// Toolchain
The stack we build on.
The languages, frameworks, data, cloud and AI we ship with in production — plus the testing, design and delivery tools we work in. Grouped by domain.
tools we work with
59
domains covered
11
Languages06
- Go
- TypeScript
- Python
- Rust
- PHP
- Swift
Frontend & mobile06
- React/Next
- Svelte
- Vue
- React Native
- Flutter
- Tailwind
Backend05
- Node.js
- NestJS
- Fastify
- Express
- Gin
Data05
- Postgres
- pgvector
- MongoDB
- Redis
- MySQL
Cloud & DevOps06
- Docker
- Kubernetes
- AWS
- GCP
- Terraform
- GitHub Actions
Queues & streaming04
- RabbitMQ
- Kafka
- NATS
- River
Realtime & desktop05
- WebRTC
- Socket.IO
- LiveKit
- Tauri
- Electron
AI08
- OpenAI
- Anthropic
- Gemini
- Kimi
- LangChain
- LangGraph
- LlamaIndex
- Ollama
Testing04
- Playwright
- Vitest
- Cypress
- k6
Design05
- Figma
- Photoshop
- Illustrator
- Framer
- Spline
Workflow05
- Linear
- Jira
- Notion
- Slack
- Miro
// Let's build
Building on a stack like this?
Tell us what you're shipping — we build in your repo and your conventions, not ours.