Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
Heavybit is a venture capital firm that invests in enterprise infrastructure and developer-focused startups, providing capital and hands-on go-to-market support. It works with technical founders to help them scale operations, finance, and go-to-market.
3 investors
Helix is a database built on object storage that combines knowledge graphs, vectors, temporal and full-text search capabilities for AI agents, retrieval-augmented generation (RAG), and enterprise knowledge management applications.
3 investors
Herodotus builds infrastructure for accessing and verifying on-chain data (verifiable data), proving the correctness of computations (verifiable compute), and enabling cross-chain interoperability and blockchain scaling. It targets developers building trust-minimized decentralized applications on blockchain networks.
3 investors
HeroSpark is a Brazilian platform for selling and delivering online courses and digital products, offering an integrated checkout (SparkPay), Netflix-style members area, video hosting, page editor, and a student/creator app. It targets digital entrepreneurs, marketers, and content creators looking to launch and scale digital products.
3 investors
Hexclave is a platform providing authentication, fraud protection, payments, analytics, and other app functionality for developers to integrate user management and engagement features into applications.
3 investors
Hilos provides a WhatsApp business platform for sales teams to capture leads, automate customer follow-ups, and close deals through WhatsApp messaging; it integrates with CRMs and marketing tools to increase conversion rates.
3 investors
Hoop.dev provides a security gateway that inspects and controls database queries, API calls, and commands at the protocol layer, masking sensitive data and blocking risky operations before they execute. The tool operates as middleware for engineering teams to prevent unauthorized data access and enforce security policies without requiring code changes or SDK installation.
3 investors
Hoplite provides infrastructure for deploying and managing software factories in cloud environments.
3 investors
Horizon provides developer building blocks for web3 applications, including smart crypto wallets, 1-click cross-chain payments, and real-time multi-chain data indexing. Its tools serve developers and blockchain ecosystems building onchain apps across EVM chains.
3 investors
Hotglue is an embedded ETL platform that enables data integration with over 600 open-source connectors, allowing companies to build and manage customer integrations at scale. It serves product teams building integration workflows and is sold to SaaS companies and platforms.
3 investors
HUD builds evaluation tools and reinforcement learning environments for computer-use AI agents, helping frontier AI labs test and train agents across diverse tasks at scale.
3 investors
HumanLayer is an AI IDE and collaboration platform that enables software engineers to accelerate development across the entire software development lifecycle using AI agents. The platform provides structured workflows, task management, and human-in-the-loop code review capabilities for teams building complex software systems.
3 investors
Hypercubic provides AI software for mainframe modernization, helping enterprises and governments rebuild and secure their critical infrastructure systems.
3 investors
imgix is a platform for managing, processing, optimizing, rendering, and delivering images and videos through APIs, SDKs, user interfaces, and integrations. It serves developers and content teams that need to size, format, and distribute visual media across devices and regions.
3 investors
A design systems firm that integrates with teams to support design collaboration and establish scalable design standards.
3 investors
Incredible is an AI-powered mobile app that helps users manage credit card debt and reduce interest fees by automating financial administration without requiring loans.
3 investors
Infield provides software to automate the management and upgrading of open source packages within applications, helping development teams reduce security vulnerabilities and dependency risks.
3 investors
Infinite provides APIs and SDKs for businesses to integrate stablecoin payment capabilities, enabling fast, low-cost global settlement without cryptocurrency complexity. The platform targets businesses and developers seeking instant, affordable international payments.
3 investors
Innate builds personal AI robots designed to be customizable and programmable by users of all skill levels, combining robotics and artificial intelligence for general-purpose physical tasks. The company aims to democratize robot development so that individuals can create and tailor intelligent machines for various purposes.
3 investors
Instant provides a domain search and availability tool that checks domain names and displays available extensions in real-time. The product is designed for developers, designers, and modern teams building businesses.
3 investors
Integry provides infrastructure for software developers to build data integrations between applications, emphasizing reliability and ease of use through built-in best practices.
3 investors
Interhuman offers Inter-1, a multimodal AI model that detects 12 social signals from a single video stream by analyzing voice, face, and body language together in temporal alignment. It provides developers with detected signals, evidence-grounded rationales, and confidence scores via structured JSON for building applications such as AI roleplay, communication training, and coaching tools.
3 investors
Inverted AI develops cloud APIs for autonomous vehicle and ADAS development, offering simulation tools that generate realistic, reactive scenarios for testing and validation.
3 investors
IO River is a Multi-Edge orchestration platform that connects to a customer's existing CDNs and edge providers, importing their rules, cache, and policies to manage delivery, routing, and configuration from a single control layer. It optimizes traffic across 15+ CDNs for performance, cost, and availability without sitting in the delivery path, serving enterprises in sectors such as AdTech, OTT, streaming, gaming, and retail.
3 investors





















