List of Developer Tooling projects on Solana (2026)

Solana Actions is a specification-compliant API framework that returns signable transactions on the Solana blockchain, enabling applications to deliver complex onchain interactions directly to users without requiring them to navigate away from their current context.

pay.sh is an API gateway that enables AI agents and CLI tools to access paid APIs using stablecoins on Solana without accounts, API keys, or subscriptions. A CLI wrapper detects HTTP 402 payment challenges via x402 and Machine Payments Protocol (MPP), authorizes payments through a connected wallet, and retries requests with payment proof. A searchable catalog indexes API providers across categories including AI/ML, compute, data, and communications, enabling agents to discover and call services on a per-request basis.

WDK provides open-source libraries and modules for building self-custodial wallets supporting multiple blockchains. The modular architecture includes wallet modules for blockchain operations, protocol modules for DeFi integrations including swaps, bridges, and lending, and pre-built UI components for React Native. Built on Bare runtime, it supports Node.js and React Native environments, enabling deployment across mobile, desktop, embedded systems, and server applications.

MDK is an open-source developer framework that gives Bitcoin mining operators and developers unified control over mining infrastructure. It combines a backend software development kit with a modular worker and orchestration architecture that standardizes communication with miners, sensors, cooling, and electrical systems, alongside a user interface development kit for building dashboards. Developers use it to build monitoring dashboards, automated workflows, pool management tools, and analytics or optimization applications without building device-level integrations from scratch.

A set of APIs and developer tools including Swap (Classic, Fusion, Fusion+), Portfolio API, Web3 RPC, security endpoints, and data APIs for tokens and pricing.

1inch Business is a set of APIs and software development kits that give developers programmatic access to token swaps, orderbook data, balances, pricing, portfolio analytics, and RPC node endpoints. Developers integrate these APIs to build trading, wallet, and agentic applications without operating their own infrastructure. The suite covers multiple blockchains and supports API key or OAuth-based authentication.

Crossmint Authentication provides user identity verification through email, social media logins, and wallet connections. The system enables progressive onboarding flows and integrates with the wallet infrastructure for identity management. Developers use it as a user management layer tightly tied into other Crossmint products.

AgentKit is a developer framework that enables AI agents to interact with blockchain networks through secure wallet management and onchain capabilities. It provides a wide range of blockchain actions across multiple wallet providers while remaining compatible with various AI models and development tools. Developers use it to build autonomous agents capable of holding assets, executing trades, and interacting with smart contracts.

Subgraphs implement flexible blockchain indexing through TypeScript, enabling developers to create custom GraphQL APIs from smart contract data. The system processes on-chain events and provides queryable endpoints with webhook support and automated deployment capabilities.

Mirror implements real-time data streaming pipelines that sync blockchain data directly into databases and message queues. The system enables point-and-click configuration for multiple data destinations while providing unlimited access without per-query fees.

A developer toolkit to build, test, deploy, and run custom blockchain data indexers and GraphQL APIs on the SubQuery Network, helping developers deliver fast, flexible data for dApps.

Wormhole SDK is a developer toolkit for building cross-chain applications through a unified interface covering multiple blockchains. It simplifies cross-chain transactions by automatically handling network-specific requirements such as gas fees and signature formats. Developers use it to integrate Wormhole's messaging and transfer capabilities into their own applications.

Solana App Kit is a React Native mobile development framework with modular architecture, enabling iOS and Android application creation with multiple protocol integrations. The system provides pre-built components for wallet integration, token trading, NFT management, and real-time blockchain data access.

Squid Widget is an embeddable React component that allows applications to integrate cross-chain swapping functionality directly into their interfaces. The widget supports customizable themes and configurations for seamless user experiences.

Squid SDK provides TypeScript libraries and examples for developers to integrate cross-chain routing capabilities into their applications programmatically. The SDK offers route calculation and transaction execution functionality.

Squid API provides REST endpoints for calculating cross-chain routes and executing transactions. The API enables developers to access Squid Router functionality without client-side SDK integration.

Orderly Trading Infrastructure is a white-label orderbook infrastructure that provides shared liquidity across multiple blockchains. It enables developers to build spot and perpetual futures trading platforms with centralized exchange-level order matching performance and non-custodial, on-chain settlement. It is used by decentralized exchange builders and trading teams integrating trading functionality into their products.

A platform that enables users to create their own perpetual contract DEX in minutes without coding, providing customizable trading interfaces with built-in liquidity and professional infrastructure.

Portal Enclave MPC API provides server-side blockchain signing through TSS MPC cryptography combined with AWS Nitro Secure Enclaves. The system enables sub-second transaction signing for EVM-compatible and Solana smart contracts through RESTful API endpoints.

Portal Account Abstraction enables gas sponsorship, transaction batching, and programmable on-chain functionality through smart contract wallets. The system integrates with Portal's MPC infrastructure to provide configurable account abstraction features.

Crypto Exchange API is a developer API that enables platforms to add crypto swap functionality and expand supported coins and tokens, with partner revenue sharing and priority support.

Exchange Widget is an embeddable module that lets websites offer crypto swaps, buy/sell, and DEX modes with customizable appearance, token settings, and performance statistics.

Orca is a decentralized exchange on Solana built around a concentrated liquidity automated market maker, letting liquidity providers set custom price ranges for their capital and traders swap tokens through a smart router that finds optimal pricing across pools. The platform also offers automated vault strategies that manage liquidity positions on depositors' behalf, and a liquid staking system that lets holders of the platform's governance token stake it for a receipt token to earn a share of protocol fees. Users can create new liquidity pools and list tokens, place range orders, and track holdings through an integrated portfolio dashboard. Developers can build on top of the protocol using publicly available software development kits and APIs.

QuickAlerts is a feature that provides real-time notifications about onchain events, helping users stay updated with the latest blockchain activities

Software development kit for easy integration of QuickNode services into applications.

Staking API delivers unified REST endpoints for integrating non-custodial staking operations across multiple proof-of-stake networks through single authentication. The API automates validator deployment, stake management, unbonding operations, and reward tracking through standardized methods. Implementation supports distributed validator technology, EigenLayer restaking, and advanced staking configurations with comprehensive SDKs and integration templates.

Syncro Sender is developer tooling that routes Solana transactions through multiple validator-level connections simultaneously using stake-weighted QoS priority routing. The service deploys endpoints across six global regions to minimize latency and maximize transaction landing success for execution-critical applications. Syncro Sender integrates via REST API and applies per-landed-transaction pricing with no upfront commitment.

Relay SDK, also referred to as RelayKit, is a developer tooling product that lets applications embed cross-chain bridging, swapping, and execution features. It provides prebuilt interface components, hooks, and programmatic access to Relay's quoting and execution flows for both EVM and non-EVM chains. Wallet providers and application developers use it to add cross-chain functionality without building the underlying infrastructure themselves.

Relay API enables developers to quote and execute cross-chain transactions programmatically. The API supports bridging, swapping, cross-chain execution, and provides real-time quotes with 30-second expiration for optimal pricing.

Topper is a fiat-to-crypto on-ramp and crypto-to-fiat off-ramp delivered through an embeddable widget and developer APIs for business partners and wallets. Consumers buy crypto directly to a self-custodial wallet using cards, digital wallets, or bank transfers, and sell crypto to receive fiat on a linked debit card. The product supports recurring purchases and integrates via a web SDK, mobile SDK, REST API, webhooks, and single sign-on for partner applications.

Luganodes Staking API is a developer tool that provides a unified interface for integrating non-custodial staking into third-party platforms across multiple proof-of-stake networks. It supports staking, unstaking, redelegation, reward claiming, withdrawals, and transaction broadcasting through standardized endpoints, abstracting network-specific protocol complexity. Custodians, exchanges, and wallet providers use it to embed staking functionality directly into their own products without managing infrastructure.

NFTScan Developer Platform delivers comprehensive NFT data services through REST APIs, enabling developers to access ERC-721 and ERC-1155 asset information, transaction records, collection statistics, and marketplace data across multiple blockchain networks.

NFTScan Site provides professional management backend and site services for NFT collections, NFT marketplaces, and NFTfi projects within the NFT ecosystem.

Decentralized random number generation protocol providing verifiable entropy for blockchain applications. Implements multiple sources of randomness with cryptographic verification and tamper-proof delivery. Features customizable request parameters, variable output formats, and cross-chain compatibility for gaming, NFT, and randomized application requirements.

Anti-MEV infrastructure solution that protects transaction execution while maintaining market efficiency. Implements a specialized mempool design with direct searcher integration, allowing protocols to eliminate harmful MEV while preserving beneficial arbitrage activities. Features customizable execution parameters and built-in transaction optimization.

Range API provides access to blockchain intelligence infrastructure, enabling address screening, compliance checks, and real-time transaction risk detection through programmatic interfaces.

Dialect Protocol is a developer tooling framework implementing decentralized messaging infrastructure through Solana programs, enabling wallet-to-wallet communication and dApp notifications. The protocol provides low-latency message delivery using onchain addressing while storing message content off-chain, and it processes wallet authentication, encrypted data transmission, and notification routing. It supports integration with external messaging backends and front-end frameworks, forming the underlying infrastructure that powers the Blinks, Alerts, and Markets and Positions products.

Kiln Connect is a developer tooling suite offering a unified set of APIs for staking operations across proof-of-stake protocols. It includes a transaction crafting API for programmatically creating staking and unstaking transactions and a reporting API for real-time monitoring of yields and validator performance. The service is validator-agnostic, allowing wallets, custodians, and exchanges to integrate staking data and operations without depending on Kiln-run validators, and it interoperates with third-party custody providers for signing.

Kiln Widget is a no-code embeddable platform that enables wallets, custodians, exchanges, and technology providers to offer staking and DeFi yield opportunities to their users. It allows platforms to launch a fully branded standalone dApp or embed the interface directly within an existing product, with a customizable editor for aligning the experience to a platform's brand. The widget connects to staking and DeFi yield sources, including dedicated validators, staking pools, and multiple lending protocols, without requiring integrators to build their own infrastructure.

Particle Auth provides social login infrastructure for Web3 applications, enabling one-click user onboarding through popular platforms like Google and Twitter. The system generates smart accounts while maintaining familiar Web2 authentication flows.

CDP SDK provides client libraries for managing crypto wallets while relying on Coinbase infrastructure to secure private keys. The SDK enables programmatic wallet creation, address management, balance tracking, and transaction execution across EVM-compatible chains and Solana networks.

An API and SDK for developers to integrate multi-chain token swaps into their applications, supporting both DEX aggregation and cross-chain transactions.

MPC Node Suite is a fully privatized, white-label MPC-TSS infrastructure that enables businesses to build keyless wallet and custody systems at scale. Server-side middleware secured by Intel SGX trusted execution technology works alongside SDKs for web, iOS, and Android to provide distributed key generation, signing, refreshing, and recovery with configurable signing thresholds. The suite supports hierarchical deterministic key derivation and multiple blockchain networks, serving exchanges, payment service providers, wallet service providers, and self-custody service providers building cold-wallet and custody applications.

Tatum Platform is a unified blockchain development toolkit providing RPC nodes, APIs, SDKs, and developer tools for building Web3 applications. The system offers access to multiple blockchain protocols through standardized interfaces while maintaining cross-chain compatibility and enterprise-grade infrastructure.

Unified AI platform providing smart contract generation and auditing, trading analysis, trading assistance and blockchain information through conversational AI interfaces trained on Web3 data.

BuildKit provides API and SDK infrastructure for developers to embed Kamino yield and credit products into external applications. The toolkit enables deposit, withdrawal, rate checking, and position monitoring functions through documented endpoints. Integrators can implement revenue sharing on yields generated for platform users. BuildKit supports Privy embedded wallets for user onboarding without private key management.

Consumer App manages decentralized credit, enabling card management and financial service access without selling crypto.

Sphere API is a developer toolkit providing RESTful endpoints and SDKs for embedding global stablecoin payments into third-party platforms. It supports payment processing, fiat and crypto conversions, and multi-chain transfers, allowing businesses to build on-ramp, off-ramp, and settlement functionality without extensive engineering. The toolkit is used by platforms seeking to embed payment rails across multiple blockchains and stablecoins.

BAM implements transaction sequencing through Trusted Execution Environments (TEEs), enabling programmable block construction via custom plugins. The system operates through BAM Nodes that privately sequence transactions using hardware-based secure enclaves, and BAM Validators executing the ordered transactions. The plugin framework allows developers to define application-specific ordering logic, supporting features like priority cancellations and synchronized oracle updates.

OpenZeppelin Contracts is a library of modular and reusable smart contracts available for Ethereum-compatible blockchains in Solidity and for Starknet in Cairo, implementing standards like ERC20 and ERC721 with focus on security, gas efficiency, and best practices.

A secure operations platform for smart contract development that enables secure automation, monitoring, and management of blockchain applications across 30+ networks.

Linkio API is a developer API that lets applications and websites integrate stablecoin and fiat FX conversion directly into their own products. It exposes endpoints for initiating on-ramp and off-ramp transactions, generating payment links, checking rates, and monitoring transaction status through webhooks. Developers building remittance, checkout, wallet, or payroll products use it to add currency conversion without operating their own compliance or settlement infrastructure.

FM Liquidity Match is a SaaS trading infrastructure with master and sub-accounts to resell liquidity, internalize flows, and manage risk, settlement, and reporting.

FM White Label is a white-label ECN-as-a-Service that lets businesses launch a branded institutional crypto trading platform with risk and spread management and API/GUI access.

AppKit implements wallet connectivity and onchain UX infrastructure through modular SDK architecture, enabling wallet logins, multichain support, and user analytics. The system provides social authentication, embedded wallet creation, and transaction management while maintaining cross-platform compatibility.

Zebec SDKs are developer toolkits that let engineers integrate Zebec's streaming payment infrastructure into their own applications. They provide functions for depositing, withdrawing, initializing, pausing, resuming, and canceling continuous payment streams across multiple blockchain environments and a dedicated bridge module for cross-chain transfers. Developers use the SDKs to build custom payroll, payments, or card-funding features without building streaming infrastructure from scratch.

Transaction Automation implements programmable transaction signing and workflow management through policy-driven controls, enabling automated asset movements, multi-signature approvals, and complex transaction sequences. The system provides granular permission management and compliance tracking for institutional-grade operations.

Turnkey Company Wallets is a developer infrastructure product that lets organizations operate wallets for onchain automation with programmable controls. It provides smart contract execution management, payment orchestration workflows, and signing infrastructure for autonomous agents alongside human-operated flows. Businesses use it for high-volume transaction signing, treasury operations, and agentic payment automation across multiple blockchains, with policy-based permissioning applied to every operation.

Project Yellowstone is a blockchain infrastructure suite for high-performance Solana data delivery, comprising Dragon's Mouth gRPC streaming interface for real-time account and transaction updates with intra-slot processing, Old Faithful historical archive providing decentralized access to complete Solana transaction history, Steamboat custom database indexes for optimized query performance, Whirligig WebSocket proxy for frontend connectivity, Fumarole reliable streaming service, Program Data Streams for parsed blockchain data, Shield transaction policy controls for validator selection, and Vixen parsing framework for building program-aware data pipelines.

Solana transaction propogation software.

SOON Stack is a developer framework that lets teams deploy custom rollups using a decoupled virtual machine architecture on top of any base layer network. It provides one-click deployment tooling so builders can launch their own high-performance chains without building rollup infrastructure from scratch. The framework supports multiple settlement and data availability providers, enabling interoperable chains referred to as SOON Chains.

Token Terminal Data Room provides SQL-based access to Token Terminal's multichain data warehouse, enabling technical teams to query and analyze raw blockchain data directly.

Token Terminal Sheets integrates blockchain data directly into Google Sheets and Excel through plugins and pre-built functions for analysis workflows.

Megadata is a developer tooling framework that enables dynamic on-chain metadata attachment for digital assets deployed on EVM-compatible networks and Solana through Chromia-based storage infrastructure. The system exposes SDK interfaces for reading and writing asset metadata from existing token contracts, providing an alternative to off-chain storage for asset data.

Yours Protocol is a token standard built on Chromia that supports on-chain metadata storage and cross-chain asset portability for digital assets. The protocol enables assets to carry structured, mutable metadata verified on-chain rather than through external URIs, and supports both fungible and non-fungible asset types with persistent state across connected chains.

Cross-chain infrastructure that enables secure wallet-to-app connectivity through decentralized service nodes, gateway nodes, and relay services using rendezvous hashing-based database architecture.

Parser enables no-code smart contract indexing and analytics through automated data transformation. Developers can create custom APIs and dashboards without writing code.

A middleware SDK providing cross-chain bridging, liquidity aggregation, and smart wallet functionality for developers building DeFi applications across multiple blockchains.

Archax Tokenisation Engine enables creation and management of digital tokens representing real-world assets through multi-chain deployment infrastructure, supporting issuance of tokenized funds, bonds, equities, commodities, and stablecoins across integrated blockchain protocols.

Archax Stablecoin Service provides end-to-end stablecoin issuance infrastructure including regulatory structuring, smart contract deployment, reserve management, and market integration across multiple blockchain protocols for institutional clients and businesses.

Archax Treasury Solutions provides access to regulated money market funds and yield-bearing instruments through tokenized representations, enabling stablecoin holders to convert holdings into yield-generating assets with institutional custody and regulatory compliance.

Nirvana Cloud is a bare metal cloud platform optimized for blockchain, AI, and real-time workloads, combining compute, storage, networking, and orchestration into a single stack. It provides high-clock virtual machines, accelerated block storage with sustained IOPS and sub-millisecond latency, and a private low-latency networking layer for connecting to external clouds without egress fees. A managed Kubernetes service handles cluster provisioning and autoscaling, while isolated agent sandboxes let developers run and checkpoint autonomous AI agents. Users deploy validators, RPC nodes, data pipelines, inference workloads, and trading infrastructure while offloading hardware management to the platform.

Zerion API provides developers with real-time blockchain data access through REST and WebSocket endpoints, enabling wallet balance queries, transaction history retrieval, and DeFi position tracking across multiple blockchain networks.

Zerion DeFi SDK is an open-source smart contract system implementing protocol adapters for standardized integration with DeFi protocols. The SDK provides on-chain balance retrieval, derivative token metadata, and automated protocol registry updates through modular adapter contracts. Developers deploy protocol-specific adapters to the Adapter Registry enabling automatic integration across applications without manual protocol implementation.