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Build DeFi Applications

by sidhima Updated: Jan 11, 2022

Decentralized Finance, better known as DeFi, has become a groundbreaking concept today, with a market size of about $93.5 billion as of October 2021. That is a huge number, considering the value in decentralized assets owned by people in May 2020 was a mere $1 billion. The fact that DeFi is making a pathbreaking entry into the financial systems of the world can be largely attributed to blockchain technology. There is a definite opportunity for the developers to incorporate blockchain networks and systems on their apps for DeFi operations, looking at the trends in the adoption of this digital finance alternative to traditional banking. By nature, DeFi is built to be open source so as to allow developers to build on top of its existing protocol if they need it. This is a way for the decentralized finance platform to: 1. Enhance transparency through the use of highly traceable and immutable blockchains 2. Encourage permission-less, democratized access to transactional information 3. Keep records decentralized for further protection against tampering or fraud Let’s see how open-source resources can prove to be helpful in developing decentralized finance applications. Some of the best-known projects that developers can build on top of using open source libraries are: * Marble and Airswap (for developing exchanges-based applications) * Polymath and Harbor for investments * Argent and Metamask for wallets * Salt and ETHLend for crediting and lending * Omisego and Groundhog for payments * Ox and Settle for infrastructure Open-source libraries that contain essential coding components such as frontend codes and adapters for other open-source projects can be easily found on Kandi.

harborby goharbor

Go star image 19304 Version:v1.10.16-rc1

License: Permissive (Apache-2.0)

An open source trusted cloud native registry project that stores, signs, and scans content.

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harborby goharbor

Go star image 19304 Version:v1.10.16-rc1 License: Permissive (Apache-2.0)

An open source trusted cloud native registry project that stores, signs, and scans content.
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saltby saltstack

Python star image 13013 Version:v3005.1-2

License: Permissive (Apache-2.0)

Software to automate the management and configuration of any infrastructure or application at scale. Get access to the Salt software package repository here:

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saltby saltstack

Python star image 13013 Version:v3005.1-2 License: Permissive (Apache-2.0)

Software to automate the management and configuration of any infrastructure or application at scale. Get access to the Salt software package repository here:
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metamask-extensionby MetaMask

JavaScript star image 9348 Version:v10.24.2

License: Others (Non-SPDX)

:globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

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metamask-extensionby MetaMask

JavaScript star image 9348 Version:v10.24.2 License: Others (Non-SPDX)

:globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites
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marbleby marblejs

TypeScript star image 2074 Version:v4.0.3

License: Permissive (MIT)

Marble.js - functional reactive Node.js framework for building server-side applications, based on TypeScript and RxJS.

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marbleby marblejs

TypeScript star image 2074 Version:v4.0.3 License: Permissive (MIT)

Marble.js - functional reactive Node.js framework for building server-side applications, based on TypeScript and RxJS.
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EGGby eggprotocol

JavaScript star image 1450 Version:Current

License: Permissive (Apache-2.0)

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EGGby eggprotocol

JavaScript star image 1450 Version:Current License: Permissive (Apache-2.0)

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WaykiChainby WaykiChain

C++ star image 1047 Version:v3.5.1

License: Permissive (MIT)

Public Blockchain as a Decentralized Finance Infrastructure Service Platform

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WaykiChainby WaykiChain

C++ star image 1047 Version:v3.5.1 License: Permissive (MIT)

Public Blockchain as a Decentralized Finance Infrastructure Service Platform
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EGGby Cocoricos

JavaScript star image 1091 Version:Current

License: Permissive (Apache-2.0)

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EGGby Cocoricos

JavaScript star image 1091 Version:Current License: Permissive (Apache-2.0)

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polymath-coreby PolymathNetwork

JavaScript star image 303 Version:2.0.0

License: Permissive (Apache-2.0)

Core Ethereum Smart Contracts for Polymath - The Securities Token Platform

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polymath-coreby PolymathNetwork

JavaScript star image 303 Version:2.0.0 License: Permissive (Apache-2.0)

Core Ethereum Smart Contracts for Polymath - The Securities Token Platform
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ainby DeFiCh

C++ star image 364 Version:v3.2.3

License: Permissive (MIT)

DeFi Blockchain - enabling decentralized finance on Bitcoin

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ainby DeFiCh

C++ star image 364 Version:v3.2.3 License: Permissive (MIT)

DeFi Blockchain - enabling decentralized finance on Bitcoin
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airswap-protocolsby airswap

JavaScript star image 176 Version:v3.0.0

License: Permissive (MIT)

AirSwap Contracts and Tools

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airswap-protocolsby airswap

JavaScript star image 176 Version:v3.0.0 License: Permissive (MIT)

AirSwap Contracts and Tools
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zeitgeistby zeitgeistpm

Rust star image 143 Version:v0.3.8

License: Strong Copyleft (GPL-3.0)

An evolving blockchain for prediction markets and futarchy.

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zeitgeistby zeitgeistpm

Rust star image 143 Version:v0.3.8 License: Strong Copyleft (GPL-3.0)

An evolving blockchain for prediction markets and futarchy.
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compound-supply-examplesby compound-developers

JavaScript star image 98 Version:Current

License: Permissive (MIT)

Code examples for supplying Ethereum assets to the Compound Protocol.

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compound-supply-examplesby compound-developers

JavaScript star image 98 Version:Current License: Permissive (MIT)

Code examples for supplying Ethereum assets to the Compound Protocol.
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moonstreamby bugout-dev

JavaScript star image 108 Version:0.1.1

License: Permissive (Apache-2.0)

Building blocks for your blockchain economy

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moonstreamby bugout-dev

JavaScript star image 108 Version:0.1.1 License: Permissive (Apache-2.0)

Building blocks for your blockchain economy
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compound-borrow-examplesby compound-developers

JavaScript star image 115 Version:Current

License: Permissive (MIT)

Code examples for borrowing Ethereum assets from the Compound Protocol.

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compound-borrow-examplesby compound-developers

JavaScript star image 115 Version:Current License: Permissive (MIT)

Code examples for borrowing Ethereum assets from the Compound Protocol.
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hifiby hifi-finance

TypeScript star image 75 Version:@hifi/proxy-target@1.8.0

License: Others (Non-SPDX)

Monorepo implementing the Hifi fixed-rate, fixed-term lending protocol

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hifiby hifi-finance

TypeScript star image 75 Version:@hifi/proxy-target@1.8.0 License: Others (Non-SPDX)

Monorepo implementing the Hifi fixed-rate, fixed-term lending protocol
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position-protocolby PositionExchange

TypeScript star image 55 Version:Current

License: Strong Copyleft (GPL-3.0)

Position Exchange Protocol

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position-protocolby PositionExchange

TypeScript star image 55 Version:Current License: Strong Copyleft (GPL-3.0)

Position Exchange Protocol
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QDMSby qusma

C# star image 54 Version:0.9.2

License: Others (Non-SPDX)

A client/server system for acquiring, managing, and distributing financial data.

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QDMSby qusma

C# star image 54 Version:0.9.2 License: Others (Non-SPDX)

A client/server system for acquiring, managing, and distributing financial data.
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defistation-webby cosmostation

JavaScript star image 39 Version:v1.2.2

License: No License (null)

Defistation is a DeFi leaderboard and analytics website for decentralized finance projects building and operating on Binance Smart Chain.

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defistation-webby cosmostation

JavaScript star image 39 Version:v1.2.2 License: No License

Defistation is a DeFi leaderboard and analytics website for decentralized finance projects building and operating on Binance Smart Chain.
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defi_yield_farmingby ahmetozlu

JavaScript star image 36 Version:Current

License: Permissive (MIT)

:tractor: :ear_of_rice: A DeFi app, which provides staking & farming functions are deploy-able with a website, for yield farming.

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defi_yield_farmingby ahmetozlu

JavaScript star image 36 Version:Current License: Permissive (MIT)

:tractor: :ear_of_rice: A DeFi app, which provides staking & farming functions are deploy-able with a website, for yield farming.
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decentralized-financeby michael-spengler

TypeScript star image 28 Version:Current

License: Permissive (MIT)

Distributed Ledger based Banking Features: Payments, Deposits, Loans and Automated investment Patterns

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decentralized-financeby michael-spengler

TypeScript star image 28 Version:Current License: Permissive (MIT)

Distributed Ledger based Banking Features: Payments, Deposits, Loans and Automated investment Patterns
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defi-secby freight-chain

JavaScript star image 20 Version:Current

License: No License (null)

Decentralized Finance threats, attack vectors, and mitigation strategies resource repo

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defi-secby freight-chain

JavaScript star image 20 Version:Current License: No License

Decentralized Finance threats, attack vectors, and mitigation strategies resource repo
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wideledgerby pelle

JavaScript star image 15 Version:Current

License: No License (null)

Open Distributed Financial Reporting Specification

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wideledgerby pelle

JavaScript star image 15 Version:Current License: No License

Open Distributed Financial Reporting Specification
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fiberby DeFiCh

TypeScript star image 4 Version:Current

License: Permissive (MIT)

DeFi Fiber, the ubiquitous DeFi Blockchain light wallet for iOS, Android and Web.

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fiberby DeFiCh

TypeScript star image 4 Version:Current License: Permissive (MIT)

DeFi Fiber, the ubiquitous DeFi Blockchain light wallet for iOS, Android and Web.
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