Showing 226 open source projects for "contract"

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  • 1
    Hyperledger Burrow

    Hyperledger Burrow

    A permissioned Ethereum smart-contract blockchain node

    Hyperledger Burrow is a permissioned Ethereum smart-contract blockchain node. It executes Ethereum EVM and WASM smart contract code (usually written in Solidity) on a permissioned virtual machine. Burrow provides transaction finality and high transaction throughput on a proof-of-stake Tendermint consensus engine. Burrow is a fully-fledged blockchain node and smart contract execution engine -- a distributed database that executes code.
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  • 2
    WaykiChain

    WaykiChain

    Public Blockchain as a Decentralized Finance Infrastructure Service

    WaykiChain is a high-performance, Turing-complete blockchain platform optimized for decentralized applications and smart contracts. It offers a delegated proof-of-stake (DPoS) consensus mechanism for faster transactions and energy efficiency, and it includes support for DeFi, stablecoins, and governance tools. Designed for commercial-grade use, WaykiChain enables developers to build scalable dApps while offering low-latency transaction processing and customizable consensus rules. It...
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  • 3

    SPL Compiler

    A low-level system programming language with high-level syntax

    ... * Be as efficient as C (at run-time) and as high-level as possible for the programmer. * Promote modularity and ease the development of large-scale component-based software. * Enable programming-by-contract and other high-level features (as long as they incur no extraordinary costs at run-time). * Provide a stricter and more platform-independent type system than C. * Allow direct use of existing C and platform (e.g. Win32 API) libraries. This phrase from the "SPL Language Reference" says it all: "One could say SPL is what C should have been, were it not for the limitations of the time when C was designed".
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  • 4
    DemocracyEarth Wallet

    DemocracyEarth Wallet

    Censorship resistant democracies

    ...No servers or databases are used. Control your identity with any Ethereum wallet. Contribute to the success of UBI and Proof of Humanity by leveraging ETH. Keep ETH or DAI in our smart contract vaults and help burn UBI tokens using yield. Half the yield is used to buy UBI. UBI is then burned, reducing its supply. No biometrics or real names are required. Just a quick video that proves your humanity. Audit any profile without permission. Challenged profiles go to a Kleros court. UBI is a Universal Basic Income token that gets streamed using Ethereum to verified Proof of Humanity profiles. ...
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  • 5
    Helpdezk

    Helpdezk

    HelpDEZk is a powerfull software that manages requests/incidents.

    HelpDEZk is a powerfull software that manages requests/incidents. It has all the needed requirements to an efficient workflow management of all processes involved in service execution. This control is done for internal demands and also for outsourced services. HelpDEZk can be used at any company’s area, serving as an support to the shared service center concept, beyond the ability to log all the processes and maintain the request’s history, it can pass it through many approval...
    Downloads: 2 This Week
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  • 6
    EiffelStudio
    EiffelStudio is an Integrated Development Environment (IDE) that provides comprehensive facilities to programmers. It offers a comprehensive suite of tools that enable programmers to produce correct, reliable, and maintainable software while keeping control of the development process. If you want to create fast, robust, scalable applications, then EiffelStudio™ will offer you a cost-effective solution. Imagine being able to model your system as you think – capturing your requirements and...
    Downloads: 32 This Week
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  • 7
    0x Monorepo

    0x Monorepo

    0x protocol monorepo - includes our smart contracts

    0x protocol monorepo, includes our smart contracts and many developer tools. 0x is an open protocol that facilitates the trustless, low-friction exchange of Ethereum-based assets. For more information on how it works, check out the 0x protocol specification. This repository is a monorepo including the 0x protocol smart contracts and numerous developer tools. Each public sub-package is independently published to NPM. Visit our developer portal for a comprehensive list of core &...
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  • 8
    Ants-Review

    Ants-Review

    A Protocol for Open Anonymous Scientific Peer-Reviews on Ethereum

    ...After the submission of successful peer-reviews, they will be approved by an approver and payed in ANTS. AntReview Issuers are addresses, added by the owner of the contract, that can issue an AntReview via the function issueAntReview(). AntReview Approvers are addresses added by Issuers when they issue an AntReview or with the function addApprover().
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  • 9
    Scaffold-ETH

    Scaffold-ETH

    Forkable Ethereum dev stack focused on fast product iterations

    scaffold-eth is a developer starter kit for building Ethereum-powered applications, bundling a smart-contract workspace with a live-reloading front end and batteries-included tooling. It provides a local blockchain environment, contract templates, and scripts for compile, deploy, verify, and test, wired to a React/Next.js UI that reflects contract state in real time. The stack encourages rapid iteration: edit a Solidity contract, redeploy with one command, and immediately interact through generated components and hooks that wrap ethers.js. ...
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  • 10
    Embark

    Embark

    Framework for serverless Decentralized Applications using Ethereum

    Embark is a platform that enables easy development and deployment of decentralized applications. Build, test, and deploy your Smart Contracts without the hassle. Embark takes care of the groundwork, watches for changes, and redeploys your application when needed. Testing shouldn't be an afterthought. Embark makes debugging and testing first-class citizens of your development workflow. Pick and choose which features, plugins and tools you want to integrate with. Embark is built with...
    Downloads: 0 This Week
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  • 11
    KwaMoja

    KwaMoja

    Out of Africa comes KwaMoja. A fresh start for webERP!

    KwaMoja is designed to help you manage your business in a more efficient and profitable manner. It combines your book keeping needs with all the tools to plan your inventory purchases. It will let you know when your factory needs to start manufacturing parts in order to keep up with orders. It will help you better manage your cash flow. All these and more will help your business become more efficient, and greater efficiency will equal greater profits. KwaMoja is a fork of the once...
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  • 12
    ETH Pictures

    ETH Pictures

    Draw your own NFTs

    This tool is an experiment I did to play with decentralized infrastructure. The images are uploaded to IPFS, and an NFT (non-fungible token) is minted in the Ethereum blockchain to represent each picture. Each token is ownable, transferrable, tradable and unique. The gallery data is pulled from OpenSea's API.
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  • 13
    Subspace

    Subspace

    Library for Reactive Dapp Development with auto syncing

    Subspace is a framework agnostic JS library that embraces reactive programming with RxJS, by observing asynchronous changes in Smart Contracts, and providing methods to track and subscribe to events, changes to the state of contracts and address balances, and react to these changes and events via observables. Subspace also takes care of syncing under the hood, saving & loading the state in a local database. Methods are provided to track and subscribe to events, contract & state balances, and react to changes via observables. No matter your favorite JS framework, you can use Subspace to simplify your development process. It works with React or Angular in the browser, and of course plays well with nodejs. Subspace saves state to a local database ensuring your dApp always syncs from the last known point, even after reload.
    Downloads: 0 This Week
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  • 14
    0xcert

    0xcert

    JavaScript framework for building decentralized applications

    The 0xcert Framework is a platform that provides a complete set of tools for building powerful decentralized applications (dapps). Our mission is to equip application developers with a secure, agnostic, and opinionated framework with conventions to enable interoperability between applications. If you are new to blockchain try the 0xcert API for quick deployments of dapps with minimal effort.
    Downloads: 0 This Week
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  • 15

    Rapid Engineering Architecture Linked

    Architecture Template for Agile Development

    ... * Mission&Vision statement for each artifact, stakeholder analysis (NAV) * capability based approach: UC used to express capability (NOV) * service oriented approach: UC implies a service (NSOV) R-E-A-L (Rapid Engineering Architecture Linked) utilizes Design by Contract as concept on various levels of abstraction.
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  • 16
    Ethlint

    Ethlint

    (Formerly Solium) Code quality & Security Linter for Solidity

    Ethlint (Formerly Solium) analyzes your Solidity code for style & security issues and fixes them. Standardize Smart Contract practices across your organization. Integrate with your build system. Deploy with confidence! Solium does not strictly follow Solidity Style Guide. The practices it enforces by default are best practices for the community at large. If you’re using vim with syntastic, and prefer to use a locally installed version of Solium (rather than a global version), you can install syntastic local solium to automatically load the local version in packages that have installed their own. ...
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  • 17

    BOOM POOL

    A new type of utility token with self-destructing mechanism

    BOOM is a new type of utility token with self-destructing mechanism, based on Ethereum smart contract. BOOM project is a social experiment, aiming at exploring the market influence of an extremely deflationary cryptocurrency, and it will validate the effect of BOOM token as a hedge against the rapid inflation in token ecosystem. The origin of BOOM is simple, once users transfer BOOM to others, 1% of the total transfer amount is automatically destroyed at the same time.
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  • 18
    Scry.info blockchain Data Protocol

    Scry.info blockchain Data Protocol

    This is the first data protocol layer open source in the blockchain

    By providing SDK for data exchange through blockchain, developers can more conveniently develop DAPP applications. It mainly includes the following contents:data encryption and decryption, digital signature, smart contract, event notification, data storage interface, data acquisition and query, digital currency payment, the third-party App payment interface, etc.
    Downloads: 0 This Week
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  • 19
    OpenUnderwriter (Insurance Distribution)

    OpenUnderwriter (Insurance Distribution)

    Feature rich insurance quote & buy system for underwriters and brokers

    OpenUnderwriter is an open source software house specialising in the development of IT solutions for the insurance market. Specialists in the areas of eBusiness and component based development, the team has developed technology for a number of major insurance companies. The OpenUnderwriter platform has been collaboratively developed by some of the best technical brains in the Insurance Industry and offers a viable alternative to traditional solutions. To date, OpenUnderwriter has been...
    Downloads: 2 This Week
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  • 20

    JCVI VIGOR

    Viral Genome ORF Reader

    ...This work has been funded in whole or part with federal funds from the National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services under contract number HHSN272200900007C.
    Downloads: 1 This Week
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  • 21
    F.H.C. live

    F.H.C. live

    Linux bootable LiveCD - Forensics Hard Copy

    Forensic Hard Copy is a linux distribution, bootable from CD / USB (live), created exclusively to automate and speed up the identical copy of mass memories. Such copying procedures are commonly used in the field of forensic computers; it is orthodox practice in this field of information technology, to acquire data from the offending media so as to preserve them from possible alterations or damage, and then subsequently analyze the identical copy. The project was created to meet the...
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  • 22
    Soy

    Soy

    Static Websites on the Distributed Web

    Soy is a collection of smart contracts and tools to enable you to build your site on the distributed web. By virtue of using ENS and IPFS your content will be quickly accessible all over the world without having to set up or manage any infrastructure. Scripting with Soy usually looks something like this. This is an example of creating a new Soy instance and using it to register a domain and publish the content hash for the site. Once you have ENS set up to point to an ipfs hash, simply add...
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  • 23
    simbol

    simbol

    Communications platform WebXR sites with self-sovereign identity

    ...Simbol accepts several configuration parameters. New worlds await us with VR and AR. A flourishing of creativity. This must happen without conceding in user experience and with an honest contract between creators and consumers regarding their data. Simbol is researching to accomplish these goals and broadcasting accomplishments made by the community via a podcast, blog and newsletter. Currently, simbol is dependent on several third-party libraries. You can check out the API in our JSDoc.
    Downloads: 0 This Week
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  • 24
    EthereumCasts

    EthereumCasts

    Companion repo to an Ethereum/Solidity course on Udemy

    EthereumCasts is the companion repository for a Udemy course on Ethereum and Solidity development. It contains example projects that help learners understand smart contracts, blockchain interaction, contract deployment, and JavaScript-based Ethereum tooling. The repository is intended to support hands-on lessons rather than function as a production blockchain application. It gives students working code they can inspect, run, and modify while following the course. Typical learning themes include Solidity contracts, Web3 integration, testing, deployment, and front-end interaction with blockchain data. ...
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  • 25
    Neoblog

    Neoblog

    Neoblog is a public blogging platform that's completely serverless

    ...Combine this with the decentralization of storage (IPFS) and blockchain, we now have a toolkit to provide an application that's completely serverless. Neoblog is a serverless application that uses these these technologies: built on the NEO blockchain, articles are posted to our smart contract, while the content is stored on IPFS.
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