Developer Tools Startups

EOS Network is a blockchain platform for Web3 applications, offering EVM compatibility so Ethereum-based apps can run with EOS's performance. It supports a community-governed ecosystem of decentralized applications, integrations, and wallets for developers and creators.

1 investor

Epoch is a Web3 developer infrastructure protocol that abstracts cross-chain execution—handling swaps, bridges, and protocol integrations behind a single user signature. It provides a modular SDK and APIs so developers can integrate multi-chain functionality without manual per-network work or vendor lock-in.

1 investor

Equivalents SVG reduces file sizes at scale to lower internet energy consumption and improve digital content accessibility and sustainability. The company serves web developers and content creators seeking to optimize performance and environmental impact.

1 investor

Eraser is an AI tool that generates layout-ready technical diagrams from text prompts, code, Terraform, or design documents. It targets software architecture and process teams.

1 investor

East River Source Control builds source control and code management tooling focused on code review and tracking how a codebase evolves, positioning source control as infrastructure for developers.

1 investor

Essential Plugin offers a bundle of 35+ plugins for website builders (including WordPress-style page builders), providing SEO tools, marketing popups, security, backup, and migration features. It targets developers and agencies who build and manage websites for clients, offering white-label customization and unlimited licensing.

1 investor

Estio provides IT and digital apprenticeships and training programmes designed to develop tech professionals and help employers build digital capabilities. The company specializes in industry-aligned practical training that addresses digital skills gaps across the UK.

1 investor

Ethereum Comments Protocol (ECP) provides an SDK and embeddable components for developers to add onchain comments to their applications, storing comments on Ethereum where they are cryptographically signed and accessible to other apps and smart contracts. It targets developers building onchain social infrastructure, with gas-optimized posting on L2s such as Base.

1 investor

ETHGlobal organizes hackathons and events for Ethereum developers and entrepreneurs, aiming to build a community and ecosystem around Ethereum. It provides opportunities for developers to learn skills and work with blockchain technologies.

1 investor

Everscale is a proof-of-stake blockchain network offering asynchronous Solidity smart contracts, low transaction fees, and developer tooling for building decentralized Web3 applications ranging from games to industrial use cases. It provides infrastructure for developers, validators, and users, including cross-chain interoperability between TVM and EVM networks.

1 investor

OpenSEO is an open-source, self-hostable SEO platform that connects to AI agents via MCP to deliver keyword research, competitor analysis, backlink inspection, rank tracking, technical site audits, and AI-search visibility using DataForSEO data. It targets entrepreneurs and businesses looking to grow organic search traffic.

1 investor

Evidi develops industry solutions for Microsoft Dynamics 365 Business Central, as well as related apps and services that help businesses optimize operations across projects, production, procurement, and inventory. The company also provides managed services and implementation support for Microsoft's ERP, CRM, data analytics, and automation platforms.

1 investor

Evo.Do develops automated testing software that performs quality assurance tasks for game developers.

1 investor

Exaloop develops Codon, a compiler framework that turns Python code into native machine code for 10-100x performance gains, with support for multithreading and GPU acceleration. It offers enterprise licenses with support and services plus Exaloop Cloud, a managed hosted environment for running Codon, aimed at developers and organizations that write scalable Python code.

1 investor

A team building internet infrastructure products for developers. The company is based in the Bay Area.

1 investor

Expand (Expand Technology Holding Ltd) provides custom software development, e-payment system integration, and flexible recruitment and outsourcing services for businesses across industries including events, e-commerce, and financial services. Founded in Mauritius in 1998, it operates in over 30 countries and offers products such as the TribEvent event and hospitality management platform.

1 investor

Exedee is a business automation company that provides cloud-based software solutions to help organizations automate and digitize their document and information processing workflows. The company serves enterprises and government organizations seeking to reduce operational inefficiencies and costs associated with manual document handling.

1 investor

Exia Labs develops simulation and orchestration tools for robotics. The company builds software infrastructure for robotics development.

1 investor

Explosion builds developer tools and libraries for natural language processing, including the open-source spaCy library and the Prodigy annotation tool, along with new products for agentic and modular NLP development. Its offerings serve developers and enterprises building custom information extraction and document understanding pipelines that run in-house.

1 investor

EZOFIS provides digital transformation and workflow optimization software powered by artificial intelligence and machine learning for business process improvement.

1 investor

Ezzayo provides a no-code, agent-based simulation tool for modeling token-based ecosystems and user behaviors, letting designers test incentive and ecosystem parameters before writing code. It helps users stress-test and calibrate tokenomics assumptions across different configurations and simulated user types.

1 investor

F4 is a platform for analyzing, validating, and visualizing GD&T (geometric dimensioning and tolerancing) in engineering drawings. It serves industrial teams including manufacturers, aerospace, and defense organizations by automating the interpretation of design files from CAD platforms and generating compliance reports.

1 investor

Fabric builds onchain protocols and tools for decentralized capital coordination, including crowdfunding, creator subscriptions, and DEX aggregation services. The company serves users and creators seeking permissionless financial infrastructure on blockchain networks.

1 investor

Fabrix.ai offers an observability and governance platform for AI agents that provides enterprise-wide tracing, cost tracking, and explainability across all AI interactions. The platform enables organizations to monitor agent performance, compare models, and maintain control over AI operations at scale.

1 investor