A lightweight, fast, and minimal code syntax highlighter.
41 free interactive React blocks and 24 synthesised interface sounds from bencho.dev. Copy a folder, ship it.
Interactive roadmaps, guides and other educational content to help developers grow in their careers.
Network-wide ads & trackers blocking DNS server
Bend 2: a fast language that blocks AI mistakes via proof. Install: curl -fsSL https://bend-lang.com/install.sh | sh
Skip YouTube video sponsors (browser extension)
The web-based visual programming editor.
:globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites
The Block Editor project for WordPress and beyond. Plugin is available from the official repository.
A React Rich Text Editor that's block-based (Notion style) and extensible. Built on top of Prosemirror and Tiptap.
Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
Blocks specific sites from appearing in Google search results
The agent-native LLM router for autonomous agents. Every frontier model behind one wallet, <1ms local routing, USDC payments on Base & Solana via x402.
ไธๆฌพ่ทณ่ฟๅฐ็ต่ง่ง้ขไธญๆฐ้ฅญ็ๆฎต็ๆต่งๅจๆไปถ๏ผ็งปๆค่ช SponsorBlockใA browser extension to skip sponsored segments in videos, ported from the SponsorBlock
๐งฉ Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.
๐ฆ Open source interfaces for the Uniswap protocol
The SDK for autonomous economic agents. Give an agent an identity, a wallet, and the ability to find, negotiate with, and settle with other agents - peer-to-peer, with perfect privacy and ultra-fast finality
A full stack for bitcoin and blockchain-based applications
GreenTunnel is an anti-censorship utility designed to bypass the DPI system that is put in place by various ISPs to block access to certain websites.
Realtime infrastructure for multiplayer apps and agents
AdGuard browser extension
AI IDE for hardware development, support Arduino, MicroPython, ESP32, STM32, RP2040, Nrf5x...
Design-forward shadcn kit for interfaces that stand out. 1000+ free patterns!
TypeScript Interface for Ethereum
Bitcoin wallet for iOS & Android. Built with React Native
Core building blocks for AI apps. High-quality, accessible, and customizable components for AI interfaces.
Remix is a browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.
Mobile web browser providing access to websites that use the Ethereum blockchain
One AI trade decision every Monad block. Jev on Kuru MON-USDC.
Deepnote is a drop-in replacement for Jupyter with an AI-first design, sleek UI, new blocks, and native data integrations. Use Python, R, and SQL locally in your favorite IDE, then scale to Deepnote cloud for real-time collaboration, Deepnote agent, and deployable data apps. https://deepnote.com/
Solana JavaScript SDK
Scratch Blocks is a library for building creative computing interfaces.
Secure, open source and community driven crypto wallet runs on all platforms and trusted by millions.
Microsoft MakeCode (PXT - Programming eXperience Toolkit)
Safe allows secure management of blockchain assets.
Modular TypeScript wallet adapters and components for Solana applications.
Eldora UI is a collection of re-usable components that you can copy and paste into your web apps. It primarily features components, blocks, and templates.
Hardhat-based template for developing Solidity smart contracts
The game-changing wallet for Ethereum and all EVM chains
A reference implementation for the Wormhole blockchain interoperability protocol.
Design, Test and Document APIs in plain Markdown. Compose Requests with API blocks. Reuse, Replace & Version everything just like code. Offline, Truly Git Native, No Lock-in.
An open-source library of UI blocks. Built with React, Tailwind and shadcn/ui
Basic Polkadot/Substrate UI for interacting with a Polkadot and Substrate node. This is the main user-facing application, allowing access to all features available on Substrate chains.
A lightweight, unstyled, and composable emoji picker for React.
Open-source policy engine that blocks bad AWS spending patterns before they ship and remediates what's already burning.
A free, open source, and privacy-focused browser extension to block โnot safe for workโ content built using TensorFlow.js.
A pre-execution guard for AI coding agents. It blocks destructive Git and file system commands, plus common attempts to access sensitive files, before a tool call runs. Supports Amp Code, Antigravity CLI, Claude Code, Codex, Cursor, DeepSeek Harness, Devin CLI, GitHub Copilot CLI, Grok Build, Hermes Agent, Kimi Code, OpenClaw, OpenCode, and Pi.
The portal to the new, open Internet. ([I:b])
A repository of Solana program examples
๐ Ethereum Consensus client for the Zig and TypeScript ecosystem
Super lightweight code syntax highlighter solution
TypeScript ETL toolkit for indexing Ethereum, Solana, and Substrate data, sourced from SQD Network.
Adds admonition block-styled content to Obsidian.md
A JavaScript/TypeScript API for interacting with the XRP Ledger in Node.js and the browser
Accelerate your development with a sleek, open-source admin dashboard and landing page built on Vite-React, Next.js, Tailwind CSS, and Shadcn/UI which is fully customizable and production-ready.
drawthe.net draws network diagrams dynamically from a text file describing the placement, layout and icons. Given a yaml file describing the hierarchy of the network and it's connections, a resulting diagram will be created.
Promise and RxJS APIs around Polkadot and Substrate based chains via RPC calls. It is dynamically generated based on what the Substrate runtime provides in terms of metadata.
Simple browser extension for managing Polkadot and Substrate network accounts in a browser. Allows the signing of extrinsics using these accounts. Also provides a simple interface for compliant extensions for dapps.
A browser extension that helps you track time, analyze your habits and block addictive sites
Efficient embeddable adblocker library