Developer Tools Startups
4,618 companies tagged Developer Tools, with their investors and founders.
HyperWrite is an AI writing assistant available as a Chrome extension that provides autocomplete, web search, and citation capabilities to help users write, edit, and refine text. It serves writers, academics, and professionals seeking AI-powered assistance with content creation and research.
3 investors
Outspeed provides realtime voice infrastructure that developers can add to their apps to give AI companions human-sounding, emotion-aware, multilingual speech. The company offers scalable voice capabilities aimed at builders integrating conversational AI.
3 investors
Paper is a design platform with a canvas built on web standards (HTML/CSS) that connects designers' visual work with codebases, AI agents, apps, and data via MCP, syncing design tokens, styles, and components between code and canvas. It targets design and product teams working alongside AI coding agents.
3 investors
ParadeDB is a Postgres extension that adds full-text search, vector retrieval, and aggregation capabilities to PostgreSQL databases. It enables developers to consolidate search and analytics workloads into a single database using standard SQL without requiring a separate search engine.
3 investors
Parallelz is building a computing architecture and platform that converts existing native mobile apps into native-web apps without code modifications or SDKs, allowing them to run in a browser without installs or app stores. It targets mobile app developers, including in mobile gaming, in the app distribution and discovery space.
3 investors
ParaState builds a high-performance on-chain runtime (based on the WasmEdge WebAssembly VM) that gives Ethereum-compatible smart contracts EVM and EWASM support, letting developers write contracts in languages like Rust, C++, and Golang and bridge Ethereum with Polkadot and other chains. It targets dApp developers in DeFi, gaming, and NFTs and operates as a DAO governed by its STATE token.
3 investors
Parity builds technical infrastructure that helps enterprises and startups adopt Web3, with a focus on the Polkadot ecosystem. It provides blockchain tooling that lets developers deploy testnets and build decentralized applications with native security and scalability.
3 investors
Patchstack is a security platform that helps make open-source software safer. The company serves developers and organizations using open-source projects.
3 investors
PayEngine provides payments middleware and orchestration that lets businesses consolidate multiple processors and gateways, manage merchant onboarding, tokenize and vault card data, and offer features like Tap-to-Pay on iPhone. It targets platforms and software companies looking to monetize and control their payments infrastructure through drop-in widgets, low-code tools, or a full API.
3 investors
Payload is an open-source Next.js backend platform serving developers and marketers who need flexibility beyond traditional content management systems. The platform provides infrastructure for building custom content and data management solutions without vendor lock-in.
3 investors
PerfectScale provides an autonomous Kubernetes optimization platform that right-sizes workloads, tunes autoscaling, and maximizes node capacity to reduce cloud costs and prevent misconfigurations that affect reliability. It is aimed at DevOps, SRE, and platform engineering teams, aligning them with development and FinOps functions.
3 investors
Periphery develops embedded security technology to protect cyber-physical systems in critical infrastructure from sophisticated threats. The company uses intelligence-led models and centralized AI to enable faster threat detection and identification across distributed edge devices.
3 investors
Phonic develops voice AI technology designed to enable natural and reliable human-machine conversations through speech interaction.
3 investors
Pierre Computer Company develops developer tools including code storage, diff rendering, and code visualization software.
3 investors
Pimlico provides a gas sponsorship engine for blockchain applications that enables developers to abstract away gas fees from users. The platform allows apps to sponsor transactions, accept stablecoin payments for gas, or enforce custom policy rules, letting users transact on 100+ chains without needing native tokens or understanding gas costs.
3 investors
PingCAP develops TiDB, a cloud-native distributed SQL database built for scalability, strong consistency, and high availability. This solution page targets fintech companies that need reliable data infrastructure for real-time insights and consistent transaction processing at global scale.
3 investors
Pixee automates the remediation of software vulnerabilities detected by security scanners, enabling enterprises to resolve security issues at scale rather than manually triaging them. The platform uses AI to fix vulnerabilities in generated code, targeting development and security teams that need to accelerate security resolution without slowing development workflows.
3 investors
PixieBrix is a browser extension platform for customizing web applications and building automations and AI-assisted workflows on top of existing web apps. It supports integration with RPA tools and is used to reduce manual work across web-based tasks.
3 investors
Plakar is an open-source backup and recovery engine that deduplicates, compresses, and encrypts snapshots at the source before writing them to storage the user controls (S3-compatible, local, or filesystem). It targets security and infrastructure teams (SREs, sysadmins, platform engineers) with a self-hosted Control Plane and a Kubernetes operator for defining backup policies as code across sources like databases, VMs, Kubernetes, and containers.</parameter> <parameter name="founders">[{"full_name": "Gilles Chehade"}]
3 investors
Platformr provides a CloudOps platform for AWS environments, offering organizational governance, workload deployment, and observability tools to centralize and manage cloud operations. It targets enterprises migrating to or scaling on AWS, helping them address cost, security, compliance, and reliability.
3 investors
PlayCanvas is a cloud-based 3D engine and development platform that enables creation of interactive 3D applications, games, and visualizations for the web. It provides visual and code-based development workflows with support for WebGPU, 3D Gaussian Splatting, and multiple integration options including React and Web Components.
3 investors
PlayerZero builds AI agents for support engineering that coordinate work across teams by delegating questions to the right owners and consolidating answers into a single thread. It targets engineering and support teams handling technical support tickets.
3 investors
Plotly develops open-source data visualization libraries and analytics platforms—including its Plotly graphing library and Dash app framework—for analysts, engineers, and data scientists building interactive charts, dashboards, and data apps. It also offers AI-native and enterprise products for deploying and managing these apps in the cloud or self-hosted behind a firewall.
3 investors
Pluggy provides data connectivity infrastructure that aggregates investment portfolios from multiple brokerages and banks, delivering standardized asset position data, transaction history, and performance calculations to fintech applications.
3 investors