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Layer 2 & Scaling
Zksync Era
An open-source Rust repository implementing an Ethereum Layer 2 rollup that uses zero-knowledge proofs to scale Ethereum.
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Infrastructure
zkSync Era Withdrawal Finalizer
zkSync Era Withdrawal Finalizer is a Rust service that monitors events on zkSync Era and Ethereum, stores its state in PostgreSQL, and submits transactions to finalize L2-to-L1 withdrawals.
Guide: Prepare the service for deploymentz
Wallets
zkSync Wallet
zkSync Wallet is a Vue and Nuxt web wallet interface for accessing zkSync Lite Layer 2 features and operations.
Guide: Set up the wallet locally for GoerliZ
Wallets
Zodl Android Wallet
Zodl Android Wallet is an open-source Kotlin application that provides a mobile Android wallet for Zcash through the Zcash Android SDK.
Guide: Add Zodl’s F-Droid repository on AndroidZ
Wallets
Zodl iOS Wallet
Zodl iOS Wallet is an MIT-licensed, open-source Swift application for using Zcash as a mobile wallet on iOS, with an app repository that leverages the Zcash Swift SDK and includes build and contribution workflows.
Guide: Prepare the Zodl iOS development environmentZ
ZK & Privacy
Zokrates
ZoKrates is a Rust-based toolbox for writing zkSNARK programs for Ethereum, offered through a Remix plugin and a command-line interface.
Guide: Start authoring with the ZoKrates Remix pluginZ
AI Models
Zorro
Zorro is an open-source Python library implementing the Zorro masked multimodal transformer in PyTorch.
Guide: Install the package and configure a modelZ
RAG & Knowledge Systems
Zotero AI Butler
An open-source desktop Zotero plugin that submits papers from a local library to configured large-language-model services and saves generated summaries as Zotero notes.
Guide: Configure Zotero AI Butler for paper analysisZ
MCP & Tooling
Zotero MCP
Zotero MCP is a Python-based Model Context Protocol tool that connects Zotero research libraries with AI assistants.
Guide: Install Zotero MCP and enable local accessZ
DeFi
ZUNISWAPV2
ZUNISWAPV2 is an educational Solidity clone of Uniswap V2, organized as a repository for studying and testing automated market-maker contracts and related decentralized-exchange mechanics.
Guide: Set up the repository and run its testsZ
RAG & Knowledge Systems
Zvec
Zvec is an open-source, in-process vector database implemented primarily in C++ and designed to be embedded directly into applications.
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Agent Frameworks
Zypher Agent
Zypher Agent is an Apache-2.0 TypeScript framework for building AI agents into applications, with a reactive task loop, configurable tools, MCP server support, Claude and OpenAI integrations, streamed task events and Git-based checkpoints.
Guide: Install Zypher Agent and configure a task-streaming exampleτ
Agent Evaluation & Observability
τ-Bench
τ-Bench is a Python simulation framework for evaluating customer-service agents through tasks that combine domain policies, tools and user interactions.
Guide: Run a small airline text evaluation小
Workflow Agents
小女仆机器人
小女仆机器人 is a self-hosted, Rust-based conversational agent that connects to QQ, OneBot 11 and an optional WeChat service-account text entry.
Guide: Install the release on Linux and configure the bot小
Image & Video AI
小牛AI视频翻译
小牛AI视频翻译 is a desktop AI application for translating speech or subtitles in local and YouTube videos, generating multilingual captions and dubbed video with translated voice, retained background audio and synchronized mouth movement.
Guide: Set up the desktop application and open its local interface