Developer Tools Startups

Synth provides tools for applied AI research and development, enabling developers to build prototypes, run evaluations, and optimize AI software both locally and on cloud infrastructure. The platform combines open-source components with managed cloud services.

1 investor

Synthetic Sciences develops foundation models trained on research process data to enable autonomous scientific work, combining data capture infrastructure with model training to create AI systems with scientific judgment.

1 investor

Synty provides a subscription library of game assets including 3D models, characters, animations, and UI components for game developers using Unity and Unreal engines.

1 investor

Systellar provides a design platform called synapse that enables model-based systems engineering for complex physical systems, offering unified workspace for design, requirements management, documentation, and workflow automation with version control and traceability capabilities.

1 investor

SYZYGY is a consulting and implementation partner specializing in digital experience services and transformation for enterprise clients across automotive, telecommunications, consumer goods, and financial sectors. The company operates a network of over 500 specialists across strategy, design, technology, and digital marketing, with offices in Germany, UK, US, and Poland.

1 investor

t1 is a cross-chain liquidity and interoperability protocol that uses trusted execution environments (TEEs) and real-time proving to enable composable applications across the EVM/Ethereum ecosystem. It provides developers with cross-chain composability, permissionless interop, and products such as an RTP bridge for faster, cheaper bridging.

1 investor

T3 Chat builds AI chat software; the company also develops tools for file uploads, image editing, and live collaboration across developer and creator workflows.

1 investor

Tableland is an open-source, decentralized cloud database built on SQLite that enables applications, data pipelines, and smart contracts to read and write tamper-proof data across EVM blockchains. It provides ACID-compliant relational database functionality with wallet and contract-based access control.

1 investor

Tacta provides custom-built technology solutions to address complex business challenges for enterprise clients. The company serves organizations across sectors including insurance, construction, and digital transformation.

1 investor

Tacton provides Configure-Price-Quote (CPQ) software with enterprise-grade information security and compliance management. The company maintains ISO/IEC 27001 and SOC 2 Type II certifications to help customers scale their operations securely.

1 investor

TactoTek provides design tools, reference designs, and technical resources for In-Mold Structural Electronics (IMSE) manufacturing, serving designers, engineering firms, and manufacturers across the product development lifecycle. The company offers digital tools, feature libraries, and knowledge bases to support the design and production of IMSE parts from concept to mass production.

1 investor

Tadabase provides a data builder platform that enables users to create customized data tables, define field types, establish relational connections between tables, and perform calculations—all within a unified interface. The platform serves developers and business users who need to structure, search, and manipulate data without building from scratch.

1 investor

1 investor

TAIKAI is a hackathon management platform that lets organizations run hackathons with participant registration, team matchmaking, project submissions, judging, and event tooling, while participants can join challenges, form teams, and receive on-chain NFTs. It serves companies organizing hackathons as well as developers competing in them.

1 investor

Talc extracts structured event and data records from electronic health records for hospital systems.

1 investor

Talent Groups is a recruitment firm that staffs projects and places job candidates while supporting charitable causes through donations and volunteer efforts.

1 investor

TalkiTo is an open-source library that adds voice and remote communication features to applications using configurable ASR and TTS providers. It enables natural language voice control across desktop applications, websites, and Python scripts.

1 investor

Totem is an offline-first knowledge base and collaboration app for tasks, documents, and AI agents, offering nested tagging, real-time sync, and role-based access control. It targets teams and individuals across Mac, Windows, iOS, and Web, positioning itself as a lightweight alternative to tools like Notion, Confluence, and Google Docs.

1 investor

Tangle provides infrastructure for testing and evaluating AI agents by running them in isolated sandboxes, recording execution traces, and comparing performance across multiple runs. The platform serves developers building coding agents and long-running workflows.

1 investor

Tangram is a no-code/low-code marketplace software platform that delivers a functional marketplace MVP with built-in features like user logins, payments, scheduling, and verification, using AI-generated solutions with human review. It targets founders and businesses wanting to launch multi-vendor marketplaces quickly and affordably instead of building custom software.

1 investor

Tangram is a design collaboration platform that combines human design work with AI agents for the built environment, offering visibility into every step of the design process.

1 investor

TAP is a Bitcoin programmability layer that provides a token standard, 1-TX transfers, Layer 1 AMMs, and developer tooling for building decentralized applications directly on Bitcoin while keeping users in self-custody. It uses "Tapping" and L1 co-processing to enable smart-contract-like logic on Bitcoin, and offers products including the TAP Wallet, LaunchBot, RooX DEX/bridges, and the Tapalytics data explorer.

1 investor

Tapestry is a developer tool that provides unified APIs to multiple blockchain social networks including Solana, Farcaster, Lens, and Bluesky, enabling developers to build social features into applications quickly. The platform is designed for both emerging and established apps seeking to integrate social functionality and leverage onchain data.

1 investor

Tapglue provides a social layer and news feed solution that developers can integrate into mobile and web applications to enable user profiles, friend connections, and community engagement features.

1 investor