JavaScript Polkadot

Open-source JavaScript projects categorized as Polkadot
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kusama substrate staking Ledger Blockchain
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
getstream.io
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Top 3 JavaScript Polkadot Projects

Polkadot

  1. Grants-Program

    Web3 Foundation Grants Program

  2. SurveyJS

    JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.

    SurveyJS logo

  3. substrate-ledger-ed25519

    Extract Substrate and Polkadot compatible ed25519 keys from Ledger mnemonic phrases

  4. balances-rpc-dot

    Low level calls to get basic balances

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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JavaScript Polkadot related posts

  • Deloitte Taps Polkadot Ecosystem's Kilt Blockchain for Digital Shipping Logistics

    1 project | /r/CryptoCurrency | 7 Dec 2023

  • SVM on Polkadot/Kusama

    1 project | /r/dot | 6 Dec 2023

  • Polkadot Digest 29 Sep 2023

    1 project | /r/Polkadot | 1 Oct 2023

  • TPScore: transactions per second metrics made easy

    4 projects | dev.to | 26 Sep 2023

  • Polkadot Digest 11 Sep 2023

    1 project | /r/Polkadot | 12 Sep 2023

  • Polkadot Digest 6 Jul 2023

    1 project | /r/Polkadot | 5 Jul 2023

  • What are the risks of staking DOT natively? When a validator is slashed do I lose all my DOTs?

    1 project | /r/Polkadot | 15 May 2023
  • A note from our sponsor - Stream
    getstream.io | 19 Jul 2025
    Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure. Learn more →

Index

What are some of the best open-source Polkadot projects in JavaScript? This list will help you:

# Project Stars
1 Grants-Program 1,108
2 substrate-ledger-ed25519 153
3 balances-rpc-dot 1

Sponsored
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.
surveyjs.io
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