java runtime environment free download

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1

Besu Ethereum Client

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client

...Instructions for how to get started with developing on the Besu codebase. Please also read the wiki for more details on how to submit a pull request (PR). Besu is an Apache 2.0 licensed, MainNet compatible, Ethereum client written in Java. Participation in private networks is typically restricted in some way, so the volume of traffic is much lower than on Mainnet, resulting in lower system requirements. Depending on your environment and network setup, the minimum Java Virtual Machine (JVM) memory requirement for private networks is 4 GB.

Downloads: 5 This Week

Last Update: 2026-06-17
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2

Eclair

A scala implementation of the Lightning Network

Eclair (French for Lightning) is a Scala implementation of the Lightning Network. This software follows the Lightning Network Specifications (BOLTs). Other implementations include c-lightning, lnd, electrum, and rust-lightning. Eclair offers a feature-rich HTTP API that enables application developers to easily integrate. Eclair's JSON API should NOT be accessible from the outside world (similarly to Bitcoin Core API). Eclair requires Bitcoin Core 0.20.1 or 0.21.1. (other versions of Bitcoin...

Downloads: 4 This Week

Last Update: 2026-05-21
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3

NamecoinJ

Namecoin GUI in Java

NamecoinJ is a Java based graphical user interface for Namecoin, a peer-to-peer Domain Name System based on Bitcoin technology (a decentralized cryptocurrency). Donations are welcome: BTC: 19o81NGAHpBmVXkfUcxSttwnBsBnLK9hS3, NMC: Mx3hanF6qXywPAyrAU4S14CwXYcMnecaai

Downloads: 0 This Week

Last Update: 2019-07-29
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4

BitcoinSuite

Bitcoin GUI in Java

BitcoinSuite is a Java based graphical user interface for Bitcoin, a peer-to-peer decentralized cryptocurrency. It is a direct fork of open source project NamecoinJ at http://sourceforge.net/p/namecoinj/. Donations are welcome: BTC: 1PqYXpLLSeAHz3FiZmPcfr451jnzsGgXbc, NMC: N2TFbwpTNhNLeXaBD8FSBbicb6guQNXUiA

Downloads: 0 This Week

Last Update: 2019-07-29
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