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Top YC Companies Software Development Stacks

March 28, 2024•10 min read

Key trends:

AI-first architectures

AI capabilities are central to product design

OpenAI
OpenAI
Hugging Face
Hugging Face
PyTorch
PyTorch

Hybrid cloud-local deployment

Models addressing privacy and latency concerns

AWS
AWS
Google Cloud
Google Cloud
Docker
Docker

Developer experience focus

Custom SDKs and testing frameworks

GitHub
GitHub
Vercel
Vercel
Docker
Docker

No-code/low-code interfaces

Democratization of AI through accessible interfaces

TypeScript
Next.js
Next.js
React
React

Specialized infrastructure

Optimized for AI workloads

Kubernetes
Kubernetes
AWS
AWS
Docker
Docker

Airbnb

YC W09

A global platform for unique accommodations and experiences, revolutionizing the travel and hospitality industry through its peer-to-peer marketplace.

frontend

JavaScript
React
React
React Sketch.app

backend

Java
Ruby
Ruby on Rails

database

MySQL
Redis

cloud

AWS S3
AWS EC2
AWS RDS
AWS CloudFront
AWS Route 53

devops

GitHub
GitHub
Webpack
New Relic
New Relic
Kibana
Sentry
Sentry
Datadog
Datadog

api

GraphQL
Apollo
Hadoop
Airflow

Standouts

Apache MesosSmartStackGraphQL PlaygroundReact Storybook

Key Differentiators

Uses GraphQL Unions for Backend-Driven UI, successfully transitioned from monolith to microservices architecture, and heavily leverages AWS cloud services.

Trending Tools for Software Developers

Development Tools

Code Editors/IDEs

Visual Studio Code
Visual Studio Code
Windsurf
Windsurf
Void Editor
Void Editor
Cursor
Cursor

Version Control

GitHub
GitHub
Bitbucket
Bitbucket
GitLab
GitLab

Project Management

Linear
Linear
Notion
Notion
Jira
Jira
Asana
Asana
Click up
Click up

Communication

Slack
Slack
Discord
Discord

AI Development

Model Providers

OpenAI
OpenAI
Anthropic
Cohere
Cohere
Mistral AI
Mistral AI
Perplexity AI
Perplexity AI

Training Infrastructure

AWS
AWS
Google Cloud
Google Cloud

Evaluation Frameworks

Weights & Biases
Weights & Biases

Infrastructure Management

IaC

TerraformAWS CDK

Monitoring

Datadog
Datadog
New Relic
New Relic
Postman
Postman
Hoppscotch
Hoppscotch

Logging

ELK StackCloudWatch

Security

GitHub Actions
Snyk
Snyk

Product & Analytics

Product Analytics

Amplitude
Amplitude
PostHog
PostHog
Mixpanel
Mixpanel

Customer Engagement

Intercom
Intercom
Customer.io
Customer.io

A/B Testing

LaunchDarkly
LaunchDarkly
Split
Split