List of Developer Tooling companies in Web3 (2026)

Crunch Hub provides a competition platform interface enabling organizations to launch machine learning challenges and connect with data scientists globally through structured Crunches with defined rules, datasets, metrics, and prize pools.

An open-source software development kit that implements standardized option contract creation, execution, and pricing on Solana blockchain, enabling developers to integrate options trading into DeFi applications.

SHARE SDK provides API access and developer tools for building applications with revenue sharing capabilities, including smart contract creation, payment processing, and community management features.

Wallet Aggregator SDK is a developer toolkit that connects applications to multiple wallets across various blockchains through a single integration, reducing wallet integration complexity.

Curvy SDK is a developer toolkit that enables applications to integrate privacy-first cryptocurrency payment functionality. It allows developers to onboard users, assign ENS-compatible handles, generate private deposit addresses, and send funds while maintaining transaction privacy. The SDK provides methods for wallet initialization, balance queries, and private fund transfers across supported blockchain networks.

Cronos API provides developers with swap integration capabilities enabling token exchange functionality to be added to applications within 30 minutes through standardized endpoints handling RPC complexity and security.

OutLayer is a verifiable off-chain computation service for the NEAR Protocol that executes WebAssembly code inside Intel TDX trusted execution environments. Each execution produces a cryptographic attestation confirming the code, input, and output integrity, removing the need to trust the operator. Smart contracts call OutLayer through NEAR's asynchronous yield and resume mechanism, while web applications call a direct HTTPS API with metered payments. Supported use cases include AI inference, verifiable randomness, and wrapping external APIs with built-in monetization for developers.

A blockchain data API for developers building applications on blockchain networks. The product has been announced and is listed as coming soon in the ChainUp product catalog.

The EVAA SDK is a TypeScript library for programmatic integration with the EVAA lending protocol on the TON blockchain. It exposes methods for querying pool state, user positions, and interest rate data, and for executing deposit, borrow, repay, and withdrawal operations. A Go language implementation is also available for alternative integration paths.

Ore CLI provides command-line interface for advanced cryptocurrency mining operations, offering optimized performance and technical control for power users mining ORE tokens on Solana.

Rome SDK provides developers with tools for building cross-chain applications with atomic composability between Ethereum and Solana, featuring Remus for cross-rollup atomicity and Romulus for cross-chain atomic transactions.

Agentic IDE converts natural language descriptions into functional Web3 applications through AI agent orchestration, enabling users to build, deploy, and scale decentralized applications without coding knowledge.

Foundry is a toolkit for Ethereum blockchain development written in Rust. It features four main components: Forge for testing and deploying smart contracts, Cast for interacting with blockchain networks, Anvil for running a local Ethereum node, and Chisel for Solidity REPL. Designed for performance and efficiency, Foundry supports both Solidity and Vyper languages with capabilities including fuzz testing, debugging, and RPC forking, all in a unified developer experience.

Onyx implements end-to-end ETP issuance and operation through proprietary technology infrastructure, enabling third-party crypto ETP creation.

Noah Business API is a unified payment infrastructure with RESTful endpoints, providing access to global payment capabilities across 50+ currencies and 70+ countries. The system integrates compliance, settlement, and cross-border functionality through single API integration.

Yodl SDK is a developer tool that lets wallets and apps embed QR-based stablecoin payment flows with a short integration process. It aggregates multiple local payment processors per supported country, automatically routing each payment to the option with the best all-in fee, and works with any standard wallet provider. Developers use it to add self-custodial, wallet-agnostic checkout experiences without building their own QR payment infrastructure, with optional backend integration for payment notifications and reporting.

Enoki provides blockchain integration infrastructure through SaaS delivery model enabling embedded wallet creation and transaction sponsorship via zkLogin authentication and gas pool mechanisms. The platform implements APIs and SDKs for Sui blockchain interaction supporting sponsored transactions eliminating user gas fee requirements and integrating Sui Name Service for human-readable addressing within application environments.

AiMo API Platform provides a unified OpenAI-compatible API for accessing decentralized AI models with X402 protocol-based cryptocurrency payments. The platform enables users to pay for AI inference on-demand using USDC on Base or Solana networks without requiring pre-funded accounts or traditional API keys. The system supports standard chat completion endpoints with automatic payment verification and on-chain transaction settlement.

Privacy Cash SDK provides developer integration tools for interacting with Privacy Cash smart contracts, enabling programmatic deposits, withdrawals, and balance queries for SOL and USDC through the privacy protocol.

An open-source x402 framework providing libraries, tools, and plugins to add payment-enabled flows to applications with minimal changes through wrappers, middleware, or proxies.

Livepeer Network provides decentralized video transcoding infrastructure through distributed orchestrator nodes that process live and on-demand video streams. The protocol implements proof-of-stake consensus where operators stake LPT tokens to participate in transcoding work, earning fees from broadcasters and developers using the network for video processing.

StarkZap SDK is a developer toolkit for integrating Starknet wallet, token, and DeFi features into web and mobile applications. It provides modular components for social login via Privy and Cartridge Controller, gasless transactions through AVNU paymaster, ERC-20 token operations, native staking, and transaction batching across React, React Native, and Node.js environments.

Ligetron is a zero-knowledge virtual machine that generates proofs client-side, running directly in a web browser or on standard hardware without dedicated proving servers. It uses a memory-efficient, hash-based proof system derived from the MPC-in-the-head paradigm, enabling the prover to operate within the memory footprint of the underlying computation. Developers write ZK applications in C++ or Rust compiled to WebAssembly for execution across devices. The system supports zkValidium deployments and integrates identity tools including zkEmail, zkTLS, and ZKPassport. No trusted setup is required.

Five North Developer Tools is a suite of open-source developer infrastructure for building applications on the Canton Network. It includes the Loop SDK for wallet integration, the ID SDK for identity verification, 5N Infra for managed node hosting, 5N Dashboard for node deployment and monitoring, and 5N Time Machine for ledger data archival into PostgreSQL.

XDaLa is a process and workflow builder that lets organizations define rules, connect external data sources, and trigger smart-contract execution as auditable digital workflows. It works through a workbench interface where users configure validation logic, evaluate rules, call external APIs, and write outcomes as traceable results. Businesses and developers use it to turn compliance-relevant processes into verifiable on-chain evidence without building custom blockchain integrations.

Solana JavaScript SDK is a modular TypeScript library for building Solana applications across Node.js, web browsers, and React Native platforms. The SDK provides native cryptographic operations, tree-shakable architecture, and zero external dependencies, enabling developers to read blockchain data, execute transactions, and interact with on-chain programs.

Zynapse API implements zero-knowledge machine learning through a coprocessor architecture, enabling privacy-preserving AI operations without exposing sensitive data.

This tool allows developers to verify that public source code matches on-chain deployments, enhancing ecosystem security through trustless verification. With the goal of promoting transparency and security in the Solana ecosystem.

Lava is a development tool that provides a user interface for generating TypeScript tests for Solana programs without manual coding. The tool helps streamline the testing process for Solana applications.

Lambdaworks implements cryptographic primitives used to build proof systems like SNARKs and STARKs, with comprehensive backends for various proving systems, field extensions, and compatibility with different frontends.

Starknet Foundry is a toolkit for testing and deploying tools for Starknet smart contracts through a command-line interface. The toolkit enables developers to write, test, and deploy Cairo contracts with built-in testing frameworks and deployment utilities.

Cantina Code is a code review platform that facilitates communication and coordination between developers and security researchers. Users can track findings, filter information, and receive notifications in a structured environment.

Play Gate is a developer submission portal enabling game developers to upload builds, verify technical requirements, and publish games to the PSG1 console and Play Solana ecosystem, streamlining the submission, testing, approval, and release process for Web3-native games.

AI Arena implements decentralized AI model training through blockchain-based validation consensus, enabling competitive development environments where participants stake tokens to train and validate models using distributed datasets.

RGB Protocol Implementation provides development tools for Bitcoin smart contracts through client-side validation. The system includes RGB Core Library for consensus validation, RGB Standard Library for high-level APIs, command-line tools for asset management, and RGB Node server infrastructure for production deployments.

Plux is a low‑code platform and marketplace of pre‑built smart contract APIs for building blockchain applications with integration and collaboration tools.

Developer infrastructure platform that deploys and manages decentralized smart escrows on Stellar blockchain using Soroban smart contracts. The system provides a comprehensive API returning unsigned XDRs for client-side signing, a web-based dApp for direct escrow management, React component libraries with pre-built UI blocks, demonstration applications for testing, and escrow viewing tools for transaction monitoring. Supports both single-release and multi-release escrow types with programmable milestone logic.

Ignite CLI is a command-line tool for building, testing, and launching Cosmos SDK blockchains. It provides scaffolding for modules and messages, hot reloading for local nodes, and client generation for frontends.

A software development kit enabling integration of decentralized real-time audio and video communication into web and mobile applications. The SDK provides APIs and hooks for JavaScript, React, React Native, Flutter, Unity, and Kotlin platforms with methods for room management, audio-video stream handling, peer connection control, and data messaging over the Huddle01 dRTC Network.

TACEO Tooling is a developer framework for building collaborative zero-knowledge proofs using Circom (coCircom) and Noir (coNoir) in MPC environments. The toolkit extends these circuit languages to support multiparty computation, enabling multiple parties to jointly generate ZK proofs without any single participant seeing the complete witness data.

Txtcel is a decentralized messaging protocol that stores channels, posts, and likes as accounts on a blockchain network rather than on a company server. It lets wallet holders create and own channels, publish and delete their own posts, and gate access through whitelists, blacklists, or paid entry, likes, and posts. The protocol has no backend database, so a web interface, a developer SDK, and an agent-facing server all read and write the same on-chain state directly. Because ownership and history live entirely on-chain, no operator or channel owner can censor content, ban wallets retroactively, or rewrite what has already been published.

Smithii Tools is an intuitive suite that enables users without coding knowledge to effortlessly create and manage Token and NFT projects streamlining the development process.

Launchpad is designed for developers to quickly deploy and manage applications on bare metal servers. It simplifies the process of provisioning resources, enabling rapid scaling and efficient infrastructure management.

Transaction Cloud provides enterprise-grade transaction infrastructure through REST APIs, handling broadcasting, signing, gas management, and webhooks for EVM chains with support for over 5,000 requests per second and managed HSM wallet security.

Karnot is a rollup-as-a-service infrastructure with automated deployment pipelines, enabling rapid Starknet app chain creation with production-grade tooling. The platform provides comprehensive monitoring, auto-scaling RPC endpoints, and integrated bridge infrastructure while maintaining modular architecture for custom settlement and data availability layers.

Starknet Devnet is a local testnet for Starknet development written in Rust. It allows developers to test Starknet applications locally with features including forking network states, account impersonation, L1-L2 interactions, predeployed contracts, block manipulations, and time manipulations.

Gimlet is a debugging tool for Solana programs that helps developers trace and identify issues in their code. It is created for the Solana Foundation to support application development within the ecosystem.

Scaffold-ETH 2 is an Ethereum development stack implementing TypeScript support and modular design patterns. The framework integrates contemporary web tools with blockchain functionality for accessible dApp development and testing.

Chakra Data Warehouse implements structured data storage through a DuckDB-based architecture, enabling high-performance analytics and transformations. The system processes data on bare-metal infrastructure while maintaining full data ownership and access controls.

KrypCore implements blockchain development through low-code toolkits, enabling rapid creation and deployment of decentralized applications across multiple blockchain networks without extensive technical expertise.