Fundraising Fox

Developer Tools Startups

4,617 companies tagged Developer Tools, with their investors and founders.

Effx

effx built a platform to help engineering teams collaborate and work more productively, with a focus on microservices architectures. The company has since joined Figma's engineering team.

2 investors

Elementary

Elementary builds data observability tools that monitor data quality and reliability for modern data teams. The platform evolved from an open-source solution into a cloud-based product that integrates with existing data warehouses and BI tools.

2 investors

Elementl

Dagster is an AI-native DataOps platform that orchestrates, observes, and activates data across enterprise data stacks. It provides asset-centric pipeline management with built-in lineage tracking, data quality signals, and observability for engineering teams and AI agents.

2 investors

Elevio

Elev.io provides embedded customer support and onboarding tools that help companies reduce customer effort through in-app assistants, knowledge bases, and guided user experiences.

2 investors

Eligible

Eligible provides APIs that healthcare businesses use to manage insurance billing and claims processing. The platform serves both early-stage healthcare startups and established healthcare organizations.

2 investors

Ellipsis

Ellipsis builds AI agents that handle repetitive engineering tasks like code review, production debugging, and standup reports, letting teams focus on higher-value work. The platform serves software engineering teams and integrates with their existing tools.

2 investors

Ember Robotics

Ember Robotics provides monitoring and diagnostics software for robots and IoT devices, enabling hardware teams to detect issues early and minimize system failures during development and deployment.

2 investors

Emerge Tools

Emerge Tools provides mobile performance and competitor analysis tools for iOS and Android development teams, enabling measurement of app size, performance regressions, and competitive benchmarking without requiring source code access.

2 investors

Emphere

Emphere provides hardened, minimal container images with mapped supply chains, verifying every release and dependency to eliminate fixable CVEs before images reach a customer's registry. It targets engineering and security teams managing container fleets, offering signed (Cosign) images, SBOMs, and SLSA provenance.

2 investors

EndForm

Endform runs Playwright end-to-end test suites in the cloud, executing each test in parallel on its own isolated machine by switching a single CLI command against an existing Playwright config. It targets development and QA teams, offering faster CI runs, historical test-health tracking, flakiness detection, and a Vercel integration.

2 investors

Endla

Endla develops engineering design tools that optimize performance and efficiency, with a focus on coal seam gas applications. The company builds AlphaSpace, an autodesign tool for coal seam gas companies using open hole slotted liner completions.

2 investors

Engagespark

engageSPARK offers a self-service communication platform that lets NGOs, researchers, and businesses reach and survey people via SMS, voice/IVR, WhatsApp, chatbots, and airtime top-ups, including those with basic phones. It focuses on low- and middle-income countries for use cases such as public health surveys, behavior change campaigns, MEAL data collection, and grievance hotlines.</parameter> <parameter name="sector_codes">["saas", "impact", "digital_health"]

2 investors

Enode

Enode provides APIs that connect and optimize distributed energy devices such as EVs, chargers, home batteries, solar panels and heat pumps, giving energy companies a single integration to build energy and flexibility products. Its customers range from electricity suppliers and utilities to climate tech startups working on the renewable energy transition.

2 investors

Enso

Enso Security (presented on the page as Snyk's AI Security Platform) provides an independent security layer that validates AI-generated code, governs development agents, and secures AI-native applications. It targets engineering and security teams building with AI, integrating into IDEs, CI/CD pipelines, and AI coding assistants such as Claude Code, Cursor, and Codex.

2 investors

Enso

Enso provides a development platform for building blockchain applications, offering pre-built Actions and Shortcuts that abstract smart contract interactions to eliminate manual integration work. The platform serves blockchain developers and enables rapid deployment of onchain applications across multiple protocols and chains.

2 investors

Entangl

Entangl provides AI-powered operational management software for data centers and critical infrastructure, helping teams prevent outages. The platform serves data center operators managing compute infrastructure that powers global financial markets and AI workloads.

2 investors

Envio

Envio provides blockchain data infrastructure for developers, including HyperSync (a high-speed on-chain data retrieval layer), HyperIndex (a multichain indexer that turns smart contract events into a queryable GraphQL API), and HyperRPC. Its tools serve Web3 developers building on EVM chains, Solana, and Fuel, with a managed cloud offering and self-hosting options.

2 investors

EnvKey

EnvKey provides encrypted storage for application secrets and configuration data like API keys and database credentials, with a user interface for controlling access levels and integrating into development environments.

2 investors

Enya / Boba Network

Enya Labs builds hybrid blockchain infrastructure, including its HybridCompute technology that connects off-chain Web2 data and APIs with Web3 protocols, smart contracts, and decentralized applications. It develops Boba Network, a multichain Layer-2 optimistic rollup, to help startups and businesses scale Web3 solutions across use cases like DeFi, NFT, and GameFi.

2 investors

Equixly

Equixly runs a continuous penetration testing platform that uses an autonomous "Agentic AI Hacker" to discover, attack, and validate applications and APIs in production, uncovering business logic flaws, authorization failures, and multi-step exploit chains. It serves security and compliance teams working with cloud-native and API-first architectures, and maps findings to frameworks such as OWASP, PCI DSS, ISO 27001, DORA, and NIS2.

2 investors

Escher Reality

Escher Reality provides an API platform that handles backend infrastructure and services for augmented reality applications.

2 investors

Essential

Essential AI builds an open platform for AI research and development, providing open models, tooling, and evaluation frameworks designed for global collaboration. The company focuses on advancing frontier AI capabilities in areas including long-context language models, software engineering, and optimizations for next-generation hardware.

2 investors

Estuary

Estuary provides a real-time data platform that helps companies harness and stream their data. The platform serves engineering, product, and customer-facing teams building data-driven applications.

2 investors

Eth

eth.limo is a public-good gateway that lets anyone access websites and dApps built on the Ethereum Name Service (ENS) by appending ".limo" to an ENS domain in a normal browser, with no software or setup required. It provides no-code hosting and access for decentralized web content stored on protocols like IPFS, serving ENS users and dApp developers.

2 investors

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