Developer Tools Startups
4,617 companies tagged Developer Tools, with their investors and founders.
Highflame provides a runtime enforcement layer for AI agents, where security teams approve policy once and controls are automatically enforced across projects. It targets engineering and security teams that need to deploy agents while maintaining governance and compliance controls.
2 investors
Hopae provides identity infrastructure for enterprises, offering a single compliant API to connect to 65+ government electronic ID systems and trusted credentials, plus an accredited, eIDAS 2.0-compliant wallet SDK. It serves businesses across industries such as financial services, gambling, mobility, and hospitality for identity verification.
2 investors
Hopted offers an automated data movement platform for Google Sheets, syncing live data between work apps and spreadsheets through import automations and writebacks. It serves spreadsheet users who need to keep data in sync for reporting, dashboards, and tracking.
2 investors
Horizon provides developer building blocks for blockchain applications, including smart crypto wallets, 1-click cross-chain payments in any token, and real-time multi-chain data indexing. It serves developers and ecosystems building web3 apps across EVM chains.
2 investors
Hoss provides a platform for API companies to manage documentation, monitor API usage, and offer customizable developer dashboards to their customers.
2 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.
2 investors
Human Behavior uses AI to analyze session recordings and automatically identify user friction points, bugs, and interaction patterns in product interfaces. It provides automated insights, generates fixes via coding agents, and integrates with development tools to help product teams improve user experience without manual review.
2 investors
HumanFirst provides an infrastructure layer that sits between foundation models and end-user applications, letting organizations turn their data, instructions, and expertise into governed, reusable AI behaviors that can be versioned, tested, and deployed across products and teams. It serves product teams, professional services teams, and enterprise power-users building and managing AI capabilities.
2 investors
Hummingbot is an open-source framework for algorithmic trading and market making across centralized and decentralized crypto exchanges, offering a trading client, blockchain gateway middleware, an API server, and monitoring tools. It serves individual algo traders, prop traders, and institutional market makers, and is maintained by the Hummingbot Foundation with a global developer and trader community.</parameter> <parameter name="founders">[]
2 investors
HydraDB is a graph database built on object storage that provides a context layer for AI agents and applications, combining graph structures with relational semantics for high-recall memory and knowledge management.
2 investors
A platform that provides browser infrastructure for AI agents, including CAPTCHA solving, proxy management, and anti-bot evasion capabilities. Developers use the service to run AI agents for large-scale data collection, testing, and web automation tasks.
2 investors
HyperDX provides distributed tracing and observability software for developers, enabling end-to-end request tracing from browsers and phones to backend servers. The platform uses ClickHouse for fast search across event data and includes features for session replay correlation, log aggregation, and metrics visualization.
2 investors
Hypereal offers a single API that lets developers call multiple third-party AI video and image generation models (such as Seedance, Kling, Veo, GPT Image 2, and FLUX) through one endpoint with a consistent request format, async jobs, and webhooks. It targets developers and teams building applications that use generative video and image models.
2 investors
iftrue is an engineering analytics platform that unifies AI code attribution (across tools like Copilot, Cursor, and Claude), DORA delivery metrics, and team health signals into a single view for engineering leaders. It integrates with existing developer tools and surfaces insights in Slack to help measure AI impact, delivery performance, and developer burnout risk.
2 investors
Illoca builds Tracing Paper, a design tool that enables architects and designers to sketch, markup, and iterate on designs through a more natural workflow rather than rigid command-based interfaces. The platform is aimed at design professionals who need to express intent directly and reduce production overhead in their creative process.
2 investors
Imandra builds CodeLogician, a neurosymbolic AI tool that translates source code into formal mathematical models to prove code properties, find bugs, and generate test cases. It integrates with AI coding assistants and targets software developers and regulated industries such as finance through its Imandra Universe reasoning ecosystem.
2 investors
Imbue builds an open agent ecosystem that lets users understand, modify, and verify AI agents so they operate in the user's interest rather than a platform's. Founded in 2021, the company develops AI systems aimed at keeping humans in control, and offers space to small teams building user-loyal software.
2 investors
Imgix provides image optimization and processing technology that enables customers to deliver, transform, and optimize visual content across digital platforms. The platform serves marketers, developers, and content creators with tools for image optimization, AI-powered editing, and visual content delivery.
2 investors
Import2 is a self-service data migration tool that moves records, fields, and relationships between business applications, including a free sample migration to preview results before paying. It supports customizable object selection, field mapping, and record filtering for teams switching software without CSV files or technical setup.
2 investors
Boundo is an AI-powered sales automation platform that generates leads and manages outreach across LinkedIn and email for enterprise sales teams. It uses AI personalization, lead tracking, and CRM integrations to support the sales development process 24/7.
2 investors
Infino is an open-source retrieval engine that embeds full-text (BM25) search, vector embeddings, and SQL directly inside standard Apache Parquet files on object storage such as S3, GCS, or Azure Blob. It targets developers building retrieval-augmented AI agents and data teams who want search and vector queries running natively against their warehouse data without a separate search cluster or vector database.
2 investors
Infisical is an all-in-one platform for managing application secrets, certificates, and privileged access across cloud, on-premises, and AI infrastructure, serving developer teams and organizations. The platform provides centralized storage, rotation, and auditing of credentials without requiring custom scripts or ad-hoc secret management solutions.
2 investors
Ink & Switch is an independent research lab exploring software architecture, local-first collaboration, and dynamic tools for creative work, with a focus on returning data ownership to users. Its research has produced actively used tools such as Patchwork, PlayBook, and Automerge, a library for building collaborative, offline-capable applications using CRDTs.
2 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.
2 investors















