Companies funded by a16z

CX

Convex

The backend for app developers.

UP

Upstash

Serverless Redis & Kafka for modern applications

ZD

Zed

A high-performance, multiplayer code editor

AQ

AfterQuery

We teach machines how experts think

LT

Letta

Memory-first infrastructure for AI agents

CH

Chroma

Open source AI-native embedding database

LK

LiveKit

Open source WebRTC and real-time AI infrastructure

AY

Anyscale

Scale Python and AI applications on any infrastructure

GB

Grafbase

GraphQL platform with edge caching and federation

PC

Pocus

Product-led sales platform for SaaS teams

MD

Medallion

Healthcare provider credentialing and enrollment

MX

Mux

Video infrastructure API for developers

CD

Conductor

Run a team of AI coding agents on your Mac

CH

Candid Health

AI medical billing that gets your claims paid faster

MM

Mattermost

Open source Slack alternative for developers