainDB
The scalable blockchain database.
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BlockCypher
AWS for Block Chains
Blockchain Startups Map
Map & searchable database of 430 companies in 64 categories.
Guava
Google core libraries for Java 6+.
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Hyperledger
Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
IPFS
IPFS is the permanent web. A new peer-to-peer hypermedia protocol.
Java
A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Litecoin
Litecoin is a peer-to-peer Internet currency that enables instant payments to anyone in the world.
MultiChain
Blockchain and Blockchain Platforms
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Openchain
Openchain is an open source, enterprise-ready Blockchain technology platform.
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Opporty
Service marketplace for small businesses on the blockchain
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Oracle Blockchain
Oracle offers an easier way to adopt blockchain and transform your enterprise with the industry’s most comprehensive and enterprise-grade blockchain platform.
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PayPal
PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Ripple
Ripple connects banks, payment providers, digital asset exchanges and corporates via RippleNet to provide one frictionless experience to send money globally
RxJava
RxJava – Reactive Extensions for the JVM is a library for composing asynchronous and event-based programs using observable sequences.
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SAP Leonardo
With SAP Leonardo, you can combine intelligent technologies – like the IoT, AI, and machine learning – and innovate with them on an open, extensible cloud platform.
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Stripe
Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Thymeleaf
Thymeleaf is a modern server-side Java template engine for both web and standalone environments.