Developer Tools Startups
4,618 companies tagged Developer Tools, with their investors and founders.
Smile Identity offers AI-based identity verification that combines biometrics, device intelligence, network intelligence, and document verification against government databases to confirm a user's identity. Its models are trained on local documents and faces and optimized for rapidly digitizing markets, serving businesses that need to onboard and verify users across self-service and agent-assisted channels.
5 investors
Spacebackend builds software infrastructure for integrating multi-vendor aerospace and defense hardware systems, automating the translation of hardware specifications into flight-ready software to collapse integration timelines. The company serves aerospace, defense, and space companies seeking to accelerate the integration and deployment of complex mission-critical systems.
5 investors
Speechly provides an API that performs speech recognition and language understanding directly on user devices, reducing costs for applications that need to analyze spoken interactions in real time.
5 investors
Subsquid provides permissionless, cost-efficient access to large-scale Web3 onchain data, aimed at decentralized application developers building across multiple blockchains. It operates as a data infrastructure platform in the crypto/Web3 space.
5 investors
Stack Moxie provides monitoring and alerting for critical marketing processes and workflows. The company helps teams identify and quickly resolve issues in their marketing operations.
5 investors
Stackery provides tools for building, deploying, and operating serverless applications on AWS, including support for AWS SAM, Lambda, SNS, and HTTP APIs. It targets software engineers and development teams working with serverless architectures.
5 investors
StackHawk provides an API security tool designed for software development teams to identify and fix security vulnerabilities in real-time as part of their development workflow. The platform targets developers and modern software teams seeking to integrate security checks into continuous integration and deployment practices.
5 investors
Stacks is a blockchain platform that enables smart contracts and decentralized applications secured by Bitcoin as a base layer. It provides developers with tools and infrastructure to build Bitcoin-native applications and access Bitcoin's liquidity through sBTC, a Bitcoin-backed asset.
5 investors
Streem built an augmented-reality-powered remote video assistance platform that let service professionals see customers' problems through their smartphone cameras and capture spatial data. Acquired by Frontdoor in 2019.
5 investors
Succinct builds cryptographic products and tools that enable proof of identity, ownership, and actions on the internet. The company serves developers and organizations across digital assets, privacy, media, cybersecurity, AI, and identity use cases.
5 investors
Supra is a Layer-1 blockchain that vertically integrates core services including oracle price feeds, on-chain randomness, native automation, and cross-chain messaging. Its MultiVM-compatible network runs on a Moonshot Consensus and Tribes-and-Clans architecture, letting developers deploy Move (Aptos), EVM (Solidity), SVM (Rust), and CosmWasm smart contracts.
5 investors
Svix provides a webhooks-as-a-service platform that enables companies to send webhooks reliably and at scale. It serves developers and API teams across all company sizes looking to integrate real-time data infrastructure into their applications.
5 investors
Synthetic Society provides AI-driven user simulations for software development, enabling teams to test products and catch UX issues during the development phase rather than after release. The platform helps developers accelerate development cycles, reduce manual testing, and gather actionable user feedback through synthetic agents that behave like real users.
5 investors
Tailor provides a headless ERP system designed as a flexible alternative to legacy platforms, enabling businesses to integrate backend operations with tools like Shopify, QuickBooks, and Netsuite. The platform allows modular configuration without disrupting operations and offers customizable interfaces for teams managing complex business processes.
5 investors
Talkdesk is a cloud-based customer experience platform that enables organizations to optimize contact center operations, improve agent efficiency, and deliver customer service at scale. The platform serves enterprises across multiple industries seeking to automate and enhance customer interactions.
5 investors
Tanssi provides modular, production-ready infrastructure for deploying appchains that need to scale, govern independently, and launch quickly. It targets web3 developers building decentralized applications.
5 investors
Taskade Genesis is a workspace platform that allows users to create live applications with integrated memory, intelligence, and execution capabilities through natural language prompts. It serves founders, operators, and builders who need to build and deploy systems quickly, featuring multi-agent teams, automations, and 100+ native integrations.
5 investors
Tembo builds a platform that serves as an operating layer for software engineering teams, providing secure execution, shared context, and workflow coordination for AI coding agents. The system connects agents to repositories, tools, dependencies, and approval processes.
5 investors
Termii provides infrastructure that uses AI to ensure critical transactionsβincluding authentication, payments, checkouts, and fraud notificationsβcomplete successfully, serving banks, fintech companies, e-commerce platforms, and other digital services globally.
5 investors
Tessl builds an AI Native software development platform with tools for developers building with AI agents, centered on preserving intent and context rather than code. It targets software developers and the broader developer community.
5 investors
Tricentis Testim provides AI-powered test automation for custom web, mobile, and Salesforce applications, letting development and QA teams author tests using natural language and self-healing AI/ML locators. It covers test creation, execution, management, and troubleshooting across CI/CD release processes.
5 investors
Testlio operates a crowdsourced testing platform that provides global quality assurance and testing services for software releases at scale. The platform serves engineering teams across all industries by offering functional, regression, localization, and accessibility testing through a vetted global community integrated into DevOps workflows.
5 investors
Twenty is a customizable CRM platform and internal application framework for technical teams. It provides a low-code/no-code toolkit allowing developers to build and adapt CRM systems without vendor lock-in, offering real-time collaboration features and API-accessible integrations.
5 investors
Unakin builds Sawyer, an AI agent for game development studios that handles coding and non-coding tasks such as bug fixing, performance optimization, QA, design, and player feedback analysis. It integrates with the Unity engine for coding work, runs locally or in a private cloud, and supports multiple LLM backends including OpenAI and Anthropic.
5 investors















