Developer Tools Startups

Abstraction Capital is an early-stage (preseed/seed) venture capital firm that backs technical founders building developer tools and infrastructure. It invests in companies creating software that makes developers more effective.

3 investors

Adaline provides a platform that helps AI teams improve and monitor their agents in production by ingesting traces, automatically generating evaluations, and creating synthetic test data to catch regressions before deployment.

3 investors

Adapty provides infrastructure and analytics for mobile apps that sell in-app subscriptions. Its tools let developers and marketing teams update paywalls without shipping a new app version, deliver discount offers through push notifications, and monitor subscription events and revenue metrics.

3 investors

Affogato is an all-in-one AI studio for generating, editing, and upscaling images and video with 170+ models integrated into a single workspace. It serves creators and marketers in fashion, product photography, and advertising who need consistent character and brand representation across multiple formats and shots.

3 investors

Agenta is an open-source platform for AI teams to experiment with prompts and models, evaluate their performance, and collaborate on debugging and optimization. It provides version control, tracing, automated evaluation, and monitoring tools for large language model applications.

3 investors

Agora provides APIs and a real-time engagement platform that enables developers to embed voice, video, interactive streaming, chat, and AI capabilities into their applications. The platform handles real-time data transmission across 200+ countries using its Software-Defined Real-Time Network.

3 investors

Aion builds and deploys machine learning models, agents, and engineering teams that help organizations move from experimentation to production. The company works directly embedded within client teams to solve custom AI problems across data integration, workflows, and operations at enterprise scale.

3 investors

Airchains provides a modular zk-Rollup SDK and ZK Stack that lets developers, enterprises, and institutions build and run their own blockchain networks with configurable execution layers (EVM, Cosmos/Cosmwasm, Solana) and data availability layers (Avail, EigenDA, Celestia). The platform targets Web3 developers building dApps and NFTs with a focus on scalability, security, and low gas fees.

3 investors

Aixplain provides an enterprise platform for deploying adaptive agentic AI systems that organizations can understand, trust, and fully control. The platform serves global enterprises, governments, and users across multiple languages and infrastructure environments.

3 investors

Aklivity builds Zilla, a stateless, declarative, multi-protocol event-driven proxy that connects clients to Apache Kafka and other Kafka-compatible brokers using protocols like HTTP, SSE, MQTT, and gRPC. It targets engineering teams building real-time, event-driven applications, handling protocol translation, schema validation, idempotency, and edge-level data governance.

3 investors

Akon Labs builds GitNexus, a code-intelligence tool that parses codebases with Tree-sitter to construct a precomputed knowledge graph of resolved imports, call chains, and type relationships, enabling AI coding agents to query execution flows and impact across single and multiple repositories. It targets developers and AI agents that need process-level context and cross-repo blast-radius analysis instead of file-by-file searching.

3 investors

Alphaus is a cloud financial management platform that helps service partners and businesses monitor, control, and optimize their cloud spending and resource allocation to improve return on investment.

3 investors

Altitude AI is an AI platform that helps system integrators save time on industrial documentation, engineering drawings, PLC code, and troubleshooting. The platform analyzes, generates, and validates control documents, electrical/mechanical drawings, and programmable logic controller code for complex manufacturing and industrial automation projects.

3 investors

Anchor Browser provides tools that connect AI agents to web applications for browser-based automation. The platform targets enterprise teams seeking to reduce costs and scale workflow automation through secure, reliable browser automation.

3 investors

Andromeda is a multi-chain blockchain protocol designed to provide creators and developers with flexible tools for building applications across multiple blockchain networks. The platform emphasizes modularity and agility to support rapid development and market entry.

3 investors

Create Anything is an AI-powered platform that generates mobile apps, websites, tools, and products from text prompts, producing working code. It supports GPT-5 and more than 40 integrations.

3 investors

AnythingLLM is a desktop and self-hosted application that enables users to chat with documents, use AI agents, and interact with large language models—all running locally and offline for privacy. It supports multiple LLM providers and document types without requiring code, offering an open-source alternative to cloud-based AI tools.

3 investors

Apiiro provides application security tools for agentic AI development, including API security, secrets management, supply chain security, and code scanning capabilities built on an AppSec Data Fabric platform.

3 investors

api.video is a developer platform that provides video encoding, hosting, delivery, and analytics capabilities through an API, enabling developers to integrate video functionality into websites and applications.

3 investors

AppFactor offers an agentic platform that discovers where applications are running, analyzes application portfolios, dependencies, and infrastructure for vulnerabilities and misconfigurations, and generates containers and deployment artifacts for cloud-native, hybrid, and multi-cloud environments. It targets enterprises modernizing and maintaining legacy and modern software with zero-drift deployments.

3 investors

AppJet is an online programming tool for building simple web applications, letting developers write JavaScript on both the server and client side through a web-based text editor. It provides bundled code libraries for databases and the Facebook API, along with its own application virtualization system for hosting user apps.

3 investors

Applause is a curated mobile app marketplace that discovers and promotes high-quality applications built with ethical design and user respect. The platform serves app users seeking trustworthy software and indie developers looking to reach audiences without manipulation or hidden fees.

3 investors

Apportable provides a toolchain that cross-compiles Objective-C iOS apps to Android, letting developers deploy to Android stores from their existing Objective-C or C++ code without maintaining a separate Java codebase. It is used primarily by iOS game developers.

3 investors

Appstack provides mobile attribution and signal engineering for app marketers running paid user acquisition campaigns. The platform measures ad performance, enriches event data, personalizes user onboarding based on ad source, and enables revenue-share deep linking for creator partnerships.

3 investors