Skip to main content

Framework

SvelteKit

MIT

the application framework — routing, SSR, form actions, and API endpoints

Svelte

MIT

the UI framework and compiler behind it, with runes-based reactivity

Vite

MIT

the build tool and dev server

Data & Storage

Neon (PostgreSQL)

Hosted service

serverless PostgreSQL hosting the relational data

Neo4j Aura

Hosted service

managed graph database behind the catalog and Graph-RAG retrieval

Upstash Redis

Hosted service

serverless Redis for rate limiting, caching, and circuit breakers

Cloudflare R2

Hosted service

S3-compatible object storage for uploads and files

Auth & Anti-Abuse

ALTCHA

MIT

privacy-friendly proof-of-work captcha on public forms

Forms

i18n

Styling & UI

Lucide

ISC

the icon set, via the Iconify/UnoCSS preset

Fontsource

OFL-1.1

self-hosted variable fonts — Inter, Fraunces, and friends

Visualization & 3D

Content Pipeline

unified (remark · rehype)

MIT

the remark/rehype markdown pipeline rendering blog posts and docs

Shiki

MIT

syntax highlighting for code blocks

AI

Vercel AI SDK

Apache-2.0

streaming chat, tool calling, and embeddings behind one provider API

Google Gemini

Hosted service

model provider for chat and embeddings

Platform & Tooling

Vercel

Hosted service

hosting — serverless functions, cron jobs, and analytics

Bun

MIT

runtime for development, scripts, and tests

Podman

Apache-2.0

rootless containers that keep the host machine clean

Biome

MIT OR Apache-2.0

linting and formatting in one tool

Vitest

MIT

the test runner behind the validation gate

This page covers the headline stack. For the complete inventory — every dependency, its version, and its license — see package.json in the public repository.

Velociraptor itself is released under the MIT license.